Does anyone know of any ways to limit down what the problem could be i ran 9lbs of boost to my car had a bad silicone coupler then changed it and forgot to resest boost controller ran15lbs redlined then engine shut down can't get it to start back up it will trun over no problem never made any weird sounds to signal that i broke somethin pulled valve cover everything visibly looked good and did a compression test and the no. 1 cylinder has 180 psi the no.2 has 120 psi the no.3 has 30 and the no. 4 has 30 any ideas? and if it is pistons and rings should i put new sleeves in it?

Probably blown ringland. It's a typical issue with ECOTECs and other 4 cylinder stock motors.


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