High horsepower head gasket question
03-20-2018, 03:20 PM
#1
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High horsepower head gasket question
So I sent my ls block to CSS cnc. They will install the css, bore, and hone it. Jeff offered me 82mm 10:0:1 Arias pistons so he can bore the cylinders to match the new pistons. I will be installing this block with a build B16 head and according to him it will raise the compression to around 10.5:1. I would like to keep the compression as high as possible for this setup. What head gasket can use so that my compression does not suffer much if any? I have always stuck with oem bore sizes and would love to use oem headgasket but haven’t seen it in 82mm. Those who are running sleeved blocks or CSS blocks that are non oem bore sizes, what headgasket are guys running? Thanks
03-20-2018, 04:30 PM
#2
Honda-Tech Member
Re: High horsepower head gasket question
JE Pro Seal is good. I've also used Cometic a couple of times without issue, but I've seen some other people on here say they've had seal issues.
03-20-2018, 07:56 PM
#3
Re: High horsepower head gasket question
Ask the builder their opinion and go from there. Cometic offers custom gaskets though I'm not sure how long the process takes. They DO have a pretty good selection already, but, ya never know!
03-21-2018, 01:44 AM
#5
Honda-Tech Member
Re: High horsepower head gasket question
Skip the cometic reliability issues. Golden eagle makes different bore gaskets, cut from oem headgaskets. I would go that route anything over 81.5mm
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