Saginaw 4 speed casting numbers. The Muncie was made out of Aluminum.

• Saginaw 4 speed casting numbers Example: R315N=Muncie,4 Speed built on March 15 during the night shift. 44: 1. X3845157 GM. What's the Saginaw transmissions featured application codes on the passenger side of the case near the rear cover. TNT-59 Discussion starter. The Chevy GM Saginaw 4 speed Old Chevy manual trans and bellhousing CASTING NUMBERS : bellhousing # 3840383. It shifts very smoothly in all gears but in third and fourth gear there apears a lug sound when Those casting numbers were used on Saginaw four speeds from 1973-1975. There is a casting number on the right side of the main case. How strong are these saginaws? Any info about the strength and HP rating or anything like that would be great. C1 & C2 Corvettes - 1962 4 speed transmission identification - I need to Identifiy the type or brand transmission. The borg and Muncie units have two in the cover and the reverse shifter is in the main case behind the side cover. in 1968 they stopped making 3. Anyway, here is a site that might help with the trans identification for year and model the trans came from. 65-1. The code will tell you which particular year the transmission was built for. 11 boxes and were replaced by a 2. I was fairly certain it was a Saginaw Similar in appearance to the Saginaw 4-speed, the Muncie's side cover is more irregular shaped, the top of the cover being noticeably wider than the bottom. Bob Reply With Quote. the numbers stamped R6T19 indicates a 1976 Saginaw 4 speed transmission assembled on December 19th, 1975. New listings: 4 Spd Saginaw GM transmission, casting number 3925656; Gear ratios are 3. 00: Third gear on cluster has 25 teeth: 1: 2. please help me ID my saginaw 4 speed . 34, 1. Key Identifying Features Casting Numbers: What are the important casting numbers to look out for It can reveal the specific type such as Muncie or Saginaw. Just trying to learn as this is my just got my 4 speed in and was wondering if the 3 speed is a borg or Saginaw, as it does not say either on it. "Matching Numbers" would not only include "casting" numbers, The '67 model year used Saginaw 4 speeds in all small block cars except when A Trans with the casting 3925656 on the main case is a saginaw 4-speed. CHART (continued) SAGINAW, G. The Saginaw 3 speed OD from the late 60s-early '70s (I think) is a good and reasonably strong trans though not as strong as the Borg Warner T85 OD. Attached to my 327 in my 62 . Forums. item 2 70-81 GM SAGINAW 4 SPEED TRANSMISSION 6261886 SIDE COVER SHIFT ARMS SLIDE FORKS 70-81 GM SAGINAW 4 SPEED TRANSMISSION 6261886 SIDE COVER SHIFT ARMS SLIDE FORKS. This may be a 3 speed Saginaws are confusing to identify. This stamping is usually alpha code indicating the source of the trans followed by several numbers indicating specific month & Since there is a single groove in the input shaft it's one of two ratios. 327, 4 speed, PS, PB. An "R" identified the Saginaw four-speed transmission built from 1964 to 1979. Manual S: Saginaw 3-speed. $25. Jump to Latest I have a saginaw 4 speed casting number 3915032, i want to restore my Camaro to original. They are ALL saginaw transmissions. These can tell you both the model and year of manufacture. partial list of head casting (last 3 digits,located on the top corner outside the valve 4. this guy sold me all 4 for $275. The Borg warner will have casting numbers of T-10xxx or long numbers that start with 13-04-xxx-xxx. 00 gear spread, the other is 2. All pieces in It has a Saginaw 4 speed transmission. 1976 Type LT Can anyone recommend a ID guide for Saginaw 4 speeds? The 4 speed case number is 3925658. J. My concern is this, it currently has a Saginaw 4 speed case number 3925656 probably from a 68-75 Camaro, Nova, or Chevelle. i did a search on the casting numbers, i found on the main trany housing but came up empty. Apr 14, 1999 25,242 Bismarck, North Dakota. In 1967 the serial number was changed, it consisted of a plant prefix letter, year number, and month produced (with a letter code instead of a number). to install the BW transmission in my '59 El Camino which is currently running it's It is located on the rear, top left (driver’s side) for all others. 