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Old 02-16-2006, 11:23 AM
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Originally Posted by SPIIRIT
...In any case, check the static compression by using a known good pressure guage and fresh battery. Block the throttle wide open, crank the engine about 5 compression strokes. For the street, in no case should the readings exceed 170 pounds (max for premium pump gas).
This method will not accurately determine static compression ratio.

And just as a side note, my last 2 engines had cranking pressure of 188 and 200. Ran great on 92 octane.
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