T2 S5 Compression?
09-12-07, 11:28 PM
#3
When doing a compression test, what would be a good number?
Anyone have an idea?
I know 110 psi for an NA engine is good, I just do not know what it should be for a turbo engine.
Anyone have an idea?
I know 110 psi for an NA engine is good, I just do not know what it should be for a turbo engine.
Last edited by Aaron Cake; 09-13-07 at 09:47 AM. Reason: Merge two posts
09-13-07, 02:05 AM
#4
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I think the compression should be at 85PSI at a cranking speed of 250RPM... thats what it said in the manual on it... www.rx7city.com
09-13-07, 08:36 AM
#6
115-120: excellent
105-114: great
95-104: good
85-94: drivable
< 85: rebuild soon, before it blows itself
HOWEVER, cranking speed is important and fairly impossible to measure accurately, so making sure your starter is working properly and your battery is fully charged are the two key things to ensure you crank fast enough.
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09-13-07, 10:34 PM
#8
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Here's the link were I got the info.. http://www.rx7city.com/89-91manual.htm it's the factory manual and thats where i got it... I uploaded a copy of it on my computer.. all you do is click on where it says"save a copy" and you can have a copy on your computer... the funny part about it is that there is no difference betwee NA and Turbo... Check it out
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