Saginaw 4 speed identification Sep 15, 2021 · The Saginaw transmission was engineered and manufactured in Saginaw Michigan for the Chevrolet General Motors, vehicles with RPO code M15 utilized the Saginaw 3 speed, you should be able to find a “S” on the passenger side of the case rear cover. 20 1st Jul 5, 2016 · A:Zack, I am excited that you and your father are working on a project car together. I used a Saginaw with a 3. Transmission identification chart Re: Saginaw 4-speed ? 06-30-04 11:21 AM - Post# 472080 In response to octane102 Basic differences are gear sets. Muncie 4-Speed Identification Apr 25, 2007 · The bellhousing on the back of the 194 in my 64 wagon was a 309. The 4-speed also used a third shorter rod for reverse. Mar 27, 2011 · Just swapped a broken TH350 for a saginaw 4 speed. Apr 26, 2015 · post a picture of it and the ID tag. Discussion in 'The Hokey Ass Message Board' started by cagedruss, Aug 18, 2010. Understand how the gears and shifters are connected and learn how to troubleshoot common problems. 54 tranny 4-SPEED TRANSMISSION I. 37: 1. Speedometer gear color & tooth count chart: Speedometer gear usage chart. However, that one seems to have the "full length spline" input shaft,; earlier ones had a "necked down" area just before the end of the throwout bearing collar. 85 1st gear; 1 groove - 2. Home > Transmission Parts > Chevrolet Transmission Parts > Saginaw The Saginaw 4-speed transmission is a popular choice among car enthusiasts for its durability, ease of use, and affordability. 84-1st, 2. It lists transmission models from Borg-Warner, Muncie, Saginaw, New Process, and Ford, and provides distinguishing details such as whether transmission arms attach with a stud and nut or bolt. These grooves indicate the ratios of the gears inside. Feb 6, 2017 · This page will help you properly identify a Saginaw 4 speed transmission. 44-1. 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. 80-1. Developed by General Motors, the Saginaw 4-speed was introduced in the early 1960s as a lightweight alternative to the heavier and more expensive Muncie 4-speed transmission. 00: Third Mar 20, 2010 · saginaw 4 sp identification? Engine & Drivetrain. I rebuilt a Muncie M20 4-speed and replaced the Saginaw 4-speed. Jan 30, 2010 · I don't believe you need to positively ID your Saginaw. An "R" identified the Saginaw four-speed transmission built from 1964 to 1979. Any more information about this trans? Pics? It's important to note the RPO code of M20 was used for both the aluminum case Muncie 4-speed as well as the cast iron Saginaw 4-speed. but rather than 0-3 lines on the input shaft, there are 4 lines. It shifts very smoothly in all gears but in third and fourth gear there apears a lug sound when driving , wich i have not been able to identify where comes from ? Dec 24, 2008 · The Saginaw 4-speed is easily identified because it has all 3 shift levers on the side cover. 4-SPEED TRANSMISSION I. L30". djmhwd Posts: 10 Joined: Sun Apr 26, 2015 5:47 pm. A 4 speed manual transmission was not offered Serial numbers for Muncie 4-speeds always begin with the letter “P,” which stands for Muncie Plant (not “passenger car. Grinding or difficulty shifting gears Mar 1, 2012 · saginaw gm started making saginaw 4 speeds in 1966,they came in 3. But the other numbers don't match the extension or sidecover casting numbers. The early version has a 7/8" cluster gear pin, and the late version has a 1" cluster gear pin. P. %PDF-1. Left side of the case (side opposite of the shifter) has the following numbers: GM6 338935, pad has the following number stamped in it 14u374780. CHART *MUNCIE Shaft Identification: Muncie 4-speed transmissions can be distinguishedvfthe rom style of the transmission arm attachment. Both the 4 speed and the 3 speed have the same matching gear ratios in first gear. The primary four-speed manual transmissions used by Chevrolet are the Saginaw, Muncie and Borg Warner models, with Saginaw and Muncie units being specifically made for Chevrolet. shifter side reads: gm6261886 4/22/74, which I suspect is the date code. The four-speed transmission is very similar to the tried-and-true Saginaw three-speed and fits well behind six-cylinder and eight-cylinder engines. Aug 3, 2018 · The Saginaw four-speed box is quite similar to both the T-10 and Muncie four-speed transmissions. 