How do you tell the differance between the jdm high compression sr20 vs the regular sr20 engine?

Later,Jon

with a quick search:)

You pull off the head and compare pistons.

I mean easy visible signs.

There are none!!!

There are none.

Wouldnt doing a compression test and comparing data with a stock sr20 comp test #'s work?

Kinda but carbon buildup could make those numbers high.

Originally posted by insane imports
Wouldnt doing a compression test and comparing data with a stock sr20 comp test #'s work?

No.

Compression tests reveal nothing about the statice compression spec of an engine.

Even if they did, there is often close to 10% difference between cylinders and the car is still within factory specs. 9.5:1 vs. 10:1 is close to 5% so there would be no conclusive info from a compression test.


Chris