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Pacemakers headers for gt40p heads??? 

 

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 Post subject: Pacemakers headers for gt40p heads???
Posted: Sat Jan 30, 2010 3:50 pm 
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Hey guys im sure this has been posted before, but I just want to be 100% certain before i purchase a set of headers.

I've got a NF Fairlane with gt40p heads and standard exhaust fowels with #4 spark plug drivers side. Ive been lookin at a set of pacemaker headers PH 4000 for slight performance and there website states "Will not fit with GT40 Heads as fitted to 302W AU II due to Spark Plug angle".

http://www.bestmufflers.com/bshop/produ ... 7d07c3c026

These are the headers ive been looking at. Ive read a few posts that people have said these will fit but plug angle is very tight. Does the spark plug lead rub on the headers? I dont care if its tight, as long as its not rubbing on a hot exhaust.

Like I said, I just want to be 100% sure before i purchase. I dont want to have to resport to removing the heads to get an exhaust that fits.

Cheers Anthony
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 Post subject: Re: Pacemakers headers for gt40p heads???
Posted: Sat Jan 30, 2010 5:55 pm 
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This needs to a sticky as it's been covered endless amounts of time. For the record, they fit but you will have issues removing plugs and will need new boots on your leads as the stock ones wont get sufficient clearance. These issues can and have been worked around countless times before.

Someone will give you a much more specific answer. Welcome to Fordmods!

 

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 Post subject: Re: Pacemakers headers for gt40p heads???
Posted: Sat Jan 30, 2010 6:54 pm 
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Advance do a set of extractors to suit e series with gt40p heads
The part number is on their website :D
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 Post subject: Re: Pacemakers headers for gt40p heads???
Posted: Sat Jan 30, 2010 7:12 pm 
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I believe that the difillipo's fit GT40p heads with no issue but not 100% sure on this

 

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 Post subject: Re: Pacemakers headers for gt40p heads???
Posted: Sat Jan 30, 2010 9:37 pm 
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I have the di filippo and they fit great

 

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 Post subject: Re: Pacemakers headers for gt40p heads???
Posted: Sat Jan 30, 2010 11:27 pm 
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just a note for all genie headers and qld ignition leads foul on cyl number 2, the rest are fine. worth while investing though.

 

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 Post subject: Re: Pacemakers headers for gt40p heads???
Posted: Sat Jan 30, 2010 11:46 pm 
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difilippo crap all over genies, just buy a set of difilippo and u wont regret it

 

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 Post subject: Re: Pacemakers headers for gt40p heads???
Posted: Sun Jan 31, 2010 12:14 pm 
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MICKYYYY wrote:
difilippo crap all over genies, just buy a set of difilippo and u wont regret it


Just about any header craps over genie :lol:
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 Post subject: Re: Pacemakers headers for gt40p heads???
Posted: Sun Jan 31, 2010 12:16 pm 
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I wouldnt be getting difillipo if the motor is standard because you will lose torque and backpressure, the difillipo have a 3 inch collector and the pacemaker have 2.25 or 2.5 collector.Pretty sure the difillipos are 4 into 1 also(no good for bottom end)Tri y will work best with a stock motor.
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 Post subject: Re: Pacemakers headers for gt40p heads???
Posted: Sun Jan 31, 2010 12:23 pm 
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I agree with milo 302, i have a pair of tri y's and they are gr8!,
I think the part number is PH 4001?,
Just tell them they are for a E Series hope that helps!.

Cheers,
Jason.
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 Post subject: Re: Pacemakers headers for gt40p heads???
Posted: Sun Jan 31, 2010 12:35 pm 
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Pacemaker dont do extractors to suit gt40p heads in e series, only advance headers do them as far as i know.
But i do have pacemaker 4000,s on my el and they work great with the stock ho motor.
Im not sure if 4001 pacies fit e series, they are the au v8 version.Pacemaker say they dont fit but i couldnt tell you for sure
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 Post subject: Re: Pacemakers headers for gt40p heads???
Posted: Sun Jan 31, 2010 12:39 pm 
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I tend to agree with milo 302 in regards to a standard engine but if u think ur gona do a head and cam upgrade then definatly go difillipo

 

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 Post subject: Re: Pacemakers headers for gt40p heads???
Posted: Sun Jan 31, 2010 12:59 pm 
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don't listen to the crap PACEMAKER tell you. :)
E series pacies WILL fit GT40P heads in an E series, just need 90 degree spark plug boots and its a b**ch to change plugs but its not like you change plugs every second week.
with the 90 degree plug boots you wont melt any leads and if your worried about it then just whack some heat tape on the boots.

I'm also on the TRI-Y band wagon unless you are planing future upgrades past the 200rwkw mark.
its not a massive difference between 4 into 1 and tri-y but the little bit extra torque you make with the tri-y's is heaps more valuable to you than a few extra kw at the top end.

 

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 Post subject: Re: Pacemakers headers for gt40p heads???
Posted: Sun Jan 31, 2010 1:18 pm 
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I agree too...just don't get genie!
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 Post subject: Re: Pacemakers headers for gt40p heads???
Posted: Sun Jan 31, 2010 2:09 pm 
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I have the Pacies on my GT40P heads and they're fine. I don't use heat tape though, I use the kevlar heatsleeves to prevent lead problems and after more than 12 months of running the heatsleeves, I am extremely happy with them.
I also think that unless you are going proper aftermarket heads or putting out high kw's ( 260+ ), Pacies are fine.

 

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