drill

Edited for content

Are the drills and springs from a stage 1 kit, and a stage 7 kit the same....or are they different? If they are different....then which ones bigger, and what size are they?

Vacuum / nitrous port. How to drill & tap So my new intake manifolds don't have sync ports.. or anything drilled and tapped for the vacuum advance. Can anyone give me some tips on drilling thin cast aluminum and tapping threads?:confused2:

:grinch: I' m a first time newbie on here. Does anyone know of a video link that would let me hear sound of stock exhaust with the 1 inch hole drilled out of center, also what exhaust sounds like with the 5 holes drilled between baffle rivets? Any help is appreciated, and thanks in advance...

I bought my Muscle Jet Kit to go with my Marks 4-2 exhaust. I am close in my tuning procdures but I have yet to do all of the steps as suggested by Sean. I was leary on drilling the slide because of negative info I found on this site. So I did a search, I talked to Sean, and I come up with...