Rebuild advice - The 1947 - Present Chevrolet & GMC Truck Message Board Network

Haru · 05-09-2017, 04:32 PM

So, I want to rebuild the 400 big block or at least I think I do and the TH400 transmission. Nothing insane but maybe 450 HP or so. The other option would be to throw another tranny and engine from something newer but I kind of want to keep #'s together.

I was thinking EFI but I don't know where to start. I assume a top end kit and some pistons, get the block to a machine shop to be checked out and cleaned up. Any suggestions on heads/top end kit, EFI and what to do to the transmission and perhaps the rear end?

I should add on a budget and I'd like to drive it often and last a long while

05-09-2017, 04:32 PM	#1
Haru Registered User Join Date: Apr 2017 Location: Sacramento, CA Posts: 53	Rebuild advice So, I want to rebuild the 400 big block or at least I think I do and the TH400 transmission. Nothing insane but maybe 450 HP or so. The other option would be to throw another tranny and engine from something newer but I kind of want to keep #'s together. I was thinking EFI but I don't know where to start. I assume a top end kit and some pistons, get the block to a machine shop to be checked out and cleaned up. Any suggestions on heads/top end kit, EFI and what to do to the transmission and perhaps the rear end? I should add on a budget and I'd like to drive it often and last a long while Last edited by Haru; 05-09-2017 at 04:40 PM.



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