Thread: 62 gmc ho33?
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Old 12-04-2014, 03:58 AM   #8
62jimmy
Registered User
 
Join Date: Dec 2014
Location: peoria, il
Posts: 112
Re: 62 gmc ho33?

Quote:
Originally Posted by Clyde65 View Post
If it were me, I would run it with the LSx and OD trans, but if your using a TH350/400, your gonna be loud at highway speeds.

There really isnt much parts available and what is is expensive. I would consider a 12 bolt and reweld the axle mounts.
Im wanting to run a tremec 5 speed, I actually got a smokin deal on a complete vortec crate motor for it tonight, so I guess the LS motor will have to wait for another day. Is/was there even a Posi available for the HO33??

Quote:
Originally Posted by Pappyx3! View Post
Welcome Jeremy, Let's see some pics!

I'm in the process of doing the 12 bolt conversion on my 62 now. Found a used rear w/ 3:07 gear ratio. Used CaptainFab's axle perches, would highly recommend them to anyone who is doing the conversion.

As far as how that HO rear would hold up to the horsepower. My truck has a 383 stroker in it with a TH400. It stood the all the abuse my son could give it! To what Clyde65 says about being loud, at 55mph I'm taching 2800-3000 rpm's, with flowmaster 10's on it you can't hear yourself think.
I will try to get some pics of the trucks posted, the 62 is just a roller, almost completely rustfree. It came out of texas still has its last plates on it from 1988. The guy I bought it from said he bought it for the engine because it had a 348/4speed in it. It's not much to look at now because unfortunately he shot it all in primer. The frame still has much of the original paint on it and the floors and rockers are unbelievable, don't see stuff this solid in IL very often. Don't get me wrong, its no cream puff, it has plenty of dents/dings and has been worked hard, but perfect for what I want to do. Right now I have been searching for a way to remove the primer, because I would love to run it with its original 50 year old paint.
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