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-   -   2008 RX-8 Compression Test (https://www.rx8club.com/series-i-trouble-shooting-95/2008-rx-8-compression-test-258674/)

vy_MR2 06-03-2015 09:28 PM

2008 RX-8 Compression Test
 
I just had my RX-8 at the dealer for a compression test. I figured the 8 years is getting close so it was worth the hour of time.

I believe the results suggest a case for a replacement. Any thoughts are appreciated as always.

Rotor 1 (275 RPM) Rotor 2 (260 RPM)

8.1 9.0
8.1 9.0
8.1 9.3

westgman 06-03-2015 11:54 PM

looks good to me man,
https://cimg3.ibsrv.net/gimg/www.rx8...bc1b46a49c.jpg

westgman 06-03-2015 11:55 PM

But I do believe you need 3 sets of numbers, one for each of the rotor faces.

vy_MR2 06-04-2015 02:33 AM

It is 3 numbers per rotor. My understanding is there is only a tolerance of 1 kg/cm2 from the highest number of one rotor to the lowest on the other.

Rotor 1 - 8.1, 8.1, 8.1
Rotor 2 - 9.0, 9.0, 9.3

Loki 06-04-2015 10:10 AM

I think that's 1kg/cm2 difference between faces on a rotor.
Those are really solid numbers though. What's the mileage?


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