P heads on a 351? - Ford Mustang Forums : Corral.net Mustang Forum
 
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post #1 of 6 Old 11-04-2007, 11:00 AM Thread Starter
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P heads on a 351?

This isn't for a Lightning per-se. My friend has a 95 F250 with a 351, and he wants some more go power. I found a set of P heads brand new for 300 bucks. The problem is I have no idea what header will work with those heads on a truck. None of the ones I see listed say anything about working with a P head. Anyone know if this is possible?


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post #2 of 6 Old 11-04-2007, 02:49 PM
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Ford Racing shorty headers advertise they clear the P head.

Its the spark plug angle on those thats the problem
Most headers will work, you just have to check for plug clearance


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Last edited by r.barn; 11-04-2007 at 02:53 PM.
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post #3 of 6 Old 11-05-2007, 01:42 AM Thread Starter
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The FMS headers for a Mustang or do they make ones for truck applications that the plugs work with? I know they make headers for Mustangs, but I didn't see ones for trucks that specifically said that it would clear. I know the ones for a fox Mustang specifically say they work with P heads.

http://store.summitracing.com/partde...5&autoview=sku

are the FMS truck headers. Mostly concerned about that rear tube on each bank. Definitely do not want to put this together only to find that the headers wont work, or we'll need custom stuff.

86 Lincoln Town Car
5.0 HO,FMS 1.72 roller rockers, BHPerformance ported E7 heads, Explorer intake, Hedman shorties, 2.5" dual exhaust with Impala tailpipes, traction lock with carbon-fiber clutches, 4 wheel disc brakes, ASP underdrive pulley

91 Mark VII LSC SE - triple black, all stock
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post #4 of 6 Old 11-05-2007, 10:49 AM
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For around $400 you could find a set of used GT40 iron heads in good condition from a Gen 1 Lightning or a '93 - '95 Cobra and use Gen 1 Lightning headers.
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post #5 of 6 Old 11-05-2007, 08:08 PM
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my cousin has a 84 f250, 351 4wd that he put some p heads on i sold him, drilled them out, used sbc wires and flowtech headers for that truck with a 351, fit just fine. runs pretty good too, small cam, stealth intake etc...
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post #6 of 6 Old 11-07-2007, 09:43 AM
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I have a set of P heads and a set of Fox Mustang headers.( BBK 1515)
If you use 90 degree spark plug boots on some of the plugs , they will clear.

I had a 83 F-150 with a 351W and used factory 87 Stang shorties on it, and it cleared everything (barely...especially the firewall on the driver's side)

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