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Witch 454 is better?
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Topic: Witch 454 is better? (Read 2322 times)
454c10
Newbie
Posts: 50
Newbie
Witch 454 is better?
«
on:
February 04, 2015, 09:53:05 PM »
I have a 1984 454 outa a rv or a 1976 gmc that has a 454 im not posative if its a 70s 454 but hope it is what would be better to build or whats the pros and cons?
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Shifty
Junior Member
Posts: 948
I bleed Bowtie red...
Re: Witch 454 is better?
«
Reply #1 on:
February 05, 2015, 11:37:12 AM »
Either would be fine for a build, I'd just watch for core shift on the 70's block.
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87 V20 Standard Cab Longbed (current)
87 R30 3+3 Longbed (days of yore)
98 C2500 ext cab longbed
Engineer
Senior Member
Posts: 1402
Re: Witch 454 is better?
«
Reply #2 on:
February 05, 2015, 06:29:15 PM »
If either one is a 4-bolt main that is the one I'd build.
The '76 will most likely have better breathing heads.
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2002 Chevy 2500HD 4x4 8.1/ZF6sp RC/LB
2001 Chevy 2500HD 4x4 6.0/4L85E EC/SB
1997 Chevy Blazer 4x4
1994 Chevy K-2500 4x4 C6P 5.7/4L80E
1979 Chevy K-30 4x4 4sp 4.10
1977 Chevy K-30 4x4 4sp 4.10 454
Dad of an Eagle Scout, and a Life Scout
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Witch 454 is better?