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| | | | Joined: Mar 2007 Posts: 24 Wrench Fetcher | | Wrench Fetcher Joined: Mar 2007 Posts: 24 | I want to put a 5-speed in my 57 3100 which presently has a 3-speed with a 235 six (for better mileage and lower RPM). I see that a T-5 out of a mid 80's S10 is recommended. How can I tell what tranny is a T-5? Were the same T-5's in both mid 80s 4 cyl and 6-cyl S-10s? Thanks!
Two 1957 Chevy Step Sides
1988 Fiero Formula
1987 Fiero GT
1984 Fiero Indy
... yes I like Fieros also..
;-)
| | | | | Joined: Sep 2003 Posts: 1,820 Shop Shark | | Shop Shark Joined: Sep 2003 Posts: 1,820 | Look for mid 80's. There is a chart on the Inliners web site showing all of the gear ratios for the various T-5's. Joe 
"Truckin' Around .......... Since 1937!" My name is Joe and I am addicted to Classic Country Music. I just can't hep myself.Operators are standing by to take your calls! Now cruising in the Passing Lane | | | | | Joined: Feb 2001 Posts: 4,095 'Bolter | | 'Bolter Joined: Feb 2001 Posts: 4,095 | be careful that you don't get one that has the electonic sending unit for the speedo, expensive to adapt. ron
Ron, The Computer Greek I love therefore I am.1954 3100 Chevy truckIn the Gallery 2017 Buick Encore See more pix1960 MGA Roadster Sold 7/18/2017
| | | | | Joined: Jun 2004 Posts: 8,597 Riding in the Passing Lane | | Riding in the Passing Lane Joined: Jun 2004 Posts: 8,597 | There is a lot of info on this websight about this. There is a tag on a bolt that holds the rear housing to main housing. It has a number on it starting with 1352- The next 3 numbers are what identifies it. Like 1352-145. (the most common). 88 up had an electrical speedo drive & unless you are using custom gauges is hard to adapt like WE OLD says. The T-5 bolts to a bell housing. There were some trucks that had a trans. with the bell built in. That won,t work. Some early 80,s were 4 speeds, so watch the gear shift knob. If the knob is gone try shifting to 5 gear. Way over to the right & up. Go to www.mongosgarage.com for ID's.
They say money can't buy happiness. It can buy old Chevy trucks though. Same thing. 1972 Chevy c10 Cheyenne SuperIn the Gallery Forum | | |
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