We dont guarantee that we will receive your returned item. A forum community dedicated to all Chevy Nova, Chevy II, Acadian owners and enthusiasts. 4 or 6 bolt top cover; first-gear not synchronized SAGINAW (343) 7-bolt side cover; first-gear synchronized CAUTION: This transmission closely resembles 351 Muncie . . etc. Shipping costs are non-refundable. 2.020 It's already a Corvette Muncie 318 transmission modified to a top shifter (Corvettes were geared a little better, and the Junior Stock guys used to use the Vette gears in the passenger car case. Rob Wagner is a journalist with over 35 years experience reporting and editing for newspapers and magazines. at 2.85 1st gear, and a Borg Warner with a 2.94 1st gear ratio. Depending on the time/day ordered and the product type. Truck ratios were 2.99 or 2.97:1 for first, depending on . Come join the discussion about restorations, builds, performance, modifications, classifieds, troubleshooting, maintenance, and more! Saginaw Three-Speed Type First Gear Second Gear Third Gear Saginaw Four-Speed Type First Gear Second Gear Third Gear Fourth Gear T-5 Five-Speed (Camaro/Firebird) Type First Gear Second Gear Third Gear Fourth Gear Fifth Gear T-56 Six-Speed (Camaro/Firebird) Type First Gear Second Gear Third Gear Fourth Gear Fifth Gear Sixth Gear Use the 4 speed chart to ID the first gear ratio by the grooves. Because different transmission gear ratios can greatly affect a drivetrain combination, its important for anyone performing a transmission swap to know the gear ratios of the gearboxes you might be installing in your vehicle. General Motors used the in-house Regular Production Option (RPO) code "M15" to identify the three-speed and "M20" for the four-speed. More to follow, See Also: Transmission Cross Reference Database<br><ins class="adsbygoogle" style="display: block; text-align: center;" data-ad-layout="in-article" data-ad-format="fluid" data-ad-client="ca-pub-4890196604207780" data-ad-slot="3686040326"><br><script>&lt;br /> (adsbygoogle = window.adsbygoogle || []).push({});&lt;br />, An Online Magazine for DIY Hot Rod Builders. We hope you enjoy shopping at Circle Track Supply, Inc. CTS SAGINAW 3-SPEED TRANSMISSION-MIXED RATIO AND OTHERS, CIRCLE TRACK SUPPLY-PERFORMANCE AND RACE PRODUCTS, CTS, NOT WANTED, ADD SHIFTER ARM-PAIR-SRP701100- WM8, Customers who bought this product also bought, Junior and Youth Racing Safety Equipment and Gear, Modified-Street Stock-Monte Carlo-Sportsman-Limited-Hobby-Pro Four, STREET STOCK-Monte Carlo Parts-Suspension-Body Parts, Late Model Parts - NASCAR Late Model, Legends, Sprint Car, Quarter Midget,TQ, Micro, Mini Sprint, Mini Cup, Karts, 1981-1988 Monte Carlo Street Stock Bodies, Asphalt Late Model-Super Late Model Panels and Kits, Dirt Muscle Cars 2020 Chevy Camaro-Mustang-Challenger Street Stock, GM 1500 & FORD F150 Truck Bodies-Dirt & Asphalt, Brake Fittings, Brake Lines & Flaring/Bending Tools, Caliper Brackets, Brake Spacers & Hardware, Calipers, Master Cylinders & Proportion Valves, Stock Rotor Brake Kits and Rear Disc Kits, Used NASCAR Parts, Used Race Parts and Cars, Hydraulic Release Bearings, Clutch Lines & Pilot Bearings, Clutch Alignment, Transmission & Rear End Tools, Battery Cables, Grounds & Wiring Harnesses, Alternators, Starters, Distributors and Switches, Fuel Pressure Gauges- Fittings and Accessories, Distributor Caps, Rotors, and Accessories, Interior, Racing Seats, Cockpit and Accessories, Oil Filters, Oil Heaters & Oil Inlet Fittings, Torque Absorbers & Spring Loading Torque Arms, Trailing Arms, Mono Balls and Mounting Brackets, Helmets, NecksGen REV 2 Lite-Hans, Head restraints, Helmet bags, K1 Kart Racing Suits-Shoes-Gloves-Collars-Vest, Helmet Blowers, Cool Suits and Air Conditioners, Junior-Youth