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Old 09-29-2014, 04:20 PM   #1
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Headers question

I have a question will the ford raceing headers made to fit the gt40p heads fit onto my stock heads?? I dont have the money to buy gaskits and rebuild everything so I was just wondering if the headers will fit on for now? And on one of the headers it has a hole in it looks like something screws into there do I leave that open plug it up or what goes there please help asap. Thanks

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Old 09-29-2014, 08:34 PM   #2
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If there is a hole in one of the primaries on the right header, those are headers for a 94/95 car. The hole is for the EGR tube for the external 94/95 EGR system. Post a pic of the right header but I am 99% sure you have 94/95 headers. They will bolt to GT40P heads but you'll need a 94/95 mid pipe too since the collector balls are fatter on 94/95 headers and fox pipes can leak if you bolt them up.
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Old 09-29-2014, 09:13 PM   #3
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This is the best I can do its late and their put up I can get a better pic tomorrow after school and whats the mid pipe?

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Old 09-29-2014, 09:33 PM   #4
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Hmmm, those are fox headers... that looks like someone welded a wideband bung on there or something. Def not like that out of the box. Just find out what sort of threads it is and get a cap for it.

Also, if you are that worried about the headers fitting, why aren't you just getting some old spark plugs, installing them and then holding the headers up against the head? P heads need 90 degree plug boots and heat shields too. I personally don't like them because of this and they are a goddamn nightmare to change some of the plugs when the motor is in the car.
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Old 09-29-2014, 11:20 PM   #5
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I got rid of my old spark plugs im just wondering if I can bolt them on just for now because I know their damm well better then thos ugly rusty little headers

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Old 09-30-2014, 09:26 AM   #6
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Read up on GT40 spark plug clearance issues. If those are legit FRPP headers then they should clear, albeit barley. Like I said you will have to run 90 degree plug boots, heat boots and you will want to find a cheap deepwell socket to grind down so you can change the plugs with the headers on the plugs/motor in the car.
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Old 09-30-2014, 09:38 AM   #7
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These are them

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Old 09-30-2014, 10:12 AM   #8
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Scotty is correct as the headers do not have any bungs on them.


Also Kyle it is not that they will not bolt up as they all bolt up but the GT40p heads have the spark plug angled. This puts it very close to the headers which burn up the wires.
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Old 09-30-2014, 10:32 AM   #9
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So I just need to get some wires that with hold all the heat

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Old 09-30-2014, 01:51 PM   #10
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No, you need to run sleeves on the wires and use looms to keep them from touching the primaries.

FYI, all FRPP shorties are the same. There isn't one specific for the GT40P headers. Ford just designed them back in the day when explorer swaps were all the rage and they made sure that they would physically bolt up. The way the plugs are angled, you still need to run special wires. Honestly I recommend ppl avoid the P heads and look for 3 bar regular GT40s. A lot of ppl are still under the impression that all explorers came with P heads but if you can find a 96 or early 97 in a JY, they will be regular GT40s.
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Old 09-30-2014, 01:51 PM   #11
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No, you need to run sleeves on the wires and use looms to keep them from touching the primaries.

FYI, all FRPP shorties are the same. There isn't one specific for the GT40P headers. Ford just designed them back in the day when explorer swaps were all the rage and they made sure that they would physically bolt up. The way the plugs are angled, you still need to run special wires. Honestly I recommend ppl avoid the P heads and look for 3 bar regular GT40s. A lot of ppl are still under the impression that all explorers came with P heads but if you can find a 96 or early 97 in a JY, they will be regular GT40s.
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Old 09-30-2014, 08:20 PM   #12
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Im new to the Explorer heads and stuff im just trying to get some more horsepower or install the headers to my stocl heads for now

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