Supercharged VQ37 Goes BOOOM

Jordo!

Huh? The knock sensor has nothing to do with the MAF sensors. Actually, neither do any of the O2 sensors

Both take readings after the MAFs and after the SC.

Whether or not the ECU can go into limp mode fast enough is a race between knock sensor sensitvity, the rate at which detonation is happening, and factory tuning.

Obviously in this case, the ECU didn't respond.

Boost is really just a measure of restriction -- what matters is the volume of air entering, which may be greater (even if boost is lower) thanks to the headers. If the fueling was off, and in-cylinder temps got too high (the reason you want to run a little rich is to have unburt fuel cool off the combustion chamber), the fuel may ignite out of time (causing preignition and detonation), which results in a good deal of shock to moving components, and boom -- something may break.

Looks like it shot a rod out the side of the block

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