I did a compression test on my engine to see if I should invest into the car because I need to replace a bunch of stuff...
Its a 2007 with 36K miles (not much) on its 3rd set of coils and 2nd set of plugs (reused plugs one time) and 3rd set of plugs
It also has a dead cat.
On to the numbers:
Rotor 1 (Front)
7.1, 7.1, 7.1 259 RPM
Rotor 2 (Rear)
7.3, 7.3, 7.1 258 RPM
Altitude is 450' above sea level not sure if they corrected it as they gave me the numbers in some excel sheet that mazdausa provides them but they said the engine is good. The technician said that I would be wasting money doing the compression test because he could tell it was good based on all the other rx-8's they have diagnosed.
Now if I am reading the sheet correctly at:
RX-8 Help
It looks like it is bad but the tech was telling me that these numbers are pretty good and that usually when they have a bad engine the are in low 6. Does then engine seem decent enough that I should justify spending a decent bit (around 2k in maintenance parts) or should I be looking at getting a new/remanufactured engine?
I'm not sure if I should look at getting a new engine now or just keep driving and wait for it to go... It seems to drive mostly fine and the tech said it just needs new wires and spark plugs again and coils are fine. I am thinking of finally going BHR kit so it stops hopefully (As you can see I don't put a ton of miles on it)
Its a 2007 with 36K miles (not much) on its 3rd set of coils and 2nd set of plugs (reused plugs one time) and 3rd set of plugs
It also has a dead cat.
On to the numbers:
Rotor 1 (Front)
7.1, 7.1, 7.1 259 RPM
Rotor 2 (Rear)
7.3, 7.3, 7.1 258 RPM
Altitude is 450' above sea level not sure if they corrected it as they gave me the numbers in some excel sheet that mazdausa provides them but they said the engine is good. The technician said that I would be wasting money doing the compression test because he could tell it was good based on all the other rx-8's they have diagnosed.
Now if I am reading the sheet correctly at:
RX-8 Help
It looks like it is bad but the tech was telling me that these numbers are pretty good and that usually when they have a bad engine the are in low 6. Does then engine seem decent enough that I should justify spending a decent bit (around 2k in maintenance parts) or should I be looking at getting a new/remanufactured engine?
I'm not sure if I should look at getting a new engine now or just keep driving and wait for it to go... It seems to drive mostly fine and the tech said it just needs new wires and spark plugs again and coils are fine. I am thinking of finally going BHR kit so it stops hopefully (As you can see I don't put a ton of miles on it)
Compression Test Results Help
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