anyone know what the comprssion ratio is for a 93 wrx import
03 April 2009, 07:49 PM
#1
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anyone know what the comprssion ratio is for a 93 wrx import
as the title really guna do a compression test but dont know what reading to look for cheers
also can anyone tell me if the air con system is a seperate system to the rest of the engine because i want to remove it
thanks all in advance
also can anyone tell me if the air con system is a seperate system to the rest of the engine because i want to remove it
thanks all in advance
03 April 2009, 08:02 PM
#2
Compression pressure and Compression Ratio are 2 different things.
On the compression(pressure) test, you should have a minimum of 120 psi on all cylinders with no more than 28psi difference between the cylinders.
IIRC the Compression Ratio is 8.0:1 on the early hydraulic head engines.
Mick
On the compression(pressure) test, you should have a minimum of 120 psi on all cylinders with no more than 28psi difference between the cylinders.
IIRC the Compression Ratio is 8.0:1 on the early hydraulic head engines.
Mick
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