Originally Posted by
smccolp
Hey Monty, I was just wondering about advancing (raising) the exhaust port on a Nova Rex p5 to gain some top end power. How much would you say is a safe starting amount to raise the port for advancing the flow?
Thanks in advance,
Sean
1mm to start , there are different cases so make sure to check how far down the exhaust port on the sleeve hangs down past the block (sharpie pens are great
)