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'81 tranny change

  
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'81 tranny change

 
justgoeasy justgoeasy
New User | Posts: 2 | Joined: 06/08
Posted: 06/06/08
12:29 PM

I have an '81 C3 that my son bought for a song a couple of years ago as a project car for us. It has the old 3 speed automatic in it. We've souped the engine and in teaching him that it doesn't matter what you do to the engine to soup it up, it's not going anywhere without the right tranny and maybe different gears in the rear. Does anyboby have a suggestion as to a tranny change we could make to get some speed pasat 85mph? Obviously, now days, we'd want some fuel economy also.  Thanks!  

 
coolvette coolvette
New User | Posts: 1 | Joined: 06/08
Posted: 06/06/08
02:55 PM

Might want to try Keisler transmissions. http://www.keislerauto.com
They have a few options available that should slide in for you.  

 
SportsCarsUnlimited SportsCarsUnlimited
User | Posts: 74 | Joined: 03/08
Posted: 06/07/08
10:22 PM

Hello.
A 700R4 from a 1982 TO 92 Corvette is what you need. All you need is the transmission cross member, drive shaft and tail shaft housing from a 1982 Corvette, And then any 700R4 transmission will work, Just bolt it in, The over drive will make a big difference in fuel economy.
David Steele.  
Your One Stop Corvette Shop!

 
justgoeasy justgoeasy
New User | Posts: 2 | Joined: 06/08
Posted: 06/11/08
03:23 AM

Thank you for the info. I'll check it out.  

 
dcvmax dcvmax
New User | Posts: 3 | Joined: 10/08
Posted: 10/11/08
04:54 PM

hi,I have a 78' project with a 90' 350 and 700r in it that still needs some work and was curious if you used the 700r like someone suggested.  

 
billlee billlee
New User | Posts: 3 | Joined: 10/09
Posted: 10/14/09
11:30 PM

david,
I'm planning on installing a 700r4 from my 85 t/a in my 81 vette, you said i'll need a tail housing from a vette 700r4, is this correct?  

 

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