Do ARP head bolts stretch?

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Jan 11, 2008 | 02:35 PM

ericschimmel

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From: Ames, Iowa

Do ARP head bolts stretch?

I replaced my head bolts with ARP bolts, and I just blew my headgasket

. Is there a good chance that the bolts stretched or will they be alright to reuse?

Jan 11, 2008 | 02:39 PM

Throwdown

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From: CAPITAL CITY Tallahassee D.S., Florida, U.S.A

Re: Do ARP head bolts stretch? (ericschimmel)

they will stretch...just measure them...

Jan 11, 2008 | 02:47 PM

pdiggitydogg

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From: Beware Of Perverts

Did you ever recheck the nut torque after installing them (recommended 10 heat cycles)

Jan 11, 2008 | 03:00 PM

ericschimmel

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From: Ames, Iowa

oh yeah. I've been boosted almost 7 months now. I rechecked them a long time ago. How long should they be?

Jan 11, 2008 | 05:40 PM

Throwdown

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Re: (ericschimmel)

go to arp's website and get the measurements i forget how long

Jan 11, 2008 | 05:44 PM

Frickr

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Re: (Throwdown)

they will stretch a little yes, all metel will stetch and shrink with heat. ive heard to tq, then loosen then tq again about 5 times in a row to get the propper stretch

Jan 19, 2008 | 08:06 AM

Lord Helmet

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Re: (Frickr)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Frickr »</TD></TR><TR><TD CLASS="quote">they will stretch a little yes, all metel will stetch and shrink with heat. ive heard to tq, then loosen then tq again about 5 times in a row to get the propper stretch</TD></TR></TABLE>

That's correct according to arp website