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Thread: Looking for GT40 Heads

  1. #1
    Almost Done Black87GT's Avatar
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    Looking for GT40 Heads

    Im looking to buy a set of good gt40 heads (NON P) im looking for a set that is ready to bolt on and go. Looking to spend about $300 total shipped. I know this is a long shot but worth a try.

    Thanks!
    Fox/n.
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  2. #2
    http://www.steelcitystangs.com/forum...ad.php?t=25114

    How about a set of 351W heads? We can probably get these to your front door for $300!

    Pictures are on the link.

  3. #3
    Twisted Designz
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    non p gt40 heads

    you can find a set of non p gt40 heads on 1996-97 1/2 Explorer. The easiest way to tell just at a glance if they are the non p heads is look for a external egr valve. If the egr has a tub running down to the header then it will have cast iron gt40 4 bar heads. I try to scoop up as many as I find in the local U-Pull-It yards here. If I can get a set would you want them for 250.00... they will need cleaned. and I would change out the springs with a set from the E7 heads if I where you.

  4. #4
    Quote Originally Posted by Donstang86 View Post
    http://www.steelcitystangs.com/forum...ad.php?t=25114

    How about a set of 351W heads? We can probably get these to your front door for $300!

    Pictures are on the link.
    Any thoughts???? Yes...No....MAYBE?????

  5. #5
    Twisted Designz
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    351 heads

    The heads on a 351W motor will be a set of E7TE heads. Which are the same heads on the 5.0. H.O. in the Mustang. The E7TE heads are good with a basic porting job, but unless your doing it yourself. Your money would be better spent on a set of Pro Comp Alum heads off E-bay for about $700.00. Same holds true with the GT-40 or GT-40P heads.

    Now if you are going to just bolt a set of heads on with out any work. Then the GT-40 are the better way to go. The GT-40P heads are almost the same thing as the non P heads. The difference id the angle of the spark plugs. You will need to change your headers to use P heads. MAC makes a set that clears the plugs, but you will pony up about 400.00 for them. Now if you dont mind doing alittle bit of modding. You can take a set of BBK 1 5/8s shorty headers and a 9/16 socket and the BFH. A few taps to a couple of the tubes will clear the plugs with 90 degree boots.

    Another word of advise. If you use the GT-40P heads. Change the valve springs out with the ones from a set of E7TE heads. The P spring are prone to float around 4500 rpm on a E303 cam.

  6. #6
    Senior Member bluenotch's Avatar
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    I have p heads and b4 i put a turbo on my car i had bbk 1 3/4 longtubes with ford racing wires they fit fine no need to use bfh
    hmmm what's next?

  7. #7
    Quote Originally Posted by Twisted15431 View Post
    The heads on a 351W motor will be a set of E7TE heads. Which are the same heads on the 5.0. H.O. in the Mustang. The E7TE heads are good with a basic porting job, but unless your doing it yourself. Your money would be better spent on a set of Pro Comp Alum heads off E-bay for about $700.00. Same holds true with the GT-40 or GT-40P heads.

    Now if you are going to just bolt a set of heads on with out any work. Then the GT-40 are the better way to go. The GT-40P heads are almost the same thing as the non P heads. The difference id the angle of the spark plugs. You will need to change your headers to use P heads. MAC makes a set that clears the plugs, but you will pony up about 400.00 for them. Now if you dont mind doing alittle bit of modding. You can take a set of BBK 1 5/8s shorty headers and a 9/16 socket and the BFH. A few taps to a couple of the tubes will clear the plugs with 90 degree boots.

    Another word of advise. If you use the GT-40P heads. Change the valve springs out with the ones from a set of E7TE heads. The P spring are prone to float around 4500 rpm on a E303 cam.
    The 1969/1970 351W heads are not E7TEs. The valves are larger that the E7TE heads and equivilant with the GT40 heads.

    D00E Specs:
    60cc Chambers
    1.84" Intake Valves
    1.54" Exhaust Valves
    Port Size: 1.94"x1.76" Intake
    1.24"x1.00" Exhaust

    My heads are $250, ready to bolt on and you can use them with a stock set up headers unlike the GT40Ps. They are a good deal for someone on a budget.
    Last edited by Donstang86; 03-23-2012 at 01:39 AM.

  8. #8
    Twisted Designz
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    I was talking about the Late Model 351W heads. All of the Pre-80's heads are getting harder to find. Atleast around here in the wood of PA. If you want to look for and use pre-emission type heads here is a website with a list of all kinds of heads and casting number. http://mustangtek.com/heads/Heads.html

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