After reading for quite a while, I'd like people with experiece to tell me which way to go. There is a nearby powdercoating shop, so either header will be uncoated. That way i can ding them to fit, then make them look nice. I have a 289 with maybe 330-350 fwhp, and a t5 with modern driveline cable conversion. Which fits best? Which gives me the best all around performance? If the comps cost me 5-10 hp, I may not splurg for the super comps then. Please help me and alot of others out. Thanks.