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Whats good compression for a rotary?

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Old 02-05-03, 08:34 AM
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Da Monee Pit

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Whats good compression for a rotary?
I talked to a guy that rebuilt an engine for another guy who is selling his TII. The mechanic races RX-7's and said he has 9 to 1 rotors in it and the compression is running 110. That sound decent? The motor is brand new, 500 miles since rebuild.
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Old 02-05-03, 08:35 AM
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Sounds pretty good.
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Old 02-05-03, 08:37 AM
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where is lubbock, Tx?

I live down in laredo

only like 30 RX-7's down here total not just 2nd gens.
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Old 02-05-03, 08:42 AM
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Originally posted by 1987RX7guy
where is lubbock, Tx?

I live down in laredo

only like 30 RX-7's down here total not just 2nd gens.
100 miles South of Amarillo or 400 miles NW of Dallas/FTWorth area.
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Old 02-05-03, 08:43 AM
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your compression sounds good I think that is right about where it should be. You are still breaking it in though. wait until you have like 1500 mile on it and test it again.
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Old 02-05-03, 09:00 AM
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with those rotors i would like to see the compression in the 120psi range freshly rebuilt!
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