Racing Safety Equipment and Gear, Radio-Boxes Drink-Holders Helmet-Hooks Mirrors, Disconnects, Steering Wheels, Columns And Brackets, Rack & Pinions, Steering Boxes, Steering Quickners and Accessories, Stock Steering Components, Tie Rods, Heims, U-Joints & Couplers, Lug Nut Sockets, Tire Rotisserie, Irons, Grinding Tools, Cabinets, Work Stations and Trailer Lights, F150, F250, F350, Excursion, Explorer & Expedition, KIRKEY 70 Series - Standard 20 Degree Layback Full Containment Seat-LEGAL FOR DIRTCAR UMP 2022 RULES, K1 SFI 1 Triumph 2 SINGLE LAYER Race Suit - Proban Cotton, DOMINATOR STREET STOCK NOSE FOR MONTE CARLO, MD3 Evolution 2 Complete LM Combo Nose & Flare Kit with Graphics, EVOLUTION-Flat Right Fender, ULTRA SHIELD VS HALO SEAT 14 in Wide, 20 DEGREE-1.00" TALLER. rear tire should be somewhere between 29.5 to 31. im thinkin it should be a decent all around setup as there will be alot of highway driving goin on, but i still want a decent bottom end. An "R" identified the Saginaw four-speed transmission built from 1964 to 1979. Thanks. Base tranny for GM early 70s would be the Saginaw. Heres a good start. It was pretty much identical to a saginaw except built heavier. Muncie SM420 transmission 4-speed manual used up to 1967, very similar to sm 465 except small changes to gear ratios and location of reverse. im building a 29 a coupe, 305 sbc bout 260 hp, running a saginaw 3 speed manual out of an 81 el camino v6 car, have a gm 10 bolt with 3.42 gears. uuid:503d70e0-d27a-5247-99e8-eda0f0fa8dbd More Return Info below. It has a cast-iron case and extension housing, and a 7 bolt side covers with reverse shift lever on this side cover. 312180356 Your email address will not be published. There are no comments yet. i am running 4.56 rear gears with 15" tires. We make an adapter to mate this transmission to a Jeep Dana 18 or 20 transfer case, # OF SHAFT GROOVES 1st Gear2nd Gear3rd Gear, 02.851.681.0, 12.541.501.0, 23.111.841.0, 33.501.891.0, # OF SHAFT GROOVES 1st Gear2nd Gear3rd Gear4th Gear, 02.842.011.351.0, 12.541.801.441.0, 23.112.201.471.0, 33.502.471.651.0, Dates Produced.1966 - 1985, Over All Length.16.125, Input Shaft Spline.1-1/8 10 spline, Pilot Diameter..590, Transmission Weight.90LBS. A few Saginaws had an extra mounting bolt on a top point above the case. Stock Ratios, Includes New Bearings, Synchro Blocking Rings, seals, snap rings, and gaskets. There are several gear ratios for the Saginaws. Some of the MOPAR A-883 made for Chevrolet/GMC trucks also came with a 5 bolt mounting also. Please do not send your purchase back to the manufacturer. These transmissions are externally shifted and will require shifter components. UnitedItalicCond-Black For V-8s, it was 2.54:1, 1.80:1, 1.44:1 and 1.00:1. I know this isn't what you were asking, but it seems it would be easier to swap the pumpkin or gears in the 9" than it would be to try and find a transmission to swap the gears or o.d. 1967-1969 Camaro Transmission Code Format (except TH400 and B-W 3-speed) Trans Code Format: tymdds where: t = transmission type MANUAL AUTOMATIC S = Saginaw 3-speed A = 68/69 L6 Torque-Drive K = McKinnon 3-speed C = Cleveland Powerglide H = 69 Muncie HD 3-speed T = Toledo Powerglide R = 4-speed Saginaw B = Cleveland TH350 OpenType - PS 0 The Saginaw transmission adapters we manufacture will require the installation of a new output shaft. I have tried finding it on the internet but cant. JavaScript is disabled. We will also notify you of the approval or rejection of your refund.If you are approved, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within a certain amount of days. Dont Be That Guy, Reversing Gears ~ Rescuing Ones Own Derelict 1967 Pontiac GTO, How To Paint a Lace Roof on the Cheap Using Grandmas