im goin with ported heads + the gm847, will the mac mids choke that up or no? was thinking about getting longtubes but i dont see why the mac mids would be bad. thanks -dave

 

If you don't have to pass emsissions then go with the Long tubes!

 

LTs

 

I normally say MAC mids, but in your situation, with that much air flowing in the high RPM range, I think LT's are a better option. Either that, or other mids like SLP's or AS&M's or RKSports that have 1 3/4" primaries to help your high end flow.

Your low end will suffer a little due to the larger primaries though.

Dan

 

im not too woried about any power under 3k so the bottom end loss wont matter, definately goin with long tubes now

 

i really like my hookers. i havent seen the same big #'s from the Macs

 

Jordan Musser(sp?) got about 25 rwhp and 30 rwtq from MAC mids. I don't know how that compares to LT's.

Dan

 

If we could just get a good dyno and 1/4 mile analysis of headers then we could see both the ET gain, the area underneath the curve, peak, and what is best for our cars for different applications. Thanks GM High Tech Performance

I say try both and tell us your results

-Dustin-