B18C5 Head on B18C1 ??
12-26-2001, 09:13 PM
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B18C5 Head on B18C1 ??
thinking about putting a ITR Head on my B18C1 , i have heard the compression ratio will be lower, does anyone know what it will be(with stock GSR pistons)? also is there any other special needs to do this besides using the ITR manifold, TB and ECU ?
12-27-2001, 06:14 AM
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Re: B18C5 Head on B18C1 ?? (strils)
I have heard that the GSR head will give roughly .2:1 higher compression over a PR3 (B16A/B18C5) head. So going the opposite way I'd say to take roughly that amount off. I'm sure someone will come on here and spout some exact numbers for ya. I won't as I don't think it will make much of a difference.
12-27-2001, 08:56 AM
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Re: B18C5 Head on B18C1 ?? (badCRX)
yep your right the gsr has a 41.6cc combustion chamber and the b16a/type r has 42.7cc. its the smaller cumbustion chamber make the higher compression.
12-27-2001, 08:02 PM
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Re: B18C5 Head on B18C1 ?? (Trey)
so putting on a mugen head gasket should recover most of the loss in CR. Anyone know what kind of power gains this combo will give you over stock GSR?
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