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| | | | Joined: Apr 2004 Posts: 72 Wrench Fetcher | | Wrench Fetcher Joined: Apr 2004 Posts: 72 | Anyone here ever install a mid sixties three speed with OD in a 59 behind a 235? I am going to do this and wonder what any experiences have been. Thanks!!
Last edited by BigSix302; 06/01/2011 3:02 AM.
52 GMC Suburban...52 Chevy 3/4 ton...49 CHevy 1/2 ton Rod...49 GMC 1/2 ton retro rod project
| | | | | Joined: May 2001 Posts: 7,438 Extreme Gabster | | Extreme Gabster Joined: May 2001 Posts: 7,438 | I have one behind a 248 in my burb. I love it. Just got back from a 2427 mile trip. Ran 70-75 every chance I got. | | | | | Joined: May 2006 Posts: 8,351 'Bolter | | 'Bolter Joined: May 2006 Posts: 8,351 | I have one behind a 248 in my burb. I love it. Just got back from a 2427 mile trip. Ran 70-75 every chance I got. Got one in mine as well, probably the best alteration I did besides maybe the radial tires. The trans itself will bolt right up. The only issue I can think of might be the driveshaft, depending on which main transmission and overdrive unit it is. I beleive the later trans (7 bolt cover) is longer than the early trans, there may also be a length differenc from the RH10 (early) and RH12 (late) overdrive units. You may need a shorter driveshaft.
Bill Burmeister
| | | | | Joined: Apr 2005 Posts: 2,097 'Bolter | | 'Bolter Joined: Apr 2005 Posts: 2,097 | We installed the Saganaw 3 sp OD in a 56 3100. No change to the driveshaft length. You will need a fine spline front yoke and make modifications to the shift arms and rods. The early version (55-65) will bolt right in - no mods.
Fred
Last edited by rfs56trk; 06/01/2011 4:41 PM.
1956 3100 Pickup/Red/350/3sp OD/PS/Disc Brakes
1957 Bel Air Sport Coupe/Red/355/TH350/PS/Disc Brakes
2017 Silverado LT Single Cab SB/Black/5.3/6 Speed Trans
1947 Willys CJ2A w/F-Head engine
| | | | | Joined: Apr 2005 Posts: 2,832 'Bolter | | 'Bolter Joined: Apr 2005 Posts: 2,832 | If you die the day after you do this swap there isn't a mortician in the world that would be able to get the smile off your face.
Evan
| | | | | Joined: Oct 2004 Posts: 348 Shop Shark | | Shop Shark Joined: Oct 2004 Posts: 348 | thats a good swap but i like the t-5 better | | | | | Joined: Feb 2001 Posts: 4,095 'Bolter | | 'Bolter Joined: Feb 2001 Posts: 4,095 | I have t-5 in my 54 and have put more than 10,000 miles on it, and love it, 2000 of that in the last month. also i got 18.5 mpg in town and improved 4 lane roads.
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: May 2006 Posts: 8,351 'Bolter | | 'Bolter Joined: May 2006 Posts: 8,351 | The T5 is a good choice, but the SM318 is not only a direct bolt in, but retains the stock shift linkage, no need to cut a hole in the floor for a shifter. It also has the advantage of an automatic kickdown for passing.
Bill Burmeister
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