6066 (1960-1966) GMC Truck Club

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-   -   Just bought a 1964 GMC truck, need motor (https://6066gmcclub.com/showthread.php?t=49361)

kru_s May 4th, 2016 06:38 PM

Just bought a 1964 GMC truck, need motor
 
:helpsign:I just bought a 1964 GMC Long bed with a inline 6 it needs some work on the motor. So how hard would it be to put in a 383 with a TH350 tranny? Also would it be worth it or not? Any comments are welcomed.
Mark

jturk May 5th, 2016 01:12 PM

Re: Just bought a 1964 GMC truck, need motor
 
Actually a 383 and 350 trans installs pretty easily. You'll need some V-8 engine stands from the crossmember to the frame and a new transmission mount relocated for the trans length. Finally you'll probably need to have the driveshaft length changed. One thing to consider would be to find a GMC big block V-6 either 305 or 351 with the same trans and its adapter. Think that would be a real good combo. Just food for thought. Good luck and let us know how it goes.

TJ's GMC May 5th, 2016 09:09 PM

Re: Just bought a 1964 GMC truck, need motor
 
351 V6 with the 4 barrel mod and dual 3 inch exhaust would be the bees neeze! Careful cause putting a chevy motor in a GMC is a sin round here. ;)

bigblockv6 May 5th, 2016 09:57 PM

Re: Just bought a 1964 GMC truck, need motor
 
Quote:

Originally Posted by TJ's GMC (Post 61756)
351 V6 with the 4 barrel mod and dual 3 inch exhaust would be the bees neeze! Careful cause putting a chevy motor in a GMC is a sin round here. ;)

In the past we have been a lot easier with members that had trucks originally with the inline six since it was a Chevy being replaced with a different Chevy engine:teehee: Only when someone pulls out a GMC V6 to replace with a Chevy get slammed. idea a bigger V6 though of at least 351-401 and 4bbl is a great idea:upyes:

TJ's GMC May 6th, 2016 06:49 AM

Re: Just bought a 1964 GMC truck, need motor
 
Quote:

Originally Posted by bigblockv6 (Post 61759)
In the past we have been a lot easier with members that had trucks originally with the inline six since it was a Chevy being replaced with a different Chevy engine:teehee: Only when someone pulls out a GMC V6 to replace with a Chevy get slammed. idea a bigger V6 though of at least 351-401 and 4bbl is a great idea:upyes:

There's that 401 for sale in Kansas taunting me in my dreams. It ain't no fair I tell ya!!!!! :noway:


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