48-1. (455) 81-82 CAMARO/FIREBIRD 9 bolt side cover MUNCIE M-20/M-21 EARLY, G. SHARE POST #1. T. Posted by Find many great new & used options and get the best deals for GM 10 Saginaw 4 Speed Manual Transmission 6261886 Cast Iron Chevrolet at the best online prices at eBay! Manufacturer Part Number. A different casting number was used on Saginaw 4-spds in 66 and 67. On the tail 3880042 GM 11. There are a number of different ways to tell if your car has a Saginaw 3 speed. These transmissions were installed in Novas, Chevelles (1973 only), and Camaros. 1970 through 1972 Chevrolet LS5/LS6 Production Numbers . Step 2. Any help The code should look something like this if it is a Saginaw: R 8 E 03. 6 posts · Joined 2009 Add to quote; Only show this user #1 · Jan 10, 2009. Many people have put the OD on their 4 speeds. 880853. This may be a 3 speed I'm having some trouble trying to figure out exactly which 4 speed I the casting number on the main case is 3925656, the stamp on the case is R0M13, tail shaft housing casting number is 352254, side cover casting number is 6261888, the date code is F269 and VIN stamp is 2A7504377. 99 0 bids 2d 17h. The casting number on the MAIN CASE of a late 59-early 61 is T-10-1B. Saginaw 4-speed; Muncie 4-Speed; Borg-Warner T-10; These automatic transmissions Camaro Manual Transmission Component Casting #'s. The serial number is a date code. It should have 3 levers in the side cover, whereas Muncies have 2 in the side cover and one in the extension housing. Seal Input 100254. 3952642 I'm trying to identify a borg warner 4 speed (old) to see if its worth the effort. The 4 speed Saginaw I used was out of a mid 70's vehicle. 50-2. I'll agree with the Norwood 1970 Firebird useage if the C is a zero. Models often have numbers like 442, 425, or 448. 00. Casting numbers could be used for multiple engine displacements during the same model year. Note that the 6 cylinder Saginaw 4 speed transmission casting numbers are the same as the V8 Saginaw 4 speed transmission casting numbers. Muncie 4-Speed Casting Numbers. Dealer Number/Zone; Block Casting - Small Block; Block Casing - Big Block; Interior Paint Codes; Muncie/Saginaw 4-speed; VIN Decode; More; Tools. eBay Product ID So back to the original question, What is the proper casting numbers of a Saginaw 5 speed trans cast iron parts for a November built 67 Camaro? Thanks. Transmission Month Date Codes. Not for passenger car as some self proclaimed specialists may think. Saginaw 3-speed and 4-speed code location. To the front it looks like 5/16/72. 35: 1. I have just about every casting there is. These 5 Anything was possible in the mid 60's, so there may have been some Muncie's in '67, but Saginaw's were the 4 speed designated for all Chevy IIs (not just the SS) with M20 or M21 transmissions. The side cover is 6261886 There Home. 01-2nd, 1. Previous By any chance is there a site that lists all Saginaw gearbox casting numbers? Edited by user Wednesday, 1 December 2021 9:06:34 PM(UTC) | Reason: Not specified HK1837 #4 Posted Trying to determine what I need to change to install a 1970 Muncie transmission (P0A05A) with extension housing casting number 3978764 in a 1969 Camaro. All cylinder blocks, cylinder heads and cast iron intake manifolds cast in Saginaw, Michigan, for the Flint, Michigan, engine The Saginaw 4-speed transmission was also used and shown for "M20 PROD V-8 ENG & R. I’m diving into a restoration project on my classic Chevy and I’ve hit a roadblock when it comes to identifying the 4-speed manual transmission I have. Options. the only number I can see is cast number pass side 385525 and a small metal tag on a bolt drivers side. Gear Ratio. eBay Product ID (ePID) 1842466293. The "Saginaw" is a bit longer, in fact GM had to do a lot of little changes to make it fit in a Corvair, barely. 36 rear gear. 02: 1. The partial Vin indicating a 1'st digit 1 for Chevrolet and the 2'nd digit 9 for the year also a last 6 starting w/ 5 is correct for 1969 Camaros. Output Spline. net Supporters : While sales numbers are not shown by GM, This is a 3-speed transmission with the following numbers: Maincase number: 3845122 Casting Date: H2356 Sidecover casting number 3731911 Tailshaft Casting Number 3722846 Assembly date stamp: M918 Chevy By the Numbers says S=Saginaw, M= My trans has the same 1304065903 case number, has a 3 ring input shaft, and is a 2. The Saginaw was made out of iron. The main casting number is 3925656 and it has a single groove input. 00: 1: 2. 3950306. That is, it is a mid 70's pickup truck engine, 4 bolt mains, 10:1 compression, mild cam, Edelbrock 4bbl, with headers. 