Compression test

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Feb 3, 2013 | 09:09 PM

Ash_guff

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From: North wales

Compression test

Hi i done a compression test on my 98 ej20 classic does anyone no roughly what results i should get?
Mine were-
O/S Front 165psi
O/S Rear 168psi
N/S Rear 168psi
N/S Front 161psi

Feb 3, 2013 | 09:32 PM

merlin24

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From: RM Performance

Providing its a Turbo EJ20 then not a lot wrong with the readings you posted, should be approx. 140~170 psi with a maximum of 8 psi difference between cylinders.

Mick