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head stud snapped clean off

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66S

Post subject:

Posted: Fri Feb 08, 2013 3:48 pm

998cc

Joined: Wed Sep 13, 2006 7:26 am
Posts: 900
Location: Christchurch New Zealand

Morris 1100 wrote:

Holden red sixes you don't use oil, you use sealant because some of the bolts screw into the water jacket.I.

GM head stud thread sealant is both a sealant and lubricant.

Al

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drmini in aust

Post subject:

Posted: Fri Feb 08, 2013 4:52 pm

religious status

Joined: Fri Mar 19, 2004 6:19 pm
Posts: 39763
Location: near Baulkham Hills, NSW

sitnlo62 wrote:

michaelb wrote:

Probably irrelevant for this item

But when I fitted my new ARP head studs for 1275 I recently built, the ARP kit came with a little sachet of grease and instructions to hand tighten the studs into the block :shock:

Hand tightening Studs is the correct procedure for any stud.

When you think about it, tightening a stud into a threaded hole achieves nothing..

A stud that has been driven into its mating thread by a spanner, stud driver or the like has in fact not been tightened at all, it has been screwed into its mating thread until the threads are Jammed together. Not a Good Situation.

Dave

I leave my studs finger tight in the block. So whenever I need to get the head off I don't need to disturb the *&$#@( LCB and zorst. I just pull all the head studs then slide the head forward and up.

_________________
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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danny_

Post subject:

Posted: Fri Feb 08, 2013 7:59 pm

998cc

Joined: Sat Jul 23, 2011 9:32 pm
Posts: 1171
Location: Sydney (St George area)

I attached the head back on and none of the studs snapped. YAY!
Does anyone know what the valve clearances are now? i have installed 1:3 roller tip rockers.

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Current: 1970 Mini K 2014 Focus ST
Past: 93 Rover, 64 850, 97 Rover, 66 Deluxe, 66 Moke
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drmini in aust

Post subject:

Posted: Fri Feb 08, 2013 8:01 pm

religious status

Joined: Fri Mar 19, 2004 6:19 pm
Posts: 39763
Location: near Baulkham Hills, NSW

Set to .016" if you don't know what cam it is.
And when using feeler gauges on roller rockers stick them in sideways so you can feel if tight or not. Not in the front....

_________________
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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dodge

Post subject:

Posted: Fri Feb 08, 2013 8:18 pm

998cc

Joined: Tue Feb 07, 2006 7:34 am
Posts: 950
Location: brisvages

arp are the best , they dont stretch ot twist , u will rip the threads out of the block before you snap a 8mm bolt

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A good friend will come and bail you out of jail...but a true friend will be sitting next to you saying "Damn...that was fun!"

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Harley

Post subject:

Posted: Fri Feb 08, 2013 8:21 pm

1360cc

Joined: Mon Aug 23, 2004 10:07 pm
Posts: 10654
Location: SE Melbourne

I'd rather snap the bolt! :lol:

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69k1100

Post subject:

Posted: Fri Feb 08, 2013 9:40 pm

998cc

Joined: Sun Sep 04, 2011 10:46 pm
Posts: 526
Location: S.A

Hopefully they stretch slightly. Wouldn't be much use if they didnt.

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