gt40 heads. questions

Discussion in 'Technical' started by 510madmav, May 28, 2009.

  1. 510madmav

    510madmav Member

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    i'm interested in going and picking some up, but first a few questions..
    If i don't get the gt40(p) heads, is it even worth just getting the gt40 heads? i don't want to deal with the straight spark plug issue.
    what exactly are the advantages of using these heads? also what year cars did they come on? and are they set up for a roller motor, can i change them to work with my hydraulic? thanks!
     
  2. mean_maverick

    mean_maverick Senior Member

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    the "p" heads are the ones with the issues, not the regular gt40's....

    they came on lightning trucks 5.8, '93-'95 cobra's, and '96-up Ford explorer 5.0 engine. only '96 and early '97 have the regular gt40's, late '97-2000 all have the "p" heads
     
  3. 510madmav

    510madmav Member

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    yeah i meant to say those are the ones i'm not looking for
     
  4. mean_maverick

    mean_maverick Senior Member

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    check for 96-97 v8 explorers/mountaineers. they're your best bet (y)
     
  5. 510madmav

    510madmav Member

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    thank you. one problem arises my local wrecking yards take out their motors and part them out, so i will have to look through a million different heads.
     
  6. bradleygt

    bradleygt Member

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    [​IMG] the gt-40s have three lines on the ends
    the gt-40p have four lines
    i pulled a pair off a 97 last fall for $37 and change from lkq

    brad:)
     
  7. 510madmav

    510madmav Member

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    good to know.
     
  8. 510madmav

    510madmav Member

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    I think i may just got with some good 351w heads. my 73' 302 headers will bolt up to 351 heads right?
     
  9. Mavman72

    Mavman72 Gone backwards but lookin' forward

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    Yes they will...
     
  10. my70mav

    my70mav Member

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    i paid 250 for a complete 96 explorer engine with gt 40's and then sold the intake manifold to a guy with a foxbody mustang for 200.if you can get them cheap mustang guys buy them pretty quick.
     
  11. scott

    scott Member

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    Try this web site.
    http://www.car-part.com/
    I found all kinds of heads near to me just for fun... think i'll tell my son. he is looking for some to rebuild.
     
  12. chupafuego

    chupafuego PhxCOMET

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    I got the "p" heads on my 71'. The 'p' stands for pain in the A$$. I made it work but I won't do it twice.The plug clearance can be overcom wit tri-y's but then it hits the pitman arm. :-(
     

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