ZC, milled head, stock gasket. comp. to high?

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09-14-2003, 11:01 PM

big rich

0.0 BAR

Thread Starter

Join Date: Jun 2003

Posts: 9

ZC, milled head, stock gasket. comp. to high?

OK, I have a ZC in my 89 CRX DX. the head was milled 15 thousandths, and I have a stock gasket. Is my compression to high to run 8-9psi? I don't plan on going higher, I don't want to build the motor and I don't want to blow it up. I don't know what my compression is, I'd guess over 10 but I'm not sure.

09-15-2003, 03:27 AM

boost_junky

0.5 BAR

Join Date: Feb 2003

Posts: 170

Re:ZC, milled head, stock gasket. comp. to high?

if u where planing on runing boost why didi u mill the head? there was a link to a compression calculator on here a while ago do a search should help out

09-15-2003, 04:51 AM

Semnos

3.0 BAR

Join Date: Dec 2002

Posts: 3,828

Re:ZC, milled head, stock gasket. comp. to high?

Your comp would be higher...If you have money left try getting a thicker gasket...most of the times the replacement gaskets are thicker than the stock gaskets.
I wouldn't worry too much about it..I would just boost it, but don't boost it too high start at 7 psi if you're using AFC or better...at least with higher comp you'll get a better power range from the start..good for street though.