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The head gasket seemed fine, the car was never overheated and never smoked from exhaust. Coolant levels never dropped either. The orange coat is the lead or whatever from the octane booster being burned, it all wiped off clean with fuel system cleaner. There was a lot of it though from it being...

Here are some images after removing the head, car was over diluted with boostane over maybe 2 weeks 54k miles

Is this common? I smoked the manifold but didn’t see any smoke, out of ideas now. At this point injectors we’re cleaned and tested, new crank sensor and relearn, new maf, oem fuel pump. I even pulled the motor and took the heads off and looked over everything and nothing looked off. New vct...

Hello, I’m dealing with a p0300 and p0301-308, misfire on all 8. Car is a 2017 gt, 6r80, 2018 manifold locked out, free flowing exhaust, Paxton 3.6 pulley on 93 with boostane lund tuned. Filled up with 93 and boostane and drove the car for half a tank over two days, parked it for 2-3 days and...