GMT 800 & Older GM General Discussion 2006 & Older Trucks | General Discussion

broken HEADER bolt...

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Old Feb 24, 2012 | 01:02 PM
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Default broken HEADER bolt...

Would ARP header bolts prevent getting broken bolts from general driving

am i loosing performance? it feels different
i have one bolt broken and another is loose and causing a leak
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Old Feb 24, 2012 | 01:09 PM
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Yea, ARP bolts are a lot harder and stronger than the cheesy GM bolts.
loosing performance depends on if your O2 sensors are reading the extra air from the exhaust leak and richening up the fuel mixture trying to compensate for a lean condition that really isnt there.
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Old Feb 24, 2012 | 01:58 PM
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Default No the O2's are tuned out

Originally Posted by nonnieselman
Yea, ARP bolts are a lot harder and stronger than the cheesy GM bolts.
loosing performance depends on if your O2 sensors are reading the extra air from the exhaust leak and richening up the fuel mixture trying to compensate for a lean condition that really isnt there.
the O2's are tuned out
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Old Feb 24, 2012 | 02:01 PM
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The front ones arent.
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Old Feb 24, 2012 | 02:09 PM
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when i took my stock manifold off the driver side rear bolt was broke off and sill in the hole. been running with out it for 30k miles or maybe allot more.

no issues, or leaks.

just tighten that loose one up.
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Old Feb 24, 2012 | 02:50 PM
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Is it speed density tuned?
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Old Feb 24, 2012 | 03:30 PM
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Default wheatley tuned

Originally Posted by nonnieselman
Is it speed density tuned?
wheatley tuned is all i know
i got to pay a muffler guy to get the bolt out, he warned me about getting headers for this very problem[ broken bolts]
im thinking ARP bolts would prevent this
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Old Feb 24, 2012 | 04:08 PM
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If you get good quality bolts they shouldn't break on you...they do have a tendency to loosen up from time to time so I just go through them periodically and snug them up. If you got a wheatly tune your front o2 sensors will still be on, they are important and will affect how your truck runs. The second ones which you likely no longer have and are the ones that typically get shut off merely monitor how your cats are functioning and will not cause any driveability issues, but they will throw dtc codes.
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Old Feb 24, 2012 | 07:04 PM
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Like Atomic has mentioned in the past, go to fastenal an get some 10.5 hex cap bolts. This is what I will be using when I install my 6l soon. I have seen many of these broke
Including mine in my 5.3, I just let it leak as I'm about to swap.
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Old Feb 24, 2012 | 07:42 PM
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Default Dam header bolts

Originally Posted by WhiteChevy3
Like Atomic has mentioned in the past, go to fastenal an get some 10.5 hex cap bolts. This is what I will be using when I install my 6l soon. I have seen many of these broke
Including mine in my 5.3, I just let it leak as I'm about to swap.
DAM HEADER BOLTS I HOPE TIGHTING THE ONE LOOSE ONE WILL MAKE A DAM DIFFERENCE

THE 'MUFFLER MAN ' WANTS 200-300 [MAYBE CHEAPER] TO GET THE BROKE BASTARD OUT
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