what heads do i use here
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Joined: Feb 2002
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From: sebastopol ca
what heads do i use here
my buddy has a 69 chevelle and he's gonna drop a zz4 in it and he's looking for about 440 hp at the crank. we decided to buy a zz4 with a hot cam
thats: Duration - I: 218° E: 228° @ .050" Tappet Lift
Lift - I: 525 E: 525 with 1.6 rocker
use a holley 750 and an RPM air gap intake. heads don't flow quite well enough nor are the valves big enough so we were wanting to know some good aluminum heads that flow better and have bigger valves than stock zz4 heads. If any of you have built a similiar motor or know of a good set of heads for this application, please tell me :cheers:
thats: Duration - I: 218° E: 228° @ .050" Tappet Lift
Lift - I: 525 E: 525 with 1.6 rocker
use a holley 750 and an RPM air gap intake. heads don't flow quite well enough nor are the valves big enough so we were wanting to know some good aluminum heads that flow better and have bigger valves than stock zz4 heads. If any of you have built a similiar motor or know of a good set of heads for this application, please tell me :cheers:
