BiggerDanno

I know a lot of you have run the 32 with a tuned pipe, looking for a starting point for header length on a Viper and a 8.8" x ~7 prop.
(Mac's pipe)

airraptor

My Feedback: (66)

i think you would be better off with a 8x8 APC over that prop as that prop need to spin over 18500 to 19000 to really work well.

Pond Skipper

http://www.macspro.com/tuning.asp