ScottStaypuff

I'm a fan of the Truck Norris cam which is supposed to be around 212/224 107lsa with .552/.552 and wondered what a stage 2 version of it would look like. Meanwhile I follow Richard Holdener and in his Sloppy Stage 2 vs the world the Summit 8720r1 (218/227 112+2lsa .600/.600) stuck out to me. It beat the next size up Summit cam in low and mid range and tied it on the top end. I took all that info and did David Vizard's cam lsa formula for a 5.3 with 243 heads and came up with 109lsa being "best" for my combo. I wanted to limit it to 5 degrees overlap so I came up with this cam. What does everyone think of these valve events and thoughts on how the car would behave? The car is a nice day driver, 99% street and 1% test and tunes. My thought is it should pump up the low/midrange over the 8720r1 even more and hopefully tie it up top. It will idle choppier but its got the same overlap as the SS2 which really not that much and is ok with me, I have a Terminator X to tune. I have a 3k stall which should be plenty. I think it should be all done by 6200-6500. The car is a 2000 TA. I think that's all the relevant info.

Keith

Check out the sloppy "best" cam. Pretty dang close to what you're describing.

G Atsma

The cam above is basically the old GM Hot Cam with 3 degrees less LSA.