blkgt50

I was looking at getting some gt40p heads but had a couple of questions. First what type of headers am I going to need? Well the FMS shorty headers work? If not then what kind do I need to buy?

wildstang87

if you havent already bought the P heads dont unless you can get them for a couple hundred bucks. check out link: www.powerheads.com/products.html also you have to buy Pspecific headers which are usually $300. the powerheads are cnc ported stockers, which flow better than any aftermarket cast head, with similar size valves, and cheaper.

sntheticdelusion1

will those heads work on an 86 cause i know the gt40 heads they say the valve clearences wont work

wildstang87

the powerheads use 1.90 intake valves which will most likely contact your flat top pistons. for the 86 you could use the Thumpers though, they use stock valve size. thats about your only option with heads.

blkgt50

Thanks wildstang.. There a guy here int town selling some for $350. I thought that was a good deal that's why I asked if I could use the FMS headers that I have now. If I can't then I'm not going to buy them. Thanks

Quik

you dont need specific headers. you can use BBK unequal shorties

Quik

you can use bbk shorty unequals. yes i know for a fact cause on my motor i use them

Quik

that isnt a bad price for the heads, but more details on what is done would be better to tell you if its worth the money or not

wildstang87

$350 isnt bad, as long as you dont have to get them freshened up. also you can run certain shorty headers without a problem, i know this, but i call that half-assed. anyways, b/fore you buy them make sure they arent 64cc or you will lose compression, and counteract any gain you might see with them. also check out the flow #s on them, they arent that great out the box.

blkgt50

From what I have been told the heads are in good shape but I never asked what cc's they were. I'm sure if I go to that high of cc's i'll end up loosing hp.