stock head question?
 

i have 86 5.0, buddy has an 88 or 89 crown vic 5.0 ho motor , wandering if the heads would be different and if so, would their be a plus or neg in power increase. my motor smokes at start up and when you hit the gas so i was thinking of pulling the heads off and having them checked out, on the vic motor:confused. stock motor , just 30 over stock cam, bbk 65mm throttle body, power pullys, flowmaster x-pipe with dumps, nothing special. any imput would be nice thanks.

You need to ask your question in the 5.0 section. You will get answers there. Welcome to the forums.

oh lol thanks

+1, check out 5.0 section