i have a motorcraft holley 4bbl on it now but the motor consist of longer tube headers, aluminum heads and a 89 forged short block what carb should i buy? don't know any specs on the motor purchased it all in one, has a very huge cam lope while running, any body know whats the best performance carb to use for this? cfm / link to the item etc thanks alot guys helping me out alittle bit everyday!