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41-58 of 58 Results
  1. 5.0L Tech
    On the stock E7 heads there is a hole on the back of one of them with a line going from it to the smog pump. I was told this was... something with the word termactor in it.... anyway, the hole is not there on my GT40 heads. It seems very plausible that this thing is necesarry to pass smog...
  2. 5.0L Tech
    I am putting a 1997 Explorer Upper and Lower intake on my 1989 Mustang GT. I would like to do away with all the EGR stuff. I was told that you can plug the Explorer lower intake with some sort of plug. Does anyone know what size plug this would take? Are there any specifics like drill bit and...
  3. 5.0L Tech
    I've talked to a few of my buddies who know more about 302's than I do and they say that if I'm going for a budget/junkyard/cheaper build than normal that GT40 Exploder Cast Iron heads or Gt40P's will bolt onto my engine. I'm worried about carb intake's working with the heads. Not to mention if...
  4. 5.0L Tech
    is there anyway to make my gt40p heads cobra intake 65mm tb and 73mm maf perform better it wasnt to impressed i did think it was worth the money ,but would like to no whats next for me
  5. 5.0L Tech
    do i need new valve springs because i bought gt40p heads (off a explorer) and i want to use ford racing 1.7 roller rocker arms? in 3 months or so i want a tfs1 camshaft but i thought i would upgrade to Trick Flow Specialties TFS-2500100 - Trick Flow® Valve Spring Upgrade Kits - Overview -...
  6. 5.0L Tech
    so im currently looking for some gt40ps or gt40 just and within 2-4 months ill be looking to install a Tfs 1 cam Trick Flow Specialties TFS-51402000 - Trick Flow® Track Max® Hydraulic Roller Camshafts for Ford 5.0L-Overview – but can i use the valve springs and rocker arms on...
  7. 5.0L Talk
    (sorry if im not allowed to post this here) so i need to buy some gt40 or gt40 p heads They must have the smog pump holes on the back no broker bolts no cracks no rust and they dont need to have the rocker arms because im looking for 1.7 or 1.72 if they have those even better i live in...
  8. 5.0L Tech
    im pretty close to buying some gt40p heads cause there cheaper than real gt40 but i herd from a few people that they dont have the "thermactor plumbing" smog pump stuff on the back of the head is that true and if it is a detailed guide on how to drill it, or a estimate for a machine shop to do...
  9. 5.0L Tech
    so i bought a cobra intake with a 65 mm throttle body and going to be deal hunting ebay and junkyards for some gt40 heads.And thinking of a steeda 18 or 19 cam in a month or two. my question is what else can i do to use my parts to there potential any thing you can think of would be...
  10. 5.0L Tech
    im was changing my intake to the cobra and broke a bolt int the e7 heads so nows a good time to go with gt40 or gt40p heads ,my question is will my headers work with the gt40p heads because i can find the p heads cheaper below i listed some pictures of my FORD RACING HEADERS but not sure if...
  11. 5.0L Talk
    Ok, so the Cash for Clunkers program has been really taking off. Reports indicate that the most traded in vehicle is the Ford Explorer since the early 90's models got a horrific 15mpg. :happyhapp So my question is: Where are all these explorers going? :headscratch: As we all know the top...
  12. 5.0L Tech
    i see some gt40/explorer intakes on ebay and craiglist would i see a horsepower gain with my stock heads (i plan on geting gt40 heads later with a mild cam) was hoping for 10 hp gain with my mods and would i lose any torque
  13. 5.0L Tech
    I'll try to make it short and sweet...I've got a 1992 F150 with a 302 EFI motor...picked up an intake manifold and gt40 heads (NOT P's) and had the heads redone at the machine shop, bought some other bolt ons and various items and am about to refresh this truck thats got bad valves in the stock...
  14. 5.0L Tech
    i just put a gt40 intake on my car and now it wont start unless i step on the gas. also it doesnt idle without foot on gas and while driving at low rpm there is a bucking but when i get on the gas there is no bucking problem.
  15. 5.0L Tech
    i just put a GT40 intake on my 302 and now my car surges. i am not sure what is wrong with it any help?
  16. 5.0L Tech
    i got some gt40 heads to put on my 5.0. i have the e7 heads on it now. am i going to need to replace my head bolts or can i reuse the current bolts.
  17. 5.0L Tech
    I am Swapping the stock intake for a Gt40 intake from a ford explorer. The vac lines do not match up!! Can I get a lil help here???? I am clueless.....
  18. 5.0L Talk
    Does anyone know where I can purchase plates (or have them custom made) that fits the GT40 intake? Currently I have the 5.0L V8 plate but I wanted something more accurate. Check the pic to see what i've got now. Any help is appreciated. Thanks!
41-58 of 58 Results