Like the title, how much compression should an 850NA have? I usually check my motors every fall to make sure all is good but i forget what it should have.
how much compression 850NA
- Thread starter PSI 800
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P
Boost spec just says <15% between two.
S
Depends on ur gauge
Sent from my SM-S916U using Tapatalk
Sent from my SM-S916U using Tapatalk
For sure on the gauge.
The procedure you use also affects results. Industry standard has been 5 pulls at wide open throttle.
I write my results in the back of my shop manual, we have been doing leak down tests for the last 15 years. More accurate.
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