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Old 08-28-2004, 06:38   #1 (permalink)
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Bolt sequence on headers?

G'day guys,

Sorry to be asking stupid questions, but with the E series 6's do the bolts for the headers have to be torqued and removed in sequence or is that only the case with the head bolts?

The bloody mechanic who just put the head back on my EL has used the gasket for the standard exhaust manifold and it looks like crap with a set of pacemakers.

Cheers,

Mike
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Old 08-28-2004, 07:43   #2 (permalink)
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Re: Bolt sequence on headers?

your not supposed to use a gasket with extractors just use the gasket seal stuff and form a gasket around each of the 6 primaries. No there is no tightening sequence with header bolts
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Old 08-28-2004, 18:09   #3 (permalink)
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Re: Bolt sequence on headers?

I'm real glad you don't work on my car FPVWEPN!!!
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Old 08-28-2004, 19:20   #4 (permalink)
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Re: Bolt sequence on headers?



There are proper extractor gaskets that come with most extractors, they look like a thin metal sheet, and they come up over the gaps between the primaries to sheild the heat off the spark plug's and leads.
See pic (my previous EB)
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Old 08-28-2004, 22:25   #5 (permalink)
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Re: Bolt sequence on headers?

Quote:
Originally Posted by MLS
I'm real glad you don't work on my car FPVWEPN!!!
Actually he is right. Pacemaker now specify no gaskets with most of their headers, just some Hi-temp silicon gasket maker.
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Old 08-29-2004, 01:11   #6 (permalink)
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Re: Bolt sequence on headers?

Sweet no bolt sequence. So Pacemaker don't reckon you need an extractor gasket?

There was a proper extractor gasket on the car after I had the Pacies fitted the other week. I'm just a little nervous about bolting the headers back up without a gasket. Has anyone fitted the Pacies without a gasket? No problems?

Cheers,

Mike.
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Old 08-29-2004, 01:56   #7 (permalink)
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Re: Bolt sequence on headers?

just use the factory steel shim gasket
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Old 08-29-2004, 02:37   #8 (permalink)
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Re: Bolt sequence on headers?

Quote:
Originally Posted by P.O.G.U.E.
I'm just a little nervous about bolting the headers back up without a gasket. Has anyone fitted the Pacies without a gasket? No problems?
I was also a little concerned but did it on both my brothers car and mine and it works very well.
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Old 08-29-2004, 04:09   #9 (permalink)
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Re: Bolt sequence on headers?

in an old service manual i have it says to start on the outer bolts and work inside when tightening and the opposite for taking off
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Old 08-29-2004, 04:14   #10 (permalink)
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Re: Bolt sequence on headers?

i would use a gasket just for safety, and helps if there is same warp in the head or the extractors/manifold. play it safe fit one they dont cost much.
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