Originally Posted by
Jun_Tuning
to port match the intake manifold to the throttle body install the throttle body each screw twist twice (it will stay loose) open the throttle body and mark the whole circle of the throttle body with a permanent marker and there u go u can start grinding
+1 thats how i would do it. not all gaskets are the same. 70mm for all motor would give top end power at the sacrifice of low end. so pick what you want and go from there. IMO its over kill unless youve got huge cams, large ports, and a big bore to move all the air.