Can you post a photo? 22-24T .870 diameter gears must be used with a 1.76 OD speedo drive gear. 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). Saginaw three-speed transmissions featured gear ratios of 2.85:1 for first, 1.68:1 for second and 1.00:1 for third when matched with L6 in-line six-cylinder engines. I am Butch/56sedandelivery. 0 CHART SAGINAW, G.M. I ran a M-21 in my Big block Chevelle with 3:55 gears. 2016-11-14T15:32:50-08:00 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 any opinions Because the Muncie has so much in common with the T-10 and even similar Saginaw boxes, it is easy to get this guy mixed up with non-Muncie units. Saginaw three-speed transmissions featured gear ratios of 2.85:1 for first, 1.68:1 for second and 1.00:1 for third when matched with L6 in-line six-cylinder engines. To determine the factory gear ratios for transmissions, count the number of groove lines on the input shaft. http://www.chevelles.com/shop/ss_ident.html, http://www.auto-roundup.com/index.php/gto-3-speed-transmission. 2771965578 The MC1 was offered on 1969 Chevelles (350 V8-up versions used the 2.42:1 low), not at all in 1970, then in 71-72 just behind 402 in Chevelles (rare). 1 0 obj <>>> endobj 2 0 obj <>stream How important is keeping the overdrive? Adobe Systems The gears were fully synchronized and the synchro rings had 30 teeth. Click the link! Were sorry if you love a particular transmission not shown on this list. He told me he did not feel the need for the extra gear and the 3 speed was an HD out of the truck with the deeper 1st gear to launch the car better, with a cast iron case it was much stronger than the aluminum 4 speeds of the day. The Muncie 3 speed was a Ford top Loader and much strong than a Saganaw. A Saginaw with NO lines on the input shaft has a 2.85 first gear, 1.68 second, third is direct; 1 line is 2.43, second 1.50, and third direct; 2 lines is 3.11, second 1.84, and third direct, and lastly, 3 lines 3.50 first, 1.89 second, and third direct. This is a GM light-duty car transmission used from 1966-1985 model years. TRANSMISSION GEAR RATIO: 1ST: 2ND: 3RD: 4TH: REV: Saginaw 3-speed w/overdrive *=locked in O.D. Helvetica LT Std 3500 T 65 mph or so. Additional non-returnable items:* Gift cards* Downloadable software products. 4-SPEED TRANSMISSION I.D. ALL of these older, 3 speed transmissions with OD have a Borg Warner overdrive unit attached to them, they are not Borg Warner transmissions, although one particular make (not GM) did use a Borg Warner transmission plus the Borg Warner OD. 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. 0 Like what I posted above the "stamping numbers & letters he posted/showed were M3E07A broken down for what each letter & number is, M= Muncie, 3= 1973, E= May, 07 is 7th day of month, a= shift or A shift. ShippingTo return your product, you should mail your product to: CircleTrackSupply.com304 5th Creek Road, Statesville, NC, 28625, United States. default 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. 2771965578 If no transmission option was selected, this was the transmission installed. The Muncie also has a 7 bolt side cover; however, the Muncie reverse lever is found in the extension housing and features an aluminum case. Probably a rare console plate now. OpenType - PS 1st gear all the way up to about 4.03 or such. 1199565182 uuid:503d70e0-d27a-5247-99e8-eda0f0fa8dbd Now coded as MC1 (not M13), it was offered with 2 different ratio sets. (455) 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. 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 . Rebuilt Saginaw or Muncie transmissions, 3 speed (1-1/8" 10 spline) with new bearings, seals, snap rings, and gaskets.. We deliver worldwide and to almost all countries. . . There are no comments yet. Weve assembled a variety of manual gear ratio charts for General Motors vehicles that we hope can help you avoid choosing the wrong transmission only to discover your hot rod or truck is performing like a 19th-century horse-drawn chuckwagon, minus the delicous beans and salt pork. Sale items (if applicable)Only regular priced items may be refunded, unfortunately, sale items cannot be refunded. TradeGothicLTStd-Light 0 The special 3-speed H.D. Most common was the 2.42:1 low (same 1st ratio as the Dearborn) but there was also a 3.03:1 low for use on lower torque engines (307-down). A forum community dedicated to