I just fired up my 454 with a 8-71 blower for the first time and here's what happened. It sounds mean as hell but I had to shut it down after about 2 minutes or less because the jet coated headers started glowing red. so I pulled a plug and it appears to be too rich.(black in color)I'm a little upset that I didn't do a correct cam breakin but theres nothing I can do without jets. Heres my real concern. I noticed that my head studs are seeping coolant. when I installed them I used ARP racing thread sealant, which to me apears to be glorified teflon pipe dope. I kept telling myself to use RTV , since the studs penetrate the water jacket. I'm hoping someone has a succesful solution, other than tearing this fully detailed engine back down.