Just had a compression test done on my stock 2004 Mazda RX-8.
-ROTOR 1 @ 250 RPM: 660, 670, 690
-ROTOR 2 @ 249 RPM: 700, 690, 670
I know Mazda says the minimum is 680kpa. Judging from my numbers, only a couple of faces seem to fall below this. However, this is with the stock starter that is known to be weak and could thus bias the results. The ignition components have less than 3K miles on them. The only thing I have noticed is a slow start (2-3 seconds) occasionally.
I know it's hard to really judge since it is the old starter, but do these numbers seem healthy enough? I'm definitely going to put a 2kW starter on it soon.
Sorry if this is the wrong place to post this - it isn't letting me post anywhere else.
-ROTOR 1 @ 250 RPM: 660, 670, 690
-ROTOR 2 @ 249 RPM: 700, 690, 670
I know Mazda says the minimum is 680kpa. Judging from my numbers, only a couple of faces seem to fall below this. However, this is with the stock starter that is known to be weak and could thus bias the results. The ignition components have less than 3K miles on them. The only thing I have noticed is a slow start (2-3 seconds) occasionally.
I know it's hard to really judge since it is the old starter, but do these numbers seem healthy enough? I'm definitely going to put a 2kW starter on it soon.
Sorry if this is the wrong place to post this - it isn't letting me post anywhere else.
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