all Chevy Nova, Chevy II, Acadian owners and enthusiasts. add to cart. GM Saginaw transmission ratio identification GM Saginaw transmission ratio identification # of grooves 1st 2nd 3rd 4th Notes: 0 2.85 2.02 1.35 1.00 1 2.56 1.81 1.37 1.00 Third gear on cluster has 25 teeth 1 2.56 1.81 1.44 1.00 Third gear on cluster has 21 teeth 2 3.11 2.20 1.47 1.00 3 3.50 2.48 1.65 1.00 xmp.did:ed36c394-b627-4297-a1b0-84109fe7afd4 There was also a 3.50-low Sagnaw 4-speed, but I have NO idea of the app. The close ratio gearboxs generally came with 3.73+ gear ratio'ed cars. Real World Hagerty Collector Car Insurance Claim Experience, How To Be Prepared For A Dyno Session And Not Waste Your Money, Holey Goat Father/Son Texas Road Trip 5 Days, and 2000+ Miles, Are You Killing The Hot Rod Community? When you purchase through links on our site, we may earn an affiliate commission, which supports our community. The Muncie 3 speed was a Ford top Loader and much strong than a Saganaw. Thats pretty short. Thanks. Required fields are marked *. Our policy lasts 30 days. They are light and are used in 500HP and 600HP applications. Standard Saginaw 3-speed transmission Heavy Duty full synchromesh 3-speed Borg Warner T16 delivered as the standard transmission when the SS 396 series was ordered. More to follow, See Also: Transmission Cross Reference Database&lt;br>&lt;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">&lt;br>&lt;script>&amp;lt;br /> (adsbygoogle = window.adsbygoogle || []).push({});&amp;lt;br />, An Online Magazine for DIY Hot Rod Builders. A forum community dedicated to Chevrolet Chevelle owners and enthusiasts. The article claims the Borg Warner was used in some Chevy 6 cyl. NEW! 0 2.030 We make an adapter to mate this transmission to a Jeep Dana 18 or 20 transfer case SAGINAW 3 SPEED: # OF SHAFT GROOVES 1st Gear 2nd Gear 3rd Gear 0 2.85 1.68 1.0 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. 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. Also call us if you are ordering large items like race car bodies as those are hard for the freight system to calculate sometimes and it will overestimate. *Special cases might be returned to the manufacturer*, There are certain situations where only partial refunds are granted: (if applicable)* Book with obvious signs of use* Any item not in its original condition, that is damaged, or is missing parts for reasons not due to our error. Copyright 1995-2021 The Jalopy Journal: Steal our stuff, we'll kick your teeth in. It lists a Saginaw 3-spd. The number of times the engine turns past 12:00 to make one revolution of the drive shaft equals your 1 gear ratio. The first gear ratios are the same for the Saginaw 3 and 4 speed transmissions relative to the grooves on the input shaft. A Saginaw with NO lines on the input shaft has a 2.85 first gear, 1.68 second, third is direct; 1 line is 2.43, second 1.50, and third direct; 2 lines is 3.11, second 1.84, and third direct, and lastly, 3 lines 3.50 first, 1.89 second, and third direct. It was on its 3d motor, and that one was dead when I got the car. . . 0 0 It is a rare application, though. For small-block V-8s, like the 350, the three-speed used 2.54:1, 1.50:1 and 1.00:1. 0 Transmission Gear Ratio Chart ~ Gear Ratios are listed for many popular transmissions. ). 312180356 2016-11-14T15:32:48-08:00 False OpenType - PS Come join the discussion about performance, modifications, classifieds, troubleshooting, maintenance, and more! If you receive a refund, the cost of return shipping will be deducted from your refund. A few Saginaws had an extra mounting bolt on a top point above the case. Come join the discussion about restoration, builds, performance, modifications, classifieds, troubleshooting, maintenance, and more! TradeGothicLTStd-Bold Several types of goods are exempt from being returned. Here is one of many articles, it is something you have to dig for and have a clue or two. FYI if you have a NP440, and your speedo is not calibrated properly, the speedo drive is cut in the mainshaft, the housing can be clocked until the speedo is adjusted properly. Adobe Systems Or just put new gears in the current chuck, that would be the least expensive way. The close . Terms of Service. Shiftrer arms sold separately. Although not used in any Chevrolets as original equipment, the T-85 will replace the weaker Saginaw three-speed with minimal installation problems. They were such an awesome transmission that we carried a spare one in the trunk right beside the spare tire! OpenType - PS It was pretty much identical to a saginaw except built heavier. Typical OD cars had 4.11's in the mid 50's as I remember them especially 6cylinders and V8's had 3.70's. The four-speed matched with the straight-sixes were 3.11:1, 2.20:1, 1.47-to-1 and 1.00:1. Trade Gothic LT Std The four-speed matched with the straight-sixes were 3.11:1, 2.20:1, 1.47-to-1 and 1.00:1. 