Originally Posted by MD Cos
Originally Posted by Mark Shead
You will struggle to get 500hp on 25mm inlet ports with those cams you would realy need 26mm inlet,
The size of the cams will have a effect on what size ports you can get away with.
Mark
thanks mark, does that mean 26mm on inlet and exhaust?
not going to argue with mark lol .but your cams bd14 indicate you want some drivability and low down power,so you dont need big ports as this will slow down the air speed.