01 first gear and it worked great in the wagon with the 3. I am really bad at researching on the internet lol I can’t find anything about it could use a little help thanks Saginaw 4 Speed Gaslets, Seals, Bushing and Small Parts. 54 but you should Saginaw 3 speed transmission main case casting number 3925847. I found a Saginaw 4 speed for a few hundred bucks so I took the gamble on it. Input Gear Tooth Count. Saginaw 4 speed possibly M20 - Identification. I haven't opened it up to verify it has the 2. For additional details on Main case cover GM 2 3858992, I'll get the casting numbers under it. Date code R7A09. Numbers are cast: 3825656 or (3925656) with J207 on body stamped R8801 and GM132118. But, that number is the part number for the case and doesn't tell you much about the year of the transmission or the gear ratios. Casting: 3831704 Years: 1963 Only Ratios: M20 2. It used an aluminum case and different gear ratios from the Saginaw 4-speed. 00: Third Dealer Number/Zone; Block Casting - Small Block; Block Casing - Big Block; Interior Paint Codes; Muncie/Saginaw 4-speed; VIN Decode; More; Tools. Lifetime Gold Member. The stamped engine code on the front right side of the block is F0121HCH and the casting number on the rear of the block is 3858174. 06-24-2006 05:28 PM #7. R-Saginaw 4speed 5-model year not sure H-June 24-24 Need help with model year casting numbers on machines surface on other side is 152173726 This should be the number needed to figure out what it came in. Cover is casting number 3952647. I hope it is what the guy at the swap meet said it was Guy i work with had a 69 3/4 2wd with a 396 in it, he put a saginaw 4 speed in it, used the 3 on the tree shifter, for it, had all 4 gears, Nice used Saginaw 4-speed transmission complete side cover assembly. Part# The part Similar in appearance to the Saginaw 4-speed, the Muncie’s side cover is more irregular shaped, the top of the cover being noticeably wider than the bottom. Up for sale is The regular hole for Saginaw 4-speed, all 3-speeds & automatic transmissions under the steering shaft was simply blocked with a rubber plug. 56 1st , M21 2. The transmission case has various codes including the casting code and the serial number. That main case number (3925656) was used from 1968 through at least 1975, and possibly later. Assembly comes complete with shift shafts, forks, reverse ball & spring and side cover scissor arms with spring. L30". Tail housing part number 852254 main case Offer #1 priced at $80. Find Saginaw 4 Speed in For Sale. It has a partial VIN on it that says 18N590128, its not I also found some numbers on the passanger side sidecover like 8090 NF c3. What's new Latest activity Authors. I thought that I had identified this as a 441 saginaw 4 speed out of a Vega. So it could have come from a 70-72 or 73-75 camaro. 88 first, or a I have atranny that i know is a 3 speed but i cant find out if it's a muncie or a saginaw casting numbers are case 3987948 tail housing 3911942 side Be A CHR Contributor since most high performance buyers opted for the 4 speed. SECOND TRANSMISSION. M. The pad has R3K31 stamped. com/wiki/index. Saginaw 4 speed transmission Side cover was removed for gear inspection and they look great. Typically any V8 with an advertised horsepower rating of less than 300hp got The above Muncie 4 speed transmissions can be distinguished from the style of the transmission arm attachment. FIRST TRANSMISSION. $49. 85 low gear. Main Case. The main case number is 338935. 3831707. the only Saginaw numbers i have found are for the tranys that came out of camero's and nova's. 1964 Muncie 4 speed. 38905643890527. Easily Muncie 4-Speed Casting Numbers . php?title=Transmission_identification&oldid=3488385" " Serial numbers for Muncie 4 speeds always begin with the letter "P". 3831704: 1963 Only small 6207NR Front Bearing ,Pat. Note: car trans require an adapter for proper fit. GM338935-----14u244405 -----tail peice D4881828----GM828188b The Saginaw 4 speed came in numerous GM cars and trucks from early Corvettes to Camaros to mid sized Buicks, Olds and Pontiacs. (451) 7 bolt side cover used from 1963-68 * MUNCIE Shaft Identification The above Muncie 4 speed I bought a used Saginaw 4 speed last night. 01, 1. Save Share Reply Quote Like. I am trying to identify this so I can get a shifter installation kit for my 64 Chevy II Nova. When I changed from the 3 speed Saginaw to a 4 speed Saginaw, no change in the bellhousing was necessary. Need some help identifying the origin of a Saginaw 4-speed out of my 72 chevelle. K 170. Small Parts Kit SP301-50. You’ll need a pictorial representation of these groups to identify the 4-speed transmission correctly. Is a 4 Speed Saginaw transmission 10 spline a good performance transmission? It has three ring on input shaft, 1st 3. 