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Old 09-17-2014, 08:37 PM   #1
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Gt40p questions

Im about to get some gt40p heads and headers and I was just wondering what I should get? Like as far as gaskits because im not familiar with the gt40p heads but I was thinking about the header gaskits jead gaskets and the lower intake gaskits that connect the heads and intake if someone would please help me out so I can order the stuff so that I can get started thanks.

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Old 09-18-2014, 07:02 AM   #2
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Hold the bat phone Robin, I seemed to have found a unique car with grass growing out of its frontend. Get the bat camera Robin, hurry before this once in a lifetime opportunity passes us by.

What in the world did you do to that poor frontend of yours? Mustangs are not meant to go 4-wheeling. And they are surely not supposed to have snatch ropes laying on the ground from their rearends.




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Old 09-18-2014, 08:18 AM   #3
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I was leaving school and it was raining really badly and I turned and gave it to much gas and I lost control and hit a colvert and hit a ditch and broke everything but I already fixed everything I just need a new bumper lol

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Old 09-18-2014, 12:05 PM   #4
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Seems like that pony has been grazing.


Here is a good little read.... Five.Oh Info : The Foxbody Mustang Specifications Site : Engine, Transmission, Brakes, Suspension & more!
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Old 09-18-2014, 07:49 PM   #5
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I still can't find the gaskets or are they the same?

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Old 09-19-2014, 01:32 AM   #6
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I used Stock 5.0 Gaskets on the GT40 (3-Bar Heads). Not sure about the "P" Heads but I would think you'd use stock gaskets on them too.
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Old 09-19-2014, 07:37 AM   #7
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Thanks

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Old 09-20-2014, 10:52 PM   #8
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GT40P Exhaust Gaskets

I am new to this forum, but I work on lots of GT40P heads. I have found most readilky availble exhaust gaskets do not fit well. The exhaust port position in relation to the bolt holes won't allow standard type performance gaskets to fit cleanly, without protruding into the port. I have found the laminated exhaust gaskets Ford supplies for the 1998-2000 Explorer/Mountaineer to be the best overall and at a great price. Good Luck.
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Old 09-21-2014, 03:05 AM   #9
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Thank you so much

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Old 09-21-2014, 08:53 PM   #10
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I just got my heads and it was missing the other set of rockers is that a problem? I have some questions if someone would please answer for me? I have some 1.7 crane cams rockers will they work? Do I need new valve covers? If so what kind? Do I need a intake manifold spacer? If so what kind? Do you recommend I send the heads to a machine shop to be cleaned? Can I use my stock rockers? And pushrods? What's the best brand of gaskets also if it helps I have a e303 cam if someone would be so generous and answer these questions for me I would greatly appreciate it thanks in advance

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Old 09-21-2014, 08:54 PM   #11
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Some pics

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Old 09-22-2014, 02:14 AM   #12
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Hey Kyle, I checked my Exhaust Gaskets & the Stock Gaskets fit just fine. The holes in the Gaskets are just slightly larger than the exhaust ports in the heads.
You can use your stock rockers & pushrods but you'll want to upgrade your valve springs as that's the weakness in these heads. Stock Valve Covers will work with 1.6 Rockers (Stock Rockers)...not sure about 1.7's.
You'll have to set your upper intake on the motor & make sure you can bolt up the Throttle Body to know if you'll need a Spacer or not. I don't have enough clearance on my 94 so I have to buy a spacer. I cant get the 2 bottom bolts in the Throttle Body.
I'd get them Cleaned, Magna Fluxed, & a Valve Job before installing them.
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Old 09-22-2014, 02:30 AM   #13
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Are those Headers for "P" Heads ? "P" Heads require special headers.
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Old 09-22-2014, 07:43 AM   #14
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Yes thanks you so much man and yes I have the headers

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Old 09-22-2014, 02:49 PM   #15
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Yeah, I see the Headers in the pics. I was asking if they were the Headers that fit GT40P Heads as most headers wont work. There's only a few that will work.
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Old 09-22-2014, 04:09 PM   #16
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Anything else that I should know of?

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Old 09-22-2014, 05:51 PM   #17
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That's all I can think of. Let us know how it turns out. I'm not sure what to do about mine. Just went & took pics of my Intake & Adapter & how things wont line up. Hopefully someone knows how to solve the problem. I've got to get the pics uploaded so I can post them.
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Old 09-22-2014, 06:12 PM   #18
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Thank you well good luck man hope everything work's out with you project I know its a pain to come into a problem and not know what to do I just chilled and researched lol its a pain. And I will keep u updated I won't start until later on when I get some money I currently crashed my car so I got to drop a couple bills for that

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Old 09-22-2014, 06:45 PM   #19
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OK...I got my pics uploaded into my pics on M.E. so now I can start a Thread & hope for help...lol !!!
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Old 09-22-2014, 07:22 PM   #20
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If you get a chance take a look at my GT40 Intake Problem Thread. Just posted it.
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Old 09-22-2014, 09:21 PM   #21
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Man I took a look that looks very complicated lol I have the difference explorer intake

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Old 09-24-2014, 12:13 PM   #22
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If you are missing the rockers for the "P" heads, and have a set of 1.7's, I would make that happen. You may need new valve springs, because the 1.7 rockers and an HO cam might exceed the stock GT40P springs lift.

Getting the heads professionally cleaned and assembled is always a good idea. If you have some coin, get them decked to bump up your compression ratio, get a valve job, and have the valves unshrouded.

You already have the heads, might as well try get the most out of them.
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Old 09-24-2014, 03:28 PM   #23
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I will do so... does that mean that my 1.7 lifters will fit under the stock valve cover?

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Old 09-24-2014, 05:20 PM   #24
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I have a e303 cam

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Old 09-24-2014, 07:41 PM   #25
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They should fit under fix covers with a little massaging of the baffles.

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