Hi Guys,
I am new to this forum and after reading this forum for a few months I've decided to try and pick up a used RX-8, Hoping some of you may help me out with some compression test numbers.
I recently took a 04 RX-8 GT with 90100KM (Sold by another small mom and pop dealer) I was interested to a Mazda Dealer here in Canada to have a compression test before deciding on if I should purchase it.
The results were:
Rotor 1: 7.5, 7.3, 7.3 @262RPM
Rotor 2: 7.4, 7.2, 7.2 @259RPM
Here's my question:
I asked the service at the dealership (Guelph Mazda) whether or not these numbers are normalized to sea level as Guelph is 1096ft in elevation. They had no idea what I was talking about; they said they simply recorded the values from their compression tester.
Do I have to normalize these results(This would make this engine seem like its in excellent condition)? Or are they already normalized? If they are already normalized is this still a worthy buy for the price since its getting awfully close to the 6.9 failing line?
I know between 7.5-7.9 could possibly mean another 40K-60K left on the engine from (New and Potential Owners START HERE!), but any estimates on results between 7.0-7.4?
Additional Info:
2004 RX-8 GT Blue with original engine, I was able to talk the dealer down to $8500CAD
Spark plugs recently changed, not coils or wires.
Cold Start Time: About a 1.5 to 2 seconds (Dead Battery, Needed to be boosted)
Hot Start Time: About a 2 to 2.5 seconds (Dead Battery, Needed to be boosted)
Mazda Tech said this was one of better compression test results for 2004 RX-8 he has seen, as many 2004's he has done failed the test.
Thanks for your help in advance.
I am new to this forum and after reading this forum for a few months I've decided to try and pick up a used RX-8, Hoping some of you may help me out with some compression test numbers.
I recently took a 04 RX-8 GT with 90100KM (Sold by another small mom and pop dealer) I was interested to a Mazda Dealer here in Canada to have a compression test before deciding on if I should purchase it.
The results were:
Rotor 1: 7.5, 7.3, 7.3 @262RPM
Rotor 2: 7.4, 7.2, 7.2 @259RPM
Here's my question:
I asked the service at the dealership (Guelph Mazda) whether or not these numbers are normalized to sea level as Guelph is 1096ft in elevation. They had no idea what I was talking about; they said they simply recorded the values from their compression tester.
Do I have to normalize these results(This would make this engine seem like its in excellent condition)? Or are they already normalized? If they are already normalized is this still a worthy buy for the price since its getting awfully close to the 6.9 failing line?
I know between 7.5-7.9 could possibly mean another 40K-60K left on the engine from (New and Potential Owners START HERE!), but any estimates on results between 7.0-7.4?
Additional Info:
2004 RX-8 GT Blue with original engine, I was able to talk the dealer down to $8500CAD
Spark plugs recently changed, not coils or wires.
Cold Start Time: About a 1.5 to 2 seconds (Dead Battery, Needed to be boosted)
Hot Start Time: About a 2 to 2.5 seconds (Dead Battery, Needed to be boosted)
Mazda Tech said this was one of better compression test results for 2004 RX-8 he has seen, as many 2004's he has done failed the test.
Thanks for your help in advance.
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