How much compression should an RX8 have?
7.5-7.9: This is an acceptable engine. Most engines from Mazda seem to be in this range after the break-in period. Stay on top of the other failure points possible, and you should get at least 40-60k more out of this engine, if not more.
How much does it cost to fix a low compression on a Mazda Rx8?
The Best in Auto Repair The average cost for a Mazda RX-8 engine compression test is between $88 and $111. Labor costs are estimated between $88 and $111. This range is based on the number and age of Mazda RX-8’s on the road.
Where can I get a compression test on my Mazda RX-8?
In those cases, a dealer is going to be your only option. If the RX-8 you are looking to purchase is at a non-Mazda dealer, your best bet is to simply ask the dealer if you can take it to the local Mazda dealer to get a compression test. If they decline, they ask if they can do a proper compression test.
Where can I get a compression test done?
Where can I get a compression test done? Only Mazda dealers will be able to do a compression test, unless you happen to live near one of the bare handful of non-Mazda owned rotary compression testers. A few RX7Club and RX8Club members have them, and most of the small number of rotary specific shops have them.
How does a compression test work on a rotary engine?
A typical cheap analog tester just plugs into a spark plug port and as the engine cranks, the needle moves, and you can easily see where it’s swinging to every compression stroke. 1 spark plug, 1 cylinder, 1 compression number. The rotary however is 1 spark plug, 3 rotor cavities, 3 compression numbers per revolution.
Can a Mazda Baro pass a compression test?
There have been quite a few reports of Mazda techs returning BARO numbers that clearly fail and stating that they pass, so if it fails compression but passes vacuum, I’d question the techs quite a bit about making sure they did it right. Where can I get a compression test done?
In those cases, a dealer is going to be your only option. If the RX-8 you are looking to purchase is at a non-Mazda dealer, your best bet is to simply ask the dealer if you can take it to the local Mazda dealer to get a compression test. If they decline, they ask if they can do a proper compression test.
A typical cheap analog tester just plugs into a spark plug port and as the engine cranks, the needle moves, and you can easily see where it’s swinging to every compression stroke. 1 spark plug, 1 cylinder, 1 compression number. The rotary however is 1 spark plug, 3 rotor cavities, 3 compression numbers per revolution.
Where can I get a compression test done? Only Mazda dealers will be able to do a compression test, unless you happen to live near one of the bare handful of non-Mazda owned rotary compression testers. A few RX7Club and RX8Club members have them, and most of the small number of rotary specific shops have them.
There have been quite a few reports of Mazda techs returning BARO numbers that clearly fail and stating that they pass, so if it fails compression but passes vacuum, I’d question the techs quite a bit about making sure they did it right. Where can I get a compression test done?