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jazz guy
Joined: 26 Nov 2002
Posts: 434
Location: Colorado
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 Posted: Sun Jul 27, 2014 2:53 pm Post subject: Torque spec question |
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I'm working on putting the rear suspension back in my 82 931 and it's come time to torque the bolt that attaches the trailing arm to the torsion tube. I checked the Haynes and it says 177 foot/pounds. That sounds really high and I don't trust it. I did a little interwebs searching and didn't find anything definitive on the 924 but found several listings for the 944 that spec'd 46 ft/lbs. Anyone know the correct spec?
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924RACR
Joined: 29 Jul 2001
Posts: 9112
Location: Royal Oak, MI, USA
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| Posted: Sun Jul 27, 2014 9:23 pm Post subject: |
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Which one, exactly? There are many...
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Vaughan Scott
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'79 924 #77 SCCA H Prod racecar
'82 931 Plat. Silver
#25 Hidari Firefly P2 sports prototype |
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kcoyle
Joined: 15 Jan 2011
Posts: 712
Location: Long Island, NY
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| Posted: Mon Jul 28, 2014 1:24 am Post subject: |
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I'm puzzling over some torque specs myself so I have the FSM open alrready. This page is from my 931 PDF FSM.
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1982 931- Stock with MBC at 8psi
Relax, all right? My old man is a television repairman, he's got this ultimate set of tools. I can fix it. |
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jazz guy
Joined: 26 Nov 2002
Posts: 434
Location: Colorado
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| Posted: Mon Jul 28, 2014 1:40 am Post subject: |
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| 924RACR wrote: | | Which one, exactly? There are many... |
This one:
| kcoyle wrote: | | This page is from my 931 PDF FSM. |
That is exactly what I needed! Looks like it is the trailing arm to torsion bar tube = 44 ft lbs
Cheers! Brian
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924RACR
Joined: 29 Jul 2001
Posts: 9112
Location: Royal Oak, MI, USA
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| Posted: Mon Jul 28, 2014 1:51 am Post subject: |
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Agreed; you were obviously being pointed at the M16 bolts that also form the height adjustment, with the eccentric.
Usually bolt size is a general guideline in itself to an appropriate torque, beyond that come the specifics of fitment and usage (with respect to our cars - grade doesn't vary much on the cars)...
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Vaughan Scott
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'79 924 #77 SCCA H Prod racecar
'82 931 Plat. Silver
#25 Hidari Firefly P2 sports prototype |
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