heads

those are called gt40p heads. they are a good budget head. Some people match them with the explorer intake (similar to the cobra). depending on the price of them, i would go for it. also, they require special headers for them. Mac makes them and i think FMS might fit as well.
 
MatthewP said:
The earliest V8 Explorers actually used the GT40 iron heads, not the GT40P. If you get those, you don't have to change headers.

-Matthew

That's what I'd go with. The flow is similar, but P heads have smaller combustion chambers resulting in higher compression. Mac headers for P heads are classified as GT40P headers. They're the last one's on the page.

http://www.macperformance.com/store/category.cfm?SID=3&Category_ID=390
 
mustangderek22 said:
yea thats what I`m going to buy. Can you give me some good websites to buy heads? or go to ebay? I went on to ebay and found gt-40 turbo heads their called..are they the same? they were about $900? good/bad?


those are aluminum. if you can afford it thats the better route to go. i got my gt40's from ebay for 350 shipped then i spent 180 at the machine shop ( valve job, shaved, and cleaned ).
 
Those are aluminum Ford Racing heads. The turbo swirls. They didn't come on Explorers, but are better than regular GT40s. Your best bet is to go to a junkyard and get the heads or I've heard you can go to Autozone, Advance, etc. and order two replacement heads for an Explorer and just slap them on your Mustang. I'll look for a website to buy GT40s at and I'll let you know if I find anything.
 
thanks guys...intenseblue let me know if u find a site..ill be looking around myself to...i think ill look more around on ebay..i found a set for about $900 and thats a "buy it now" so i donno..like i said i have awhile yet but let me know as much as anyone can
 
Yes, they'll fit any type of headers. The turbo swirls are really good heads. Much better than regular GT40s. If you get those, then you can get an intake, and get another good kick in the pants. Good luck with the car.
 
mustangderek22 said:
ok thanks for all the info about all this...i`m planning on throwing a edelbrock performer rpm II on those heads...hopefully its all worth it...thanks again for ur help

RPM II will be too big. If they're Y303s, which I think they are, then get either a Trick Flow Street Heat intake or an Edelbrock Performer or a Cobra or GT40 will do.