Street Ryderz
Well-Known Member
Cut the casting flash yes but dont polish the intake port it's best to rough it up to aid in keeping the A/F mix in it's vapour state.This is my stock exhaust port.. See the crap left on them and just how rough the port looks in general..that's casting flash.
View attachment 80126
This is the port cleaned up with a Dremel type tool.
View attachment 80127
This is the port polished up a bit and ready to rock n roll.
View attachment 80128
Nothing fancy or difficult was done...just a simple effective means of power and even efficiency improvement...You do the same for the intake ports as well.