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Headers for GT40P heads.
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steven13
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PostPosted: Wed May 07, 2008 12:40 pm    Post subject: Headers for GT40P heads. Reply with quote

Hi guys, have had a read through posts but couldn't find no real answer. I have Hitech headers on my EL XR8 and have installed GT40P heads. Only spark plug I have trouble with is number 4 cyc with leads and need to loosen pipes to get to plug. Are there any headers out there that you don't have to loosen or remove headers just to change plugs, plus still use original leads with 45 deg boot. If not where do you guys get your leads made up. Mine on no4 needs protection as I've already melted 1 lead.
Thanks Steve
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Timmeh
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PostPosted: Wed May 07, 2008 12:48 pm    Post subject: Reply with quote

EL GT headers work. I had them as stock on my E7 heads and they have no dramas on the GT40P heads either. No leads are touching and I have the stock 45 degree lead leads.
As for aftermarket I'm not sure.
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ELXR6lookalike
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PostPosted: Wed May 07, 2008 6:16 pm    Post subject: Reply with quote

I got hitech's on mine with GT40P's and I'm running 45deg plug boots. Can change all plugs not with ease but easy enough for me and haven't got a problem with melting leads. Although i do have a set of billet lead seperators that i got from VPW which organise the leads nicely and stop them from sitting on the headers.
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s-tranzor
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PostPosted: Wed May 07, 2008 6:19 pm    Post subject: Reply with quote

I got lead melting HM Headers at the moment. Got a set of difillipos for E-Series GT40p on thier way now...
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ELXR6lookalike
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PostPosted: Wed May 07, 2008 6:21 pm    Post subject: Reply with quote

I went and had a look at a set of di-fillipos (i live in the same town they are built in) but the price blew my mind.
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Steady ED
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PostPosted: Wed May 07, 2008 8:33 pm    Post subject: Reply with quote

The difilippos are a 4 into 1 with a 1.75" primary yeah?
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nothin suss
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PostPosted: Wed May 07, 2008 8:50 pm    Post subject: Reply with quote

I have a set of hm's with aftermarket ice leads... came up a treat with the GT40P's.. I had some pacemakers previously that i got rid of. I should have had #1 & #4 modified instead of getting new headers, the pacies sounded better icon_sad.gif
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Scaffy
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PostPosted: Thu May 08, 2008 12:20 am    Post subject: Reply with quote

By the sounds of things I'm glad I never fitted the GT40Ps to my engine. The plugs come in and out of the twisted wedge heads a piece of piss! icon_smile.gif
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Timmeh
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PostPosted: Thu May 08, 2008 9:16 am    Post subject: Reply with quote

How much are those difillipo headers costing?
May have to look into that. But not if they cost an arm and a leg.
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Scaffy
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PostPosted: Thu May 08, 2008 9:53 am    Post subject: Reply with quote

IIRC they were about a grand, or just over when I got them nearly 2 yr ago...
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ELXR6lookalike
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PostPosted: Thu May 08, 2008 10:13 am    Post subject: Reply with quote

Yer they are around that price, pretty ridiculous if ya ask me.
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s-tranzor
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PostPosted: Thu May 08, 2008 10:17 am    Post subject: Reply with quote

Im paying $1250 all up but that includes shipping to Perth...
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ELXR6lookalike
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PostPosted: Thu May 08, 2008 10:18 am    Post subject: Reply with quote

holy s**t lol i hope it's going on a pretty decent motor?
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s-tranzor
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PostPosted: Thu May 08, 2008 10:19 am    Post subject: Reply with quote

Scaffy wrote:
By the sounds of things I'm glad I never fitted the GT40Ps to my engine. The plugs come in and out of the twisted wedge heads a piece of piss! icon_smile.gif


They come out of the GT40ps the same... just the lead boot that gets stuck on some types of headers.
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s-tranzor
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PostPosted: Thu May 08, 2008 10:20 am    Post subject: Reply with quote

ELXR6lookalike wrote:
holy s**t lol i hope it's going on a pretty decent motor?


It's a stroker motor.
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ELXR6lookalike
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PostPosted: Thu May 08, 2008 10:21 am    Post subject: Reply with quote

thats ok then, big dollar headers for a big dollar motor. they are a fantastic header but some people put them on mediocre engines, just throwing money away me thinks.
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s-tranzor
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PostPosted: Thu May 08, 2008 10:25 am    Post subject: Reply with quote

^^yeah true that aye. It's not the biggest budget stroker motor but it needs a helluva lota exhaust flow...
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Scaffy
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PostPosted: Thu May 08, 2008 12:22 pm    Post subject: Reply with quote

s-tranzor wrote:
Scaffy wrote:
By the sounds of things I'm glad I never fitted the GT40Ps to my engine. The plugs come in and out of the twisted wedge heads a piece of piss! icon_smile.gif


They come out of the GT40ps the same... just the lead boot that gets stuck on some types of headers.


Ah ok. Then the DiFillipos are the go then cos there's plenty of clearance. I think my boots are 45s.

They seem to be a little big for my application at the moment though. Not sure whether to downsize to tri-ys til I stroke it or just leave them as is.
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Timmeh
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PostPosted: Thu May 08, 2008 1:18 pm    Post subject: Reply with quote

What pacemakers will fit GT40Ps on E series leads?
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ELXR6lookalike
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PostPosted: Thu May 08, 2008 1:53 pm    Post subject: Reply with quote

pacemaker used to make a header to suit gt50P's on s-series but stopped making them due to low demand. they told me they don't have anything to suit that application anymore.
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