80 1. com shows the same rebuild kit for 99% of all Saginaw RWD 4 speeds. 02: 1. 85 first, 2. As an example of this Drivetrain. as far as the bellhousing any chevy housing will do the bolt patterns are the same for Nov 7, 2011 · I'm with Mark on the terminology too. 54 tranny would live the longest behind a good motor! And next, the common 2. Saginaw 4 speed ratio identification. The basic design and operation theory of the gearbox changed little during this period, however several design upgrades and modifications were made during the total production run. As far as I can tell there were no significant differences in the RWD Saginaw 4 speeds over the years. 36 rear gear. Saginaw and Borg Warner models are normally used on general purpose applications. Here are reference images of the three most common 4-speed manual transmissions: Muncie, Saginaw, and Borg-Warner. Top. 00 1 groove 2. Driver’s side Jan 5, 2024 · I agree with DansYellow66, it looks like a Saginaw 4 speed to me too. That would make me think that the original 4 speed in a factory built 71, must be a Saginaw, instead of the costlier Muncies. 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. 55 gears. "S" identified the three-speed transmission as manufactured in Saginaw, Michigan, from 1962 to 1979. (455) 81-82 CAMARO/FIREBIRD 9 bolt side cover MUNCIE M-20/M-21 EARLY, G. 1968 Camaro. Muncie 4-Speed Identification Casting Year(s) Ratio Ratio Ratio 3831704 1963 Only M20 2. left side of the tail shaft reads: GM4 8281884. The 58-65 transmissions are not commonly called a Saginaw even if they technically are. Part of the problem with GM 4-speed systems is that there’s a lot of variety. 01-1. 20 1st 3851325 1964 - 1965 M20 2. 54 sets): Some exceptions include the 1970 with either the SS396 or SS454, the 1971 and 1972 SS with the 454 engine where the H. After switching to a posi rear axle with different gears. However, neither compares to the Muncie in terms of strength. Input Groove. The Saginaw 4 speed transmission is known for its durability and strength, but like any mechanical component, it can experience certain problems over time. I took an old Competition Plus 4-speed body and mounted it to the 3-speed mount Jan 26, 2008 · I had the same problem with a Malibu 350 I used to own. also asked me where the trans came from. Save Share May 9, 2013 · 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. 00 The Muncie 4-speed transmission was used with many different GM models and engine combinations from 1963 through 1974. Oct 26, 2018 · First pic is correct on the 1-2 and 3-4 levers, those have to face up, otherwise the shifter H-pattern will be upside down and have 2nd where 1st should be, 4th where 3rd should be. #1 Muncie and Borg Warner (high compression small blocks and big blocks) #2 Saginaw (6 cylinders and up to 2bbl 350 small blocks) #3 T5 5 speeds ( 4 cylinders and up to 305 small blocks) Dec 23, 2003 · Saginaw 4-speed 1st 2nd 3rd 4th No lines (grooves) 2. 54 1. RPO code M20 significances the 4 Speed version, this overdrive will have a code of “O”. Type/Year: Input Spline. (see Muncie M20/M21/M22 Main May 3, 2016 · Muncie, 4 bolt side cover, Saginaw, 7 bolt side cover (both 3 and 4 speed) There were only two different ratio gearsets for those, passenger car and Corvette (don't know what they were). The Saginaw 4-speed transmission was also used and shown for "M20 PROD V-8 ENG & R. Re: Transmission Identification? 