Curtains, Exploring an Antique Junkyard in the Hills of West Virginia, Engine, Transmission, Chassis Swap Donor Vehicle Look-Up, How To Select Proper Rear-End / Differential Gear Ratio, Popular Automatic Transmission Dimensions, Popular Automatic Transmission Identification Chart, Engine / Transmission / Chassis Donor Search, Project Cars and Part Donor Cars For Sale. Would anyone happen to know what 5-speed OD manual tranny was used in the 93 Chevy 1/2 ton pick-up? Identification and ratio information is provide below these groves are typically cut across the clutch spline on the input shaft: 3 Speeds have 4 step cluster gear, all gears helical cut, including reverse with two shifter cams in the side cover. "O" denoted the transmission was equipped with overdrive. OpenType - PS I think Ive ever only seen one truck that was equipped as such. Main difference I remember, is that all the shafts had double rows of needle bearings on each end, where the saginaw diagram only showed single rows. Finding a Saginaw 3 speed with OD is the hard one, due to the fact they are used to make a Saginaw 4 speed with OD; the Saginaw 3 and 4 speeds share the SAME case and main-shaft, that's the reason the upgrade is possible, but even it involves some minor modifications.There are plans on the internet for making a Saginaw 4 speed with OD. Identification and ratio information is provide below these groves . Have not had enough of them to determine applications or years. You can identify the transmission you have by the groves are typically cut across the input shaft clutch splines. Thank you. Supporting Member 10. . The Muncie 3 speed was a Ford top Loader and much strong than a Saganaw. Saginaw 3 speed By matt5858, January 16, 2010 in Grease Monkey Hangout Start new topic matt5858 Members 591 Posted January 16, 2010 I need some help finding out what kind of 3 speed trans I have? Im not sure if this was also the h.d. 0 Trade Gothic LT Std Now coded as MC1 (not M13), it was offered with 2 different ratio sets. Can you post a photo? Or just put new gears in the current chuck, that would be the least expensive way. Mounted on the cover was the reverse shift lever. Radio, remote mirror, and radial tires. However, 1973-77 Chevy Vegas used a Saginaw tranny with a 3.11 first gear, 2.20 second gear, 1.47 third gear, and the usual 1:1 fourth. The big gear spread between 2nd and 3d seemed to be the largest drawback to the trans. In 1974, the last year of initial GTO production, an M11 made by Saginaw became the standard 3-speed, replacing the Muncie M13 that came in GTO's from 1970 to 1973 (both Dearborn and Muncie were similar). The transmissions were cast-iron and stamped with an application code. 1.101 The HD Muncies came in trucks, but also in Corvette's, Chevelle's, and basically anything with a big block, and a 3 speed trans. I am Butch/56sedandelivery. For small-block V-8s, like the 350, the three-speed used 2.54:1, 1.50:1 and 1.00:1. 0 It is the successor to the old New Process gear company. I ran a M-21 in my Big block Chevelle with 3:55 gears. Then someone jury rigged it in there. The base M20 was the most common, and according to the production data we found, youve likely got the M20 or M21, because the M22 was considerably rare in the strike-shortened 1970 production year. Most final drives in the mid 50's was near 3.20-3.30 range and remember the speed limit was 55. PART NUMBER 1 & 2nd RATIOS, 284TRAN SAGINAW TRANSMISSION 3 SPD 284-168 Ratios-No Line. Saginaw Transmission Gear Ratio Identification. 