LQ9 or LS6 Heads
01-30-2006, 07:44 PM
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LQ9 or LS6 Heads I have a 408 6.0L and two sets of heads 243's and 317's I am looking at trying to get 10.5 to 1, I have a LS6 intake,LT and my cam is comp cam 236 578 on 112. Just looking for the best combo what do you all think.... And do you think 450rwhp 450rwtq is asking to much from this combo...
01-31-2006, 08:04 AM
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Hi there are several variables that will affect Compression, gasket thickness, pistons dome or dish, chamber cc, deck hight, head milling, bore and stroke. I have done a 408 stroker so all things being equal using 64cc LS6 heads and MLS gasket 0.055 you would need -11cc dish type pistons to end up with 10.5:1 now using 71cc LQ9 heads same set up you would need -4cc pistons. the question is how would the two pistons compare for quench and combustion.
My thoughts may be other can answer on quench and combustion. ???
cheers
My thoughts may be other can answer on quench and combustion. ???
cheers