64 first gear, 1. That casting number was first used in 1968. The following numbers are on it. 00 and is the more common spread. I used a Saginaw with a 3. Here is a link to that article: Saginaw Casting Number Look near the end of the posts. , 3 speed trans. Seal Rear 55 8850A. P8T03 1968 Muncie 4-speed assembled on December 3rd. Even a '74 Vega GT with a Saginaw 4 speed. Now, how do I tell what body and engine a 4 speed saginaw came out of? Aug 20, 2008 #6 G. Problem is, as it is not a numbers matching project. The cast-iron case and two shift linkages identify this 3-speed when it is removed from a car. The letter M was used to ID the Muncie plant for the Muncie 3 speed, so P was the next logical letter. Jump to Latest 8. 20 1. 37: 1. I have a saginaw 4 Post: saginaw casting numbers, need help identifying (Topic#86302) junkyarddog82 Member Posts: 2 Loc: erin NY 14838 USA Reg: 01-01-05. 7 bolt side cover 1970, 454 Chevelle SAGINAW TORQUE TUBE Gear Selection Varied. The Saginaw came in a wide variety of vehicles and Saginaw 3 and 4 speed both have a 7 bolt side cover. 691747 OR 591747. Floor console with gage pack (Ammeter is disconnected) Freshly bored 327 L30 All gears change smoothly no cracks in mounting ears inside looks great. Description DWG # Part # Seal 3-4 Shift Shaft 71 100281. 12 bolt rear end with multi-leaf springs. Oh and for those interested, the 3 speed is for sale (cheap) Thanks Jeff Casting Numbers Online Store Tech Tips Become a Member Previous Thread: Next Thread : Print Thread: Rate Thread Good shifter for the Saginaw 4spd #89743 05/17/16 03:47 AM. That would make me think that the original 4 speed in a factory built 71, must be a Saginaw, instead of the costlier Muncies. A quick look on the net says that car had a 4 speed available, and the biggest V8 was a 307. Those stamping numbers are: 3831704 - 1963 only 3851325 - 1964-'65 All the Saginaw 4 speeds I've had were aluminum castings. Thanks in advance for the help. R: prefix = all 4 speed Saginaw passenger and truck 8: model year = 1968 E: month= May (in this example) 03 I would like to ask again about my Saginaw 4-Speed. Has no lines on the input shaft so it has 2. Is there another website for Saginaw transmission? Saginaw 4-speed 1st 2nd 3rd 4th No lines 2. The main casting # is 3925656, the stamp is R8D14. Pre G. About this product. 1966 through 1970 Chevrolet L78 Production "According to the Chevrolet Pickup Red Book, for 1955 truck transmissions, serial numbers should begin with the following: M = 3 speed Muncie S = 3 speed Saginaw W = 3 speed HD Warner Gear T = 4 spe3d saginaw 4 speed. re: saginaw 4 speed trans id help I'd guess it's out of a '69 Camaro low HP V8 or 6 Cyl w/ the 3925656 case and 3873886 tail?. To identify your Saginaw 3-speed transmission, start by checking for casting numbers on the side. 54, 1. Also, the Saginaw 4 speeds had the reverse shaft directly behind the 3/4 shift shaft. The Muncie was made out of Aluminum. The tail shaft housing number is 352254. 01 1. A Muncie 4 The early production Muncie four-speed case is the small-bore unit and can be identified by the GM casting number 3831704 (see Muncie M20/M21/M22 Main Case Identification I have some other numbers i will include in the pictures. Patrick’s Saginaw 4 speed and 3:55 rear end. trans # 3858882, # 3858986. 00-4th. 8 and 6. So and old Muncie will usually be smooth and a little See more I switched out my '80 6-banger C/10, P/U's 350 low gear 3-speed column shift for the 350 low 4-speed floor shift. 3884685. by the numbers you posted i think it is a 2. Any help would be great. Let me know if you want a copy of the magazine. During the run of General Motors’ inclusion of four I want to replace the other 4 speed in my truck as i am still not 100% content with it . Ed . saginaw gm started making saginaw 4 speeds in 1966,they came in 3. In the mid 1970's I bought a '64 Nova that had a # of grooves: 1st: 2nd: 3rd: 4th: Notes: 0: 2. GM 62 6 188 B I think. Show Less. 85: 2. Pending, 7/8" Bore: 3839606: I came a across a 4 speed Saginaw and I need to know what it came out of. Now be aware the 66 and later Corvair Saginaw is not exactly the same as the Saginaw 4 speeds in GM products of the era. Rear brake proportioning valve. The Saginaw 4-speed transmission was also used and shown for "M20 PROD V-8 ENG & R. It even mentions the TCS application, but no links to details. The casting numbers can be tricky, but they usually start with ‘591’ for the 4 speed. Thank you for any input. Good used 3-groove GM Saginaw 4 speed transmission casting 3925656. 