What would be the downside to using a set of 225's or stage III's, etc. as opposed to 205's or stage II's? Here's the cam specs I'm putting in.

 

You'll loose some power down low- some of that low-end grunt, BUT you'll gain more power up top.

Do you street race on an average tire? Do you race from a roll often? There are also the occasional instances where a big runner head is perferred, but usually not the case.

If you want a head with a big runner, get some of those $1000 CNC LS6 heads with the 237cc intake runners...

Don't forget you'll give up more PTV clearance with bigger valves.

Ben T.

 

sluggish and slow off the line

 

So other than losing a little down low and possible valve clearance problems, that's it? I'm not too worried about the low end power b/c the cam is a copycat of Pat G's torque cam (lotta power down low).

 

With that cam i would get heads that flow well at .650 with small intake runners, like AFR 205s or Trickflow

 

Torque limited traction assistance for street racing.

Ben T.

 

I understand what you're saying, but if I was to find a really good deal on a set of used 225's or so, that wouldn't turn out to be so bad, right?