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Old 01-24-2014, 09:56 PM
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Transmission direct to rear end.>?

Hi all,
I have been brainstorming a idea for a sbc in a s10, and i was wondering
i think it would be neat to mid or rear mount it , but could i use ...say a th350- or whatever choice trans, and have it direct mount to the rear end?..or what would be the shortest possible driveshaft i could get away with, would there be balance, vibration issues?...

i cannot find anything on this, anywhere?..
i can also get a good deal on a transaxle from a porsche, it has an adapter for a sbc also comes with a sbc motor already too, but i dont know what axels i would go about using with it?...or even how to use that in the rear of a vehicle other than a fiero?...

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Old 01-24-2014, 10:11 PM
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Oh my
Oh my goodness!

My first instinct is to tell you to think about a *Woods* coupler, but even that needs 7 thousands alignment if you go direct. A woods coupler is a coupler made up of steel plates sandwiched together to forgive some misalignment and
help absorb vibration. Might work, alignment might kill a guy though if your not used to doing alignment.
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Old 01-24-2014, 10:15 PM
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ok , so what about a short shaft?...say like less than a foot long, ...depending on the amount of room in the rear of the truck?..

Its just something different that ive always pondered about.......
hmmm
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Old 01-24-2014, 10:46 PM
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One problem I see is the rear axle moves. The transmission and engine usually are pretty solidly mounted in the car.
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Old 01-25-2014, 12:12 AM
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It can work. The Chevrolet Cheetah used a Corvette rear end that was direct coupled to the transmission.
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Old 01-25-2014, 06:31 AM
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agree with 327 on this..

my tbucket had about 18" shaft and no problem.. i'd say go with a IRS (vette) and u can make the shaft as short as u want..
or... find a front eng front wheel drive car and mount that. seen it in a pick up last yr.
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Old 01-25-2014, 07:05 AM
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Use a '66 to '76 Toronado or Eldorado transaxle. You can mount a 350 Chevy to them and the whole mess is all together as a unit, not some strung-out, cobbled-up arrangement. The track will be too wide for the bed of the S10, so split the bed down the middle and make it wider, using filler sheet metal to span the gap. Where the bed is wider than the cab, cut out the front of the bed on each side and make air intakes for the bed-mounted radiator that is coupled up with the motor exactly as it was stock. Mount a fuel tank up front where the S10 motor used to be.

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Old 01-25-2014, 07:16 AM
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Quote:
Originally Posted by techinspector1 View Post
Use a '66 to '76 Toronado or Eldorado transaxle. You can mount a 350 Chevy to them and the whole mess is all together as a unit, not some strung-out, cobbled-up arrangement. The track will be too wide for the bed of the S10, so split the bed down the middle and make it wider, using filler sheet metal to span the gap. Where the bed is wider than the cab, cut out the front of the bed on each side and make air intakes for the bed-mounted radiator that is coupled up with the motor exactly as it was stock. Mount a fuel tank up front where the S10 motor used to be.

.
__I saw a 36 , i believe , Pontiac coupe done that way. They had a long trunk area , lift the trunk lid and there it was,looked good. Air intakes to the radiator and louvers in the trunk lid to let hot air out. Fuel tank and storage in front under the hood.



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Old 01-25-2014, 07:55 AM
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i have thought about the IRS idea, but i dont know which axels i would use to that transaxle, same issue i have with the porsche transaxle i have access too, its already mounted to a sbc, so i know they work together. but unfortunatly the rest of the parts of the porsche like the irs and axles and all arent available, which other axels would work in that T-axle?........ i guess id hafta research it?, or is there a way to make it universal?
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Old 01-25-2014, 07:56 AM
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Quote:
Originally Posted by delawarebill View Post
my tbucket had about 18" shaft and no problem.. i'd say go with a IRS (vette) and u can make the shaft as short as u want..
or... find a front eng front wheel drive car and mount that. seen it in a pick up last yr.


Any issue with the 18" driveshaft? and special work done between the trans and rear diff to make this work right?.... what kind of issues did you run into?...
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Old 01-25-2014, 08:03 AM
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Even with no drive shaft, I would think that your engine would be sitting in the cab. I would go the Olds transaxle route
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Old 01-25-2014, 08:27 AM
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The Olds T-425 transaxle requires a remote oil filter for the SBC engine.

Been there- done that with my FWD 1970 Chevelle
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Old 01-25-2014, 09:09 AM
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I ran a 13'' shaft with no problem's in my 32,,
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Old 01-25-2014, 03:07 PM
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Qcta

My brother had a printing business in the 70's and published some stuff for Don Francisco, who wrote a lot of articles for Hot Rod. Don came up to see the first copies driving a SBC in a porsche. My brother printed some adds for an IRS trans axle that used borg warner T 10 gears and had a quick change set up on the back.
This might be the one.
http://www.gt40s.com/forum/279147-post36.html
more trans axles
http://www.weismann.net/newproducts.htm
http://www.gt40s.com/forum/gt40-tech...transaxle.html
http://corvaircenter.com/phorum/read...,314714,page=3
https://griffingearboxes.com/Mid-Engine_Transaxles.php
http://weddleindustries.com/transaxl...ins-st6-series
http://www.gearboxfactory.co.nz/transaxle.htm
http://www.off-road.com/trucks-4x4/s...les-23693.html

Last edited by timothale; 01-25-2014 at 03:33 PM.
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Old 01-25-2014, 03:51 PM
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