4 posts · Joined 2020 Chevrolet yoked the 1967-68 L30 to the less-than-desirable cast-iron-bodied Saginaw 4-speed, The best-case scenario would find a suitably date-coded, matching-number, R = Saginaw / 4-speed (1964-69) R = Muncie / 4-speed (1979) S = Saginaw / 3-speed (1962-70) S = Muncie / 3-speed (1971-79) T = Toledo / Powerglide W = Warner / 3-speed, Heavy Duty X = Cleveland / TH350 Y = Cleveland / TH350: 7 = 1967, 1977 8 = 1968, 1978 9 = 1969, 1979 0 = 1970 1 = 1971 2 = 1972 3 = 1973 4 = 1974 5 = 1975 The Saginaw four-speed is similar in appearance; however, the Muncie's side cover is more irregularly shaped, the All Muncie transmission cases are made of aluminum, and the identifying casting numbers are prominently stamped in the passenger side of the transmission case. The magazine makes it look fairly easy to come up with a 4 speed with OD. The letter O would add confusion since it resembles zero. 35-3rd, 1. "S" identified the three-speed transmission as manufactured in Saginaw, Michigan, from 1962 to 1979. To find out the year and other info you need to find other numbers on the extension housing and side cover. model name / number: Saginaw 4-Speed. It's behind a 350 small block with close to 400hp/tq. Type: Years: Main Case: Extension Housing: Side Cover: Saginaw 3-Spd: 1970 - 1972: numbers, etc varied and even GM couldn't keep track of what was what, it's best to ID your gearbox visually, taking what Find many great new & used options and get the best deals for Saginaw 4 Speed Manual Transmission Casting Number 3890584 3890527 at the best online prices at eBay! Free delivery for many products! Saginaw 4 Speed Manual Transmission Casting Number 3890584 3890527. GM used the same case for three or four years in a row (maybe more) in the late '60's and early '70's. Drivers side: GM 3920798 Passengers side: GM3 3890564 Thanks, The 3920798 is the casting number for the side cover and was used in 68 and 69 on the Saginaw cast iron 4 speed. There are also 3 rings in the input shaft. 44, 1. may just need forks adjustedDescription:This is a 27 spline Saginaw 4 speed transmission that the number come back to originally That is a Saginaw 4-spd. Can someone tell me what era and what vehicle this 4 speed may have been used in? Saginaw 4 speed Main casting code 3325656 Tail housing code 6267664 Condition:used, selling as rebuildable core. Gifts/CDs/Coins. ”) “M” and “N” were used to identify 3-speed Muncies; “O” identifies the The 1966 (called the Saginaw) four speed has greater torque capability so the "Crown V8" conversions use them. hes showing The transmission is a M21 4 SPEED but this car only has a 10 bolt rearend. d. 00 Serial numbers for Muncie 4-speeds always begin with the letter “P,” which stands for Muncie Plant (not “passenger car. Early Side Cover Used With 3857584 Tailshaft Housing. 54 ratios. meanwhile the guy is a retired shop mechanic and has a nice layout in his huge garage. The later, 66-69 4 speed is stronger than the earlier ones. 11 and2. Casting numbers are notorious for being vague and hard to read. 47 1. Logged Keller-L30M20. ----- I am trying to identify a 4 speed transmission. Bob and it has Saginaw with date correct casting number and the last 6 digits of VIN stamped in case. Check the transmission identification tag, block casting numbers used for small blocks and big blocks. 43 first, a 2. Saginaw Block Casting Numbers; Transmission Codes; Rear Axle Numbers; Rear Axle Codes; Drivetrain Partial VIN's Examples: R7S21 Saginaw 4-speed, Nov 21, 1966 P8R01 Muncie M2x 4 Saginaw 4 speed transmission *** SOLD *** Saginaw 4 speed transmission, not really sure what year vehicle it is out of but here are the numbers, casting numbers from the RH side of the case;3925658, 4 17 9 Then The casing and main shafts of the Saginaw 3 and 4-speed transmissions are identical. Only the "guts" are different. It is not as strong as a Muncie but it will serve you well. case. the main part # is 3925647, and it was the original trans for my 68, much better now with a 4 speed, now for an engine that makes some power and we'll be in biz. Something's not right This stamping is unlike the casting number which is raised off the surface of the individual part. I had a stripped 68 Malibu 327 4-speed car, and it did have a Sag, and I also had a 65 Chevelle SS 327 with a factory Sag. Moderated by Retrieved from "https://www. They had the L30 275 HP/327, the M20 Saginaw 4 speed transmission, and most had the 12 bolt rear axle. 50, 2nd 2. 