94 banshee, bored out to 392, lots of other mods, we are still working on this thing, weve bought new carbs, no air leaks, everything clean, fresh packing in pipes, no exhaust leaks, weve swaped jets over a 1000 times and still cant get that toprange power, it wants to pin out and start poping and crackling, n its not through carbs,its through exhaust. It a banshee that thing should snap your neck when u hit the gas, but weve done everythng and it just wants to pin out super quick in every gear, and start poping, its got great compression, 160, psi on 6 kicks . we think it migh be the elecricalbox, because somethings killing that top range power, i dont know a lot about electrical, and do i need to buy a sport electrical-box, i need some answers