I need some 454 help.
04-23-2006, 10:49 PM
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I need some 454 help. I've been looking all over the net for the HP/TQ specs of a 454 from a 1978 1 ton truck and can't find a thing. Anyone know these numbers? Also, what would be a good combination of parts to make 450RWHP N/A out of this engine? Any help at all is greatly appreciated because I'm clueless.. 
04-27-2006, 01:46 PM
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Originally Posted by Tan327
I've been looking all over the net for the HP/TQ specs of a 454 from a 1978 1 ton truck and can't find a thing. Anyone know these numbers? Also, what would be a good combination of parts to make 450RWHP N/A out of this engine? Any help at all is greatly appreciated because I'm clueless..
You need to get better heads the ones in there for TQ, find the ones with
big intake port, may be mid and early 70s .
04-28-2006, 12:59 AM
#3
It's easy to get 450rwhp from a 454bb. Like aboadnan said, heads would be one of the first things I'd do, then cam, lifters, pushrods, intake and carb. I wouldn't mess with the bottom end unless their is something wrong with it or if your on a budget but it would help too. If your not on a budget then I'd redo the bottom end and bore it a bit. You need to get more air and fuel in the chambers and more compression.
05-05-2006, 10:01 PM
#4
for your heads , you should be able to use a set of 781 big port big valve heads. I have a set that are like new and just replaced them with aftermarket heads. They worked great had a rv cam 781 heads 10-1 comp, mated to a muncie m-20 4 spd with a 342 posi 12 bolt in my 70 chevelle and ran 12.50 on street tires.
good luck with your build.
Les Olson
good luck with your build.
Les Olson