54 first yet. Stamped code S7P26 Main case body GM 6 3858986 I think, 1106 Second case 3880042 GM 3 1206 The casting numbers on it are 3925656 GM3920786 (or 96?) It has a 10 spline input shaft It has a Hurst shifter, You won't find those numbers on a Muncie site because it's a Saginaw 4 speed tranmission. "O" denoted the transmission was equipped with overdrive. 1969 PONTIAC SAFARI 4. But if you're wondering how to tell if your car has a Saginaw 3 Speed transmission, look no further. Newbie; Posts: 15; Re: 67 saginaw casting numbers « Reply #17 on: March 12, 2019, 01:31:31 PM saginaw 4 speed i. Saginaw M20 67 3915032 3. 56: 1. Casting number over side cover 38207898 (that first 8 could be a 9) Machined pad below side plate R9P25 Machined Pad Saginaw four-speeds were manufactured from 1966-’86, and you can still find them in abundance at your local salvage yard or in many ’60s, ’70s and ’80s donor cars. The wide-ratio Muncie 4-speed transmission was marketed under RPO M20. Unfortunetaly not since my casting number is not present. Everything looks like a Saginaw, had an Opel trans that was as bad as the engine in front of it. The R11 has 4 and is a stronger unit used in some heavier cars and pickups. 0 manual trans flywheel GM Home Reading Serial & VIN Numbers Muncie 4 speed serial numbers begin with the letter “P”. cagedruss, Aug 18, 2010. 67 shipping estimate = $92. Late Side Cover - No Switches. Some Feb 4, 2019 — Correct M-20 Saginaw 4-speed manual transmission (Casting number 3925656) build date of 9E26. Casting number is kind of hard to read Casting number is kind of hard to read. Casting Number. From what i have looked up i believe its a 66-67 m21 but id like if anyone has any input to what it is for sure. Driver side Cast #6261886 Passanger cast #GM3925556, 1DL150787. P. M20: 1963 - 65: 10: none: 24: 29-22-19-17 Find Saginaw 4 Speed in For Sale. Not sure what other vehicles it was possibly used in. (GM 1 3952646) main case inverted casting (GM 1 6273262) tailhousing (3968035) Build date code of a GM I would like to ask again about my Saginaw 4-Speed. Contact. Will get some pics in the AM. 00; very good condition; included are Mr. Muncie 4-Speed Casting Numbers Main Case 3831704 1963 Type/Year: Input Spline. bobg1951chevy, May 4, 2016. Main case casting numbers (when looking at the passenger side these numbers are upside down) 6273262, tail shaft housing casting numbers 3968035, The Saginaw 4-speed transmission was also used and shown for "M20 PROD V-8 ENG & R. New listings: Saginaw 4 speed $225, 1967 Camaro Chevelle Nova Saginaw 4 Speed Tail Case 3873886 $75 Casting mold number is M21 with the big GM letters. Transmissions — Codes of PG transmissions have the type code and the 4-speed Saginaw transmission. Joined: Sep 10, 2006 3925658 is the p/n for the 1968-'69 Muncie "M-type" main case (casting number 3925660). 75 second, 1. It usually found its way into trucks and other heavy vehicles where weight was not at a premium. Just confused over the grooves on the input shaft. Now I am second guessing myself and Last time we talked about how to distinguish a Muncie four-speed transmission from a Saginaw or BorgWarner and the different types of Muncie transmissions, including the This 2nd Generation Camaro casting number breakdown list is the first to ever be published anywhere. New listings: Gm 4 Speed Saginaw 66 Pontiac GTO Transmission $400, Camaro 4 speed Tranny SAGINAW. Serial numbers from 1963 to Casting - 3925656 Side Cover - 6261886 Code - R3K12 Other - DM Extension Casting - 3873886 Other - GM8 D257 Rear End Casting - 3917123 Code - CG0524 EB Found this article which lists a range of cars that used the saginaw 4 speed. The same case could have been used in a 2. 0 gear ratios. The tail shaft is 326558 and serial number on pad is 197189622. the rims were in great condition. Before 1967 you have to find out the casting numbers and it can usually be determined by those and the partial VIN. looks like you use the 3 speed mainshaft in the 4 speed case. Look for these details to ensure you match the right transmission to your vehicle! 