5.3 heads on 408?
06-21-2008, 09:23 PM
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5.3 heads on 408? Ive done a few searches and havnet realyl found much out..
Ive got (what im told are) GTP stage 2 LS1 heads
Ive also got some 5.3 heads that appear to be CNC ported(im going to flow them both this week)
Going on an ~11.8:1cr 408 with a TSP 231/237 cam, ported fast 92.
I will choose head gaskets accordingly to keep my cr around that point, so which heads would be the better set? whichever flows better?
Ive got (what im told are) GTP stage 2 LS1 heads
Ive also got some 5.3 heads that appear to be CNC ported(im going to flow them both this week)
Going on an ~11.8:1cr 408 with a TSP 231/237 cam, ported fast 92.
I will choose head gaskets accordingly to keep my cr around that point, so which heads would be the better set? whichever flows better?
