i have a 1985 full size bronco(manif. 11/84) 4.9 ltr. 300 cu.in. inline six(seq. # 3710) so this is a carb(1brl) 4spd,fwd, made in mich. sold in palmdale,calif. my question is this: i want to put duel exhaust on this engine,can I put on a set of fuel injected manifolds off a 1987 or newer(2 piece manifold)ford engine 300 cu.in six what can i expect to get into with this job? this is my bronco and i just want the nice sound that will come from this change over. Thanks Jimmy