I just bought my first mustang and was wanting to put some new heads on it. It is a 302 HO and has MSD ignition, BBK cold air, shift kit in auto tranny and flowmaster exhaust. I was wondering what would be the best head and cam to put in it and still be able to pass emissions test. Help me out if you can. Thanks.

 

the "best" head is a very subjective matter... how much money do you have to pay with

 

Im looking to get around 350-400 rwhp out of the engine. I was thinking of going with gt40 heads but wasnt sure what cam would suit it and keep me from failing emissions.

 

400hp, gt-40 heads, and passing emissions... you have much to learn

 

as long as you have good cats you can pass the sniffer as long as you arent in cali lol.
i pulled my cats off first when i got my car, i keep em stored away so i dont destroy them with the amount of emissions my car prolly puts out now as opposed to stock and also so i dont hit them on speed bumps or dips in the road. they get used once a year. and i pass pretty well. same went with my old fox i didnt even have an egr on that car

 

haha yep.
gonna need some better heads than gt-40s

 

what type of modifications do you have to your vehicle? I know there has to be a way. Im trying to make it fun but drive-able. Its got some power with the few mods I have on it now, but Im trying to figure a way to squeeze a many horses out of her before she cant pass those emission laws.

 

read my sig
also my old 88 had similar stuff plus a 331

 

I think you need to do some research on the 302's and rethink your goals.

 

supercharge it= quickest way and all supporting bolt ons and an adequate fuel system