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Torque spec for header installation

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Old 08-13-2003, 08:21 AM
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tc
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Default What's the required torque for header installation.

Hi,
I've got the header in place and all ready to go. I wanted to double check what the appropriate torque is for the head to exhaust manifold and exhaust manifold to cat. Thanks!
Can't wait to go for a drive...
Old 08-13-2003, 08:26 AM
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Default Re: What's the required torque for header installation. (tc)

Head to exhaust manifold - 23 ft-lbs

Make sure you clean off the studs and use a *small* dabble of anti-seize.
Old 08-13-2003, 08:33 AM
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Default Re: What's the required torque for header installation. (.RJ)

imo use anti seize and just hand tight.
Old 08-13-2003, 08:34 AM
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Default Re: What's the required torque for header installation. (Soup ****)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Soup **** &raquo;</TD></TR><TR><TD CLASS="quote">imo use anti seize and just hand tight.</TD></TR></TABLE>

hand tight - they'll back out.
Old 08-13-2003, 08:50 AM
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Default Re: What's the required torque for header installation. (.RJ)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by .RJ &raquo;</TD></TR><TR><TD CLASS="quote">

hand tight - they'll back out. </TD></TR></TABLE>

Mine are hand tight and haven't backed out yet
Old 08-13-2003, 09:08 AM
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Default Re: What's the required torque for header installation. (.RJ)

Thanks!
What about header to cat? I've been told this is a common source for exhaust leaks.
Old 08-13-2003, 11:30 AM
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Default Re: What's the required torque for header installation. (tc)

Anyone?
I've searched but they all show for the head to header torque.
Thanks!
Old 08-13-2003, 12:05 PM
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Default Re: What's the required torque for header installation. (tc)

The header/cat. connection shouldn't leak as long as there is decent tension on the springs, the gasket is in good shape, and everything is lined up properly.
Old 08-13-2003, 12:22 PM
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Default Re: What's the required torque for header installation. (tc)

header to cat:
22N.m (2.2kgf.m 16lbf.ft)
Old 08-13-2003, 01:24 PM
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Default Re: What's the required torque for header installation. (stRtypR25)

how about tightening it with a wrench until the bolt wont move anymore???
Old 08-13-2003, 01:29 PM
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Default Re: What's the required torque for header installation. (EbboyPSi)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by EbboyPSi &raquo;</TD></TR><TR><TD CLASS="quote">

Mine are hand tight and haven't backed out yet </TD></TR></TABLE>

Are they really "hand" tight or did you use a wrench.
Old 08-13-2003, 02:13 PM
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Default Re: What's the required torque for header installation. (.RJ)

I hope you guys mean 'hand tightened' with a wrench.
Old 08-13-2003, 03:43 PM
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Default Re: What's the required torque for header installation.

In my VW days we used to call that "German Torque", that is "guudentite".
Old 08-13-2003, 10:37 PM
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Default Re: What's the required torque for header installation. (stRtypR25)

Thanks!
I just wanted to make sure and get it right, as I heard some people have caused "cracks" in the header near the collector from over tightening...
Old 08-14-2003, 05:48 AM
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Default Re: What's the required torque for header installation. (.RJ)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by .RJ &raquo;</TD></TR><TR><TD CLASS="quote">

Are they really "hand" tight or did you use a wrench.</TD></TR></TABLE>

I mean hand tight w/ a 3/8" ratchet .

Hand tight w/ fingers would be worthless
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