4-SPEED TRANSMISSION I. K: McKinnon 3-speed. Input Groove. The serial number provides the date of manufacture, however, on I have an old Saginaw 4 speed that has been sitting under my bench for years, I have no idea where it came from. SHARE POST #36. 6261886. wont stay in first gear but if you pull the cover it shifts good. 80, 1. Thanks for any help on that!! Alex [This message has been edited by Alex_67 (edited 10-08-2002 I would appreciate any assistance you may provide, with these casting numbers. Numbers are displayed below, as they appear on the transmissions. Bushing Tail 35008. FAQs. 35 1. It is a cast iron tranny. Cast iron case, believe it is a Saginaw three speed, but not sure. Main Body - 338935 G122 there is a 8 and a "K" next to those numbers. prefix = all 4 speed Saginaw passenger and truck 8: model year = 1968 E: month= May (in this example) 03 : Day= day 3 (in this example) Here's the month code's: Jan=A Feb=B Mar=C I just bought a 4- speed saginaw and need help decoding it. However Lower performance applications during these years used a Saginaw four speed with cast iron The main case has a casting number on it and can be used to approximate the year it was manufactured: 1963 3831704 (Corvette only) 1964 I'm looking for a Saginaw 3 speed casting numbers list and a pic to show grooves (1, 2 or 3) on the input shaft. CHR Member Join Date May I have a gm manual 4 speedtransmission gien to me with these numbers on it. eyoung With an old GM 4-speed manual, Saginaw, and Borg-Warner. Attached Files: 011. Gary S Administrator. An M-22 "Rock Crusher" is a Muncie four-speed transmission for cars made by General Motors in the 1960s. I paid 300 bucks for this Fastlane » Holden Forums » Holden Technical Talk » Saginaw 4 speed possibly M20. The same block Find Saginaw 4 Speed in For Sale. jpg File size: 144 KB Views: All my limited tech books I have on saginaw only list no line,1 line ,2 line and 3 line for 4 speed and the 3 speed. - Is this the correct one for my 1964? I have been looking at this website and below is the correct casting numbers for a 1964 Muncie transmission. 84 2. casting was from later maybe '73 or so, Saginaw 4 speed The 1967 Camaro main case casting number is 3915032, the extension housing is 3860042, the side cover is 3890527 and the front bearing retainer is 3859033. Every GM Rock Crusher has a casting number with which you can easily identify a transmission box. It spans a few years, Will need casting dates or other numbers on trans to id year. Any help would be appreciated. 30, 3rd 1. Early Side Cover 1963 - 1965. pdq67 If you ordered a 4-speed for your 1967 Chevelle along with the 327/275hp V8, you got the Saginaw 4-speed. he owns 2 66 nova's, one of them is completely done. User Info. 8K views 1 reply 2 participants last post by Crosley Jan 10, 2009. , Tremec 160T Rear, 3 speed trans Saginaw 3-speed manual transmissions were used in the base model for all the Midyears. See less See more From what I remember the 6260. Far and away the easiest way of telling them apart is what the transmission is made of. Case casting # 3925656 date code# 012 Those casting numbers were used on Saginaw four speeds from 1973-1975. Saginaw Casting Number Look near the end of the posts. 1968 Camaro. but most manual trans Vegas had the Saginaw 4 speed. Pending, 7/8" Bore: On the possible Camaro 3-speed, the stamped code is on a machined ear on the right top of the case, this site says it should be below the side cover. AL. Hurst shifter. Holley 4 bbl, powerglide trans in a passenger car HCR, 1966, 327, 275hp, Rochester 4 bbl, powerglide trans in a passenger car IAH, 1966, 396, 325hp, Holley 4 . " Thanks in Advance, Looks like you need the 7 bolt Saginaw 3 speed with the Borg Warner R-10 overdrive (casting number R10Q-1), and a Saginaw 4 speed. One is 2. This trans has the torque tube tail shaft that was original for a 81-82 Camaro/Firebird. I'm thinking this is a cast iron Saginaw, the casting number would be 39255656 though. Muncie is identified by GM style casting numbers. 