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Big end bolt torque 1275
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Author:  66S [ Thu Mar 22, 2012 4:24 pm ]
Post subject:  Big end bolt torque 1275

Hi guys,
Can somebody help me out here please. I neede the conrod bolt torque for a late model 1275 with 12 point nuts. My book says 46 ft lbs but it feels wrong.

Thanlks
Al

Author:  drmini in aust [ Thu Mar 22, 2012 4:55 pm ]
Post subject: 

They are only 11/32" bolts on those motors, so I think 35 ft/lb is correct.
My Leyland book says 35 for all rod bolts except Cooper S which is 46.
My Gregorys 02 book covers 1275s up to 1978, it also says 35.

Author:  GT mowog [ Thu Mar 22, 2012 5:06 pm ]
Post subject: 

If you've torqued it to 46 ft/lbs, discard the nut and the bolt. Make sure they are NEVER used again.

Author:  TheMiniMan [ Thu Mar 22, 2012 6:21 pm ]
Post subject: 

yep, 35

Author:  66S [ Thu Mar 22, 2012 7:12 pm ]
Post subject: 

Thanks guys, I only tried one bolt and I will replace that one.
Regards
Al

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