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Torque for Diff Bolts

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drmini in aust

Post subject: Re: Torque for Diff Bolts

Posted: Tue Jul 07, 2015 7:43 pm

religious status

Joined: Fri Mar 19, 2004 6:19 pm
Posts: 39755
Location: near Baulkham Hills, NSW

Bill B wrote:

drmini, they are 3/8" UNF threads but the head takes a 5/8" A/F spanner; rather than 9/16" A/F which is the standard head size.

Bill I just measured a spare carrier and yes you are right, my bad. :oops:

No wonder the buggers stretch or strip @ 55ft/lb or more!!

_________________
DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R. :mrgreen:

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winabbey

Post subject: Re: Torque for Diff Bolts

Posted: Tue Jul 07, 2015 7:56 pm

1360cc

Joined: Wed Oct 03, 2007 9:04 pm
Posts: 6750
Location: Melbourne, VIC

You may already be aware that the part number for the bolt is ATA7043. If you Google it you'll find a few hits that have photos. May help identify the source manufacturer(s) that supply the various parts suppliers.

_________________
ex-NSW Police 1970 MK II Cooper S
VMCI #43

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drmini in aust

Post subject: Re: Torque for Diff Bolts

Posted: Tue Jul 07, 2015 9:34 pm

religious status

Joined: Fri Mar 19, 2004 6:19 pm
Posts: 39755
Location: near Baulkham Hills, NSW

I'm amazed that bolts stretch instead of ripping the threads out of the cast iron diff centre!

_________________
DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R. :mrgreen:

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