RX7Club.com - Mazda RX7 Forum - got my compression tested today

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- 1st Generation Specific (1979-1985) (https://www.rx7club.com/1st-generation-specific-1979-1985-18/)

- - got my compression tested today (https://www.rx7club.com/1st-generation-specific-1979-1985-18/got-my-compression-tested-today-928516/)

drschwinn2002

10-27-10 11:56 PM

got my compression tested today

the back was at 54 52 56 at 262 rpm
the front was 71 73 72 at 256 rpm
was done with mazda tester
any thoughts how much time am i looking at?

jshiz

10-28-10 12:28 AM

Your car still runs? holy shit that's amazing... A zombie rotary?

Whisper

10-28-10 02:35 AM

I'd say you're looking at negative time left, if those indeed are the numbers.

mazdaverx713b

10-28-10 06:27 AM

minimum compression spec is 85psi on each rotor face. whats the mileage on the engine? may want to try running some seafoam through it or using some amsoil power foam and clean out some carbon.

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