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Do I need a Madza compression meter to check the compression?

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Old 05-16-03, 11:06 AM
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Question Do I need a Madza compression meter to check the compression?

Or will a regular pressure gauge like those used on a piston engine work.

And if it will what should a 1991 N/A read at sea level?
Old 05-16-03, 11:34 AM
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http://www.teamfc3s.org/info/articles/compression.html
Old 05-16-03, 11:44 AM
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Thanks, I nhave the entire wiring harness disconnected, can I still use the key to turn the engine over? (the starter is still connected).

Sounds easy enough, so what should be the reading in PSI?

Last edited by asherwood; 05-16-03 at 11:48 AM.
Old 05-16-03, 08:49 PM
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85 is the minimum. 125 is the max you will ever see.
The mazda tester is required for really accurate results
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