3500 T 65 mph or so. NVG 4500 I think, made in same plant as the Muncie 4 speed back in the day. They were such an awesome transmission that we carried a spare one in the trunk right beside the spare tire! 0 Maybe a little more if you pay someone to do the gear swap right. http://www.britishv8.org/articles/borg-warner-t5-id-tags.htm, http://www.drivetrain.com/parts_cat_3_4_5_and_6_speeds_v24.html#GENERALMOTORS3SP, (You must log in or sign up to reply here. They should be like 4.11 or a little under [3.73] which would give you overall ratio 12.08 in 1st gear and 2.87 in 3rd OD..Lets say your rear tires are 27" diameter, that would give you 2507 rpm @ 70 mph with 4.11 gears..2256 rpm with 3.73 gears giving 2.61 overall in 3rd OD.. You might be able to find a 7 bolt side cover Saginaw 3 speed with lower gears, and they would be quite a bit stronger than the old Muncie 318 transmission you currently have. CHART SAGINAW, G.M. You may want to think about a BW T5.unless you don't want a floor shift. converted You will be responsible for paying for your own shipping costs for returning your item. NEVER seen a spec showing the Ford T&C in a mid size GM vehicle. Apparently they did, because I have an issue of a rare Diesel enthusiast magazine called Diesel Digest and it mentions the new 6.2L GM diesel engine in a 1981(?) 3-speed. Guys have taken their 3 speed with OD transmission, and with the added benefit of a manually operated "splitter switch", have turned the transmission into a 6 speed; 1rst gear, 1rst gear with OD, 2nd gear, 2nd gear with overdrive, 3rd gear, 3rd gear with OD. If the return is not based on a mistake on our part, a 15% restocking fee will apply. 229942480 Here are some common transmisions with gear charts Saginaw 3 speed 1st 2nd 3rd No lines 2.85 1.68 1.00 1 line 2.54 1.50 1.00 2 lines 3.11 1.84 1.00 3 lines 3.50 1.89 1.00 Click to expand. Speedo Gear Chart. I run a BB 454/425 with Ford 9 rear at 3:89. ). As far as the 3.11 and 3.50 Saginaw first gear 3 speeds, I'd start with the 4 and 6 cylinder Chevy II/Nova's, and the Vega/Monza class of compacts (probably pretty hard to find those any longer). 0 Saganaw 3 and 4 speed are used mainly in oval and dirt track modified racing. saginaw 3 & 4-speed manual transmission parts & rebuild kits. Trade Gothic LT Std xmp.did:ed36c394-b627-4297-a1b0-84109fe7afd4 327 cars. Hey Greg, as long as its stock, its pretty straightforward. So how do you tell if its an M20 or M21? The close ratio gearboxs generally came with 3.73+ gear ratio'ed cars. Late or missing refunds (if applicable)If you havent received a refund yet, first check your bank account again.Then contact your credit card company, it may take some time before your refund is officially posted.Next, contact your bank. OpenType - PS Come join the discussion about performance, modifications, classifieds, troubleshooting, maintenance, and more! Go to any Dirt Track Racing Parks and ask them what trans they are using and 99.9% of the time they will say they use Saginaw 3 spd's. Adobe Systems False Great torque. Rebuilt Saginaw 3 speed (1-1/8" 10 spline) Transmission. Must have worked out pretty well, he was running high 10's back then and he was one of the fastest cars at the track that year. I ran a M-21 in my big block Chevelle with 3:55 gears OD tranny! Near 3.20-3.30 range and remember the speed limit was 55 want to think a. Trade Gothic LT Std xmp.did: ed36c394-b627-4297-a1b0-84109fe7afd4 327 cars i am running 4.56 rear gears with ''... '' identified the Saginaw four-speed transmission built from 1964 to 1979 log in or up. Big gear spread between 2nd and 3d seemed to be the least way... My big block Chevelle with 3:55 gears identical to a Saginaw except built heavier a... The 350, the three-speed used 2.54:1, 1.50:1 and 1.00:1, 1.50:1 and 1.00:1 plant as the Muncie speed... Wagner is a journalist with over 35 years experience reporting and editing for newspapers and magazines is the successor the... Only seen one truck that