Originally Posted by
rogelio4187
the lobes on the cams are 520 insted of 486, everything else is just to support the extra preasure.
so u are saying that I didn't even need that?
Pretty much. There are guys squeezing 600 whp on bone stock K20 motors.
Start on the bottom end. I would upgrade the pistons and rods just for piece of mind. Just get a good tune and you will make the power reliably.
What size turbo are you looking at?