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10-10-2004 09:30 PM #1
Registered User
- Join Date
- Oct 2004
- Location
- houston
- Car Year, Make, Model: 88 pontiac fiero
- Posts
- 1
7.4 Vortec heads on an early block?
I hear the new Vortec heads are great for torque.... My question is.... Can I bolt Vortec gen 6 heads on a mark IV (1978) 454 short block? What head gaskets should I use? Thanks!
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10-10-2004 10:53 PM #2
CHR Member
- Join Date
- Aug 2003
- Posts
- 1,176
I belive the only difference between the current 496 and older big blocks are the heads, roller cam, and no fuel pump boss. The 496 is a stroked 454/427, I believe the bores are the same. Yeah, if anything, the intake manifold may not fit, but I have heard nothing of the sort.
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i've enjoyed the years here . made a lot of friends. most who have left. i see no reason to continue with this so hope to see you somewhere else. i dont think this site will ever be back. it's lived...
Dead!