just hit 20,000 mi! blown head gasket :(

50% diff your motor is done.

Heard TOOO many horror stories with COBB AP blowing up our motors, so glad I stuck with HT.

I know 3 such incidences but to Cobbs benefit these guys did not have HPFP upgrades.. You simply cant do a DP, full boltons and a tune looking for max power and not upgrade your fuel pump. You will BLOW YOUR MOTOR.. I know two dynos that wont tune these cars unless they upgrade there pumps first because they lean out like crazy
 
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