[dlampe]

I am running an 8.8 IRS with a TKO 600. My sidepipes have a 3in. ID from stainless specialties. I don't know for sure if the cam was indexed. Rick Kirk did the build and he is an FE legend. That doesn't mean he couldn't make a mistake. The timing was ran from 29 to 38 deg. and 34 is the sweet spot. Why didn't I have a big jump in power when we bumped the timing from 29 to 35? The carb is set right. We did about 15 runs to get the jetting right. I would have thought this cam would have been good to 6500? I have read Keith's post on BT heads before but I also think he said they flowed as good as the Edelbrock heads stock. Rick Kirk did the porting and he did it by hand, not CNC'ed. Having said that, he really knows his way around an FE. Does everyone use SAE power numbers? It is just a little frustrating.