Looking to Increase Compression ????
#1
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Looking to Increase Compression ????
I have a stock Ls1 with a 232/232 .598 112 LSA and I want to Increase Compresion to stay close to 11:1
I got a set of cometic .045 Head Gaskets and I want to get the heads (241) milled but I don't know how much (.020 or .030) and if I'll need to change the Pushrods to 7.350 or stay with 7.400 ???
Any Help will be Very Apreciated !!!!
Thanks
I got a set of cometic .045 Head Gaskets and I want to get the heads (241) milled but I don't know how much (.020 or .030) and if I'll need to change the Pushrods to 7.350 or stay with 7.400 ???
Any Help will be Very Apreciated !!!!
Thanks
#3
TECH Senior Member
You'll have to measure PTV to make final decision.
I would measure with the Cometics and based on that measurement (intake/exhaust) decide on how much to mill while staying safe.
I would measure with the Cometics and based on that measurement (intake/exhaust) decide on how much to mill while staying safe.
#6
TECH Senior Member
As for the p-rods you'll need to measure with a adjustable p-rod checker and once you have the measurement at 0 lash you add .070>.080 preload on that if you're running stock lifters (or Comp 850-16 for that matter)
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#10
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Forget it !!! To much trouble for a little gain... I'll just mill them 0.010 with the 0.045 Cometic Gasket so I'll not have any PTV problems or Pushrods to change... Thanks for your help anyway !!!