good compression
what would be good compression for a N/A s4 rx7?
i have a cheap compression tester. 120psi sound about right? thanks |
I think 120 is what they minimum was from the factory.
Santiago |
thats higher than my golf
so about 140 to 120? |
You probably won't see that man maybe like 90-100
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90 psi, think about a rebuild?
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no actually that is pretty good I think. Most people get 90's or high 80's when they check their engines.
If you get down to 70's then start saving up and get ready for the problems on starting and such. |
cool thanks
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And I think you have to test the compression while the engine is warmed up.
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Originally posted by pillage6 And I think you have to test the compression while the engine is warmed up. |
and you must hold the accelarator down will testing!!! hehe
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I got 115 to 120 on all faces on my engine with 156k on the clock. It died a month later due to coolent o-ring failure
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Like CrackHeadMel experienced, good compression does not necesarily mean the engine isn't gonna go anytime soon. There's still other things that can go wrong, such as the coolant o-rings.
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Yes the evil coolant O rings.
Anyways From what I under stand 120 is like new. 90ish is pretty good for an engine with mild mileage. 75 and under be careful or get ready. I've been meaning to check mine. I think mines bad cause I am pretty slow(16.9ish w/current mods). |
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