head gasket and compression ratio
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Honda-Tech Member
Joined: Mar 2018
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head gasket and compression ratio
Hello,
I am assembling a B18c1 block with YCP 81.5 high compression piston.
what compression ratio is the limit for the b-series with the 98 octane fuel?
Is it too high if run with 12.8:1 CR? ( OEM gasket)
Thanks
I am assembling a B18c1 block with YCP 81.5 high compression piston.
what compression ratio is the limit for the b-series with the 98 octane fuel?
Is it too high if run with 12.8:1 CR? ( OEM gasket)
Thanks
Hysterically Calm
Joined: Jan 2013
Posts: 10,439
Likes: 597
Re: head gasket and compression ratio
Depends on the fuel you want to run.
Pump gas is less forgiving to high CR.
A lot can be done by detuning but efficiency drops.
If you are using race fuel or E85, you can get high efficiency with high CR.
Pump gas is less forgiving to high CR.
A lot can be done by detuning but efficiency drops.
If you are using race fuel or E85, you can get high efficiency with high CR.
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