1966-69 Saginaw 4-Speed Transmission. Saginaw 4-speed 1st 2nd 3rd 4th No lines 2. Nov 10, 2008 · A 3 speed will have 2 shifter shafts on the cover and a 4 speed will have 3. I am really bad at researching on the internet lol I can’t find May 9, 2000 · Transmission identification may be determined by finding the transmission application code in the following tables. The 4 speed Saginaw I used was out of a mid 70's vehicle. 5 mm) 4-Speed Muncie CH & SM-465 4 Speed Muncie 3 Speed MUNCIE 4 (117MM) Speed MUNCIE 5LM60 (HM-290) 4 & 5 Speed Saginaw (76 mm) 4 Speed Saginaw 3 Speed Tremec 3 Speed Warner T-4C 4 Speed Warner T5 (77mm) 5-Speed Warner 83 mm 4 Speed All available GM manual trans for your truck. 00 Common 1 groove 2. The Muncie 4-speed transmission was used with many different GM models and engine combinations from 1963 through 1974. Our factory rebuilt re-manufactured transmissions ar May 3, 2010 · Just post some pics when you can, there will be a 100 guys who can id it buy photos. in 1968 they stopped making 3. Aug 7, 2018 · The Saginaw four-speed box is quite similar to both the T-10 and Muncie four-speed transmissions. Also, the Saginaw 4 speeds had the reverse shaft directly behind the 3/4 shift shaft. 32-1. On the tail 3880042 GM 11. 01-2nd, 1. You will need the grooves for the ratio ID. I found a T 10 with 4 groves but that is not what you have. 50 1st. All the Saginaw 4 speeds I've had were aluminum castings. 00: 1: 2. (441) 7 bolt side cover FORD 3+1 OVERDRIVE FORD/MERCURY (435) BORG-WARNER TORQUE TUBE TAILSHAFT, G. The SM465 was made by General Motors from 1968 to 1991. Feb 11, 2011 · You have a "one line" input Saginaw with a 2. For example, the Saginaw 4-speed didn't come into play until the 1967 model year. Muncie transmissions are known for both high-performance 4 Speed Transmission Identification Chart We often have customers asking us how can they identify the 4 speed transmission in their car or truck. 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. ; Borg Warner 3 speeds in Buicks, HD Muncies in trucks and high horsepower cars, spindly little Muncie 318/319 in 55-65 cars/trucks (later in "some" trucks), Saginaw's in everything from Vega's to Vette's, and even a Ford made 3 speed, and a MOPAR made 3 Common problems with Saginaw 4 speed transmissions. (451) 7 bolt side cover used from 1963-68 * MUNCIE Shaft Identification The above Muncie 4 speed transmissions Feb 21, 2006 · Here are the numbers on my Saginaw 4 speed. Saginaw 4-speed; Muncie 4-Speed; Borg-Warner T-10; These automatic transmissions were used: Powerglide (PG) Turbo-Hydramatic 200 (TH200) Turbo-Hydramatic 350 (TH350) Turbo Hydramatic 400 (TH400) General Camaro Transmission Information The 6 cylinder models came with Saginaw 3 speed transmissions. 1972 Corvette Convertible Mille Miglia Red 4 speed. The tail shaft is 326558 and serial number on pad is 197189622. D. Flywheel's a 168T 30# SBC/BBC w/internal balance. Jan 12, 2006 · It's a 1976 cast iron Saginaw 4 speed used on either a Nova or a Camaro (both non-California cars, and both using the 350 engine rated at 155HP). Serial numbers from 1963 to 1966 included only the month and day. Aug 18, 2008 · Chevy did use the Saginaw behind 2 bbl 350 engines, and they held up really well there, so my assessment of tranny strength runs like this. Cluster Gear Tooth Count. The shifter rod diameter is 7/16”. It also will help you figure out what gearing you may have in it + Saginaw Specs May 31, 2006 · "Here's how you ID a Saginaw 4-speed trans. 02 2nd , 1. The Muncie four-speed transmission was used with many different 1967 Impala SS. Dec 31, 2018 · R6T19 indicates a 1976 Saginaw 4 speed transmission assembled on December 19th, 1975. hadqqekxeilpvhclelpynovvsrbhcjcfgssuayoxofucjnserxaorcnfuxqwzsflmfcgnxdfvowg