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tightening conrod bolts

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Old 17-09-2007, 10:08 AM
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Markb_s1
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Default tightening conrod bolts
A mate of mine is rebuilding a peugeot gti6 something or other engine... when bolting the conrods up to the crank he's checked several references and they all say tighten to XXXNm and then an additional 70 degrees.

is it literally just what it sounds like?

i.e. torque them all up to the specified setting and then once they're all done turn each one an additional 70 deg. clockwise?



thanks,

mark.
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Old 17-09-2007, 10:10 AM
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GARETH T
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yes
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Old 17-09-2007, 10:15 AM
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cheers
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Old 17-09-2007, 10:15 AM
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GARETH T
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big ends, 20 nm, then 70 degrees
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Old 17-09-2007, 11:40 AM
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tabetha
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Just buy a degree disc, about a tenner from halfords.
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Old 17-09-2007, 12:08 PM
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20Nm sounds like what he mentioned on the phone


and tabetha, i do believe he's just bought some kind of protractor device to measure the rotation.

thanks again guys.
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Old 17-09-2007, 12:20 PM
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Default Torque
Yes the Torque Turn method, supposed to be more accurate.
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Old 17-09-2007, 12:23 PM
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Common with stretch bolts, almost never used on ARP's etc though
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Old 17-09-2007, 02:31 PM
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thank. will bear that in mind,
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