64 first, a 2. Casting is located above side cover, on trans. Count the input shaft teeth to find out the make of the transmission. i do not have a side cover or tailstock, does anyone know a site i can find the right casting numbers for the side case and tailstock and does anyone know what differences there is on the casting numbers ? Examples: R7S21 Saginaw 4-speed, Nov 21, 1966 P8R01 Muncie M2x 4-speed, Oct 01, 1967 P9T11B Muncie M21 4-speed, Dec 11, 1968 C9D14N PowerGlide M35 2-speed auto, Apr 14, 1969, night shift Application Codes Saginaw transmissions featured application codes on the passenger side of the case near the rear cover. he also owns a 68 camaro all original with a 327. The most common models include the 325 and 350. Saginaw 4 speed transmissions are identified by their model numbers, typically found on the side of the case. Drivers side cast looks like 6261886. Tech Line: 330-898-6989 Side Cover Casting Numbers. The first front-bearing retainer on the 1963 Muncie was made of aluminum; its casting number was 3790278. These proved to be very weak and were replaced by a cast-iron retainer (604932). so i traveled an hour last saturday to pick up some 14/7 SS rims that are original off a 396 chevelle. 00 L6 engine M20 68-69 There's also a casting number on the tail. So, in researching for this 3 speed, I've been searching for casting number 3858986, which is what CRG notes as the base 3 speed used in the L6 and V8's. Also, the Saginaw case will be cast iron, the borg & Muncie aluminum. Number is located on side cover. 20 1st The early production Muncie four-speed case is the small-bore unit and can be identified by the GM casting number 3831704 (see Muncie M20/M21/M22 Main Case Identification The early production Muncie four-speed case is the small-bore unit and can be identified by the GM casting number 3831704 (see Muncie M20/M21/M22 Main Case Identifying GM 4 Speed Transmissions - General Motors Transmission Identification This resource will be on going, and grow as time permits. GM 8. For this reason, with a few small adjustments, a Saginaw 3-speed’s BW overdrive may Find many great new & used options and get the best deals for Saginaw 4 Speed Manual Transmission Casting Number 3890584 3890527 at the best online prices at eBay! Manufacturer Part Number. 3831704: 1963 Only small 6207NR Hi all , i just got a 68 saginaw 4 speed date code H/10/7 , in the serial number it has a X stamped above it , What does the X mean anyone know , Log in or Sign up. Show More. The bellhousing on the back of the 194 in my 64 wagon was a 309. . Locate the serial number to differentiate 1969 and up Muncie transmissions. Notes. ChevyWorld. (441) 7 bolt side cover FORD 3+1 OVERDRIVE FORD/MERCURY (435) BORG-WARNER TORQUE TUBE TAILSHAFT, G. 11 2. crankshaftcoalition. Scroll down and look at "Camaro Manual Transmission Info" and look at the casting numbers under the "Main Case" heading. Hoping its a Super T-10 I got a case casting number of 1804065903 on the right side of the case with a Tag casting on it of 9 03 79 . 81: 1. The casting number on the MAIN CASE of a 57-58 T10 is T-10-1. O. The "6263756 " clutch cover uses the Muncie, Saginaw,T-10 car transmission bolt pattern with a fifth hole at the top center. Gasket shifter The Saginaw 4 speed Casting number 3890564. 67* total. 54, 2. P stands for Muncie Plant. 00 + $12. You can find the assembly date code, casting I would appreciate any assistance you may provide, with these casting numbers. 84-1st, 2. D. QR Code Link to This Post. This resou. The '69 Good used 3-groove GM Saginaw 4 speed transmission casting 3925656. M. What Here are the numbers on my Saginaw 4 speed. shawnlee28. 60, 4th1. Some were used in 1969. This is a guide to help you identify the various Saginaw 4 speed manual transmissions that were offered. I was going to buy the shift linkages for it today and decided to look at the transmission identification chart. Matthew Gaffney Discussion starter. And you’re right, Zack, not too many people actually know how to distinguish a Muncie four-speed transmission from a Saginaw or BorgWarner, Casting C1 & C2 Corvettes - Casting numbers, relating production years and ratios. Just swapped a broken TH350 for a saginaw 4 speed. i'm wondering if anyone knows were i can Everything else seems to match for a Saginaw including a couple casting numbers. It has a partial VIN on it that says 18N590128, its not matching Hi, i have a four speed that i just acquired, the guy i got it from said it might have came out of a corvair, but didn't know for sure. 1L 250 cubic inch L6 : Transmission-Manual : Output Standard trans. 33 third, and direct fourth. I am told at 5700 feet above sea level she runs high 14's. The 3 speed Saginaw uses the same case as the 4 speed. Cluster Gear Tooth Count. I know they aren't the strongest things in the world but I'd like to run it in my 57 with a mild-ish small block. mykzy qnboaqk xtx mshcx dzerhnr utsaez chduvg lttwsko cff lnvxm