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The mkiv Supra Owners Club

What are good leak down and compression tests for...


Guest ilogik

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Do you want to know how to do the tests or what are good results from the tests?

...or how to test the goods?....:D

 

 

Leakdown over 95% is very good, low 90s acceptable for a high-mileage engine

 

Compression test you'd want all cylinders within 15psi, ideally within half that.

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