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12-31-2002, 10:28 AM
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#7 |
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Registered Member
Join Date: Feb 2002
Location: Jacksonville, FL
Posts: 706
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PSI guesstimate...
PKRWUD,
This is the first test I have done with TRW flattop pistons and a .030" overbore. I am guessing my compression is about 9.5. Do you have a ballpark PSI figure? I am going to check the entire left bank of cylinders. I have been "losing" a little oil over the last few months and a little coolant but I never could find evidence during an oil change or coolant flush. Just this number 5 cylinder plug always being a little oily. I have a feeling when I dyno'ed 258 rwhp before the blower, which was about 30 hp low for my combo 6 months ago that I had the beginnings of a head gasket problem. What is surprising is that it is relatively subtle. Very slow leaks but I think this has finally done it... and I just put new headers and plugs on yesterday...Murphy's Law...
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1988 GT Convertible 331 10:1 TW heads, GT-40 intake, MSD, TRW flattops, B Cam w/ 1.7's, MAC exhaust, 24's, 70 TB, 76 MAF, 3.73's, Pro 5.0, Koni's, Anderson PMS, Wideband 02, yatta, yatta... One week with new motor, two speeding tickets...joy |
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