4v would not need less work to make equivalent power. Both would need forged bottom ends. Asilver2001gt's car has stock 2v heads and a kenne bell. Makes 600 to the tires on a conservative tune
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2009 Porsche Carrera S
2008 ///AMG C63.. Eurocharge Tune. RIP
2019 AMG GLC43..wife's
03 F250 SD.. Edge Evo, AFE Stage 1 CAI
08 GT. JBA axle back, FRPP springs, FRPP swaybars.. daughter's
01 Cobra vert... wife's
I need a new toy
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