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. I asked him why he used the 3 speed over the Muncie 4 speed. HelveticaLTStd-BoldCond 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. 1427837077 For small-block V-8s, like the 350, the three-speed used 2.54:1, 1.50:1 and 1.00:1. Adobe InDesign CC 2017 (Macintosh) Great low but not so great highway speed. The 1 groove 3-speed was the standard car tranny in the 70s. xmp.id:69f80f3f-c697-4c96-b645-9f21767701f4 Saginaw 3 & 4 speed, GM T5, Powerglide, 200 & 350 transmissions. The reverse ratio was 3.15:1. Have not had enough of them to determine applications or years. To be eligible for a return, your item must be unused and in the same condition that you received it. Planning a manual transmission swap in your Chevy or GM vehicle? Due to this, the box tends to be noiser (whines or howls almost like a blower, which is why it's called a "rock crusher") than other boxes. For a better experience, please enable JavaScript in your browser before proceeding. Be the first to ask the question! to? Shift ratios were either 2.53 or 2.49:1 for first gear, 1.59:1 for second gear, and 1.00:1 for third gear. applications (351, 390). Hi there VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Custom Made to Order,Transmissions are Non-Returnable and Non Refundable, Double Check RequirementsBefore Ordering. I have tried finding it on the internet but cant. Shipping costs are non-refundable. Copyright 1995-2021 The Jalopy Journal: Steal our stuff, we'll kick your teeth in. Thank you. Some of the MOPAR A-883 made for Chevrolet/GMC trucks also came with a 5 bolt mounting also. Driving 70 now means buzzing it a little. The T5 was produced in a multitude of gear sets, depending on what application it was intended to serve. JavaScript is disabled. application/pdf Hopefully some of you transmission guru's can help. Both versions of the Saginaw transmission featured the case and extension housing sealed with a seven-bolt cover on the side. 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Three-Speed used 2.54:1, 1.50:1 and 1.00:1: 3RD: 4TH: REV: Saginaw 3-speed transmission Duty... Hopefully some of you transmission guru 's can help links on our site, we 'll kick your in... Of gear sets, depending on what application it was intended to serve transmission option was selected this! Our community Journal: Steal our stuff, we may earn an affiliate commission, which supports our community we... Except built heavier V8 's had 3.70 's also came with a 5 bolt mounting also much identical a. On its 3d motor, and more, your item must be and. ; 4 speed transmissions relative to the grooves on the internet but cant Saginaw and! Dead when i got the car Toronto, Ontario, M5V 2H1, Canada you have to for..., your item must be unused and in the mid 50 's as i remember them especially 6cylinders V8. Or years identical to a Saginaw except built heavier can not be refunded, unfortunately, items... Matched with the straight-sixes were 3.11:1, 2.20:1, 1.47-to-1 and 1.00:1 for gear. Is keeping the overdrive highway speed T5, Powerglide, 200 & amp ; speed. X27 ; ed cars of them to determine the factory gear ratios are the same for the Saginaw transmission the! As original equipment, the T-85 will replace the weaker Saginaw three-speed with minimal installation.. Saginaw three-speed with minimal installation problems was used in some Chevy 6 cyl Jalopy Journal Steal... Which supports our community 1 gear ratio, troubleshooting, maintenance, and that one was when! To serve used from 1966-1985 model years Street, Suite 600, Toronto Ontario. 'S can help T 65 mph or so 2.20:1, 1.47-to-1 and 1.00:1 4.11 's in the mid 50 as! Intended to serve mounting bolt on a top point above the case and extension housing sealed a... 1427837077 for small-block V-8s, like the 350, the T-85 will replace the Saginaw. Steal our stuff, we 'll kick your teeth in was dead i.