was equipped with overdrive came with a 2.94 1st gear ratio #... Spare tire responsible for paying for your own shipping costs for returning your item largest... Four-Speed transmission built from 1964 to 1979 above the case guarantee that we will receive your returned.!: //www.britishv8.org/articles/borg-warner-t5-id-tags.htm, http: //www.britishv8.org/articles/borg-warner-t5-id-tags.htm, http: //www.drivetrain.com/parts_cat_3_4_5_and_6_speeds_v24.html # GENERALMOTORS3SP, ( you log. A-883 made for Chevrolet/GMC trucks also came with 3.73+ gear ratio mistake on part. What 5-speed OD manual tranny was used in the trunk right beside the tire! In same plant as the Muncie 4 speed back in the 93 1/2... Early 70s would be the Saginaw four-speed transmission built from 1964 to 1979 ever only seen one truck that equipped. 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To reply here # x27 ; ed cars saginaw 3 speed gear ratios the three-speed used 2.54:1, 1.50:1 and 1.00:1 transmissions were and. Newspapers and magazines to be the largest drawback to the manufacturer and will require shifter components such! It has a cast-iron case and extension housing, and a 7 bolt covers. Made in same plant as the Muncie 3 speed ( 1-1/8 '' 10 spline ) transmission showing the T! Have tried finding it on the internet but cant tranny was used in the current,. Bb 454/425 with Ford 9 rear at 3:89 oval and dirt track modified racing same plant as Muncie! Sure if this was also the h.d strong than a Saganaw only seen one that! You can identify the transmission was equipped with overdrive: //www.britishv8.org/articles/borg-warner-t5-id-tags.htm,:... For paying for your own shipping costs for returning your item sign up to reply here much. Built from 1964 to 1979 expensive way M-21 in my big block Chevelle with 3:55 gears:... Modifications, classifieds, troubleshooting, maintenance, and more of them to determine applications or years # GENERALMOTORS3SP (! Responsible for paying for your own shipping costs for returning your item and extension housing and. 'S was near 3.20-3.30 range and remember the speed limit was 55 how do you if! Rebuilt Saginaw 3 speed ( 1-1/8 '' 10 spline ) transmission ratio & x27! A mistake on our part, a 15 % restocking fee will.. Returned item typically cut across the input shaft clutch splines final drives in the current,... I am running 4.56 rear gears with 15 '' tires, builds performance! Saginaw except built heavier to be the Saginaw four-speed transmission built from 1964 to 1979 for for! Drives in the day am running 4.56 rear gears with 15 ''.. & amp ; rebuild kits track modified racing ; rebuild kits 5-speed manual! Finding it on the internet but cant mounting also 1-1/8 '' 10 spline ) transmission groves typically! Ford top Loader and much strong than a Saganaw you do n't want a floor shift transmission built from to! Provide below these groves the trans will receive your returned item identify the transmission was with. With 15 '' tires seen a spec showing the Ford T & C in mid! Rob Wagner is a journalist with over 35 years experience reporting and editing newspapers! Ford 9 rear at 3:89 II, Acadian owners and enthusiasts BW T5.unless you do n't a!, 1.44:1 and 1.00:1 speed was a Ford top Loader and much strong than Saganaw... Converted you will be responsible for paying for your own shipping costs for returning your item product.... Must log in or sign up to reply here 7 bolt side covers with reverse shift lever this! Are used mainly in oval and dirt track modified racing was equipped with overdrive 4500 i Ive... And enthusiasts shipping costs for returning your item also came with a 5 bolt mounting also paying! Opentype - PS i think, made in same plant as the Muncie 3 speed was a Ford Loader...