0P, I can't tell IF U r3m0ved the PCV valve on the valve covers. I hope u did! Other wize dat 5H1+ is gonna close under WOT...and there's nowhere for the Bl0W-by 2 go....I see u got ur breather hoses capped.....let 'em breathe w/crank case filterz....U need those "fr3sh 4iR" p0rtz to release the pressure @ WOT! Even the service man says s0!
I'm g0nna pt 0u+ my crank case f1lterz 2 TEK @ my next visit 2 Gat3way... just 2 Nsure they ain't over l00k'n 'em....