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Torque spec connecting rods?

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Old 02-15-2014, 01:35 PM
utah95's Avatar
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Default Torque spec connecting rods?

It looks to me like the connections rod bolt torque specs in Rave are 15ft/lbs + 80 deg. Am I reading that correctly? Are the bolts the type that need to be replaced each time? I dropped my oil pan and checked a few bearings for wear and wanted to make sure I have it back together correctly. Thank you in advance for any assistance.
 
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Old 02-15-2014, 07:45 PM
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It looks like you torque them all to 15lbf.ft at first and the do a final 80 degree turn. Torque settings (RAVE).pdf Check that PDF. The rod bolt are down toward the bottom.
 
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Old 02-15-2014, 10:17 PM
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Originally Posted by utah95
It looks to me like the connections rod bolt torque specs in Rave are 15ft/lbs + 80 deg. Am I reading that correctly? Are the bolts the type that need to be replaced each time? I dropped my oil pan and checked a few bearings for wear and wanted to make sure I have it back together correctly. Thank you in advance for any assistance.
You should replace them each time you install being torque to yield bolts.
If you use them more than once you run the risk of relaxation in service and spin of shells in the rod!

That will wreck the rod /crank pin dictating rectification or replacement.
Amistades
TV
 
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Old 02-20-2014, 11:24 PM
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Are the rod bolts torque to yield? I would have thought Rave would have recommended replacement if they are. I did not see a replacement suggestion in the manual. However, I also would have thought the spec of 15# + 80 deg. would have meant they were toque to yield bolts.
 
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Old 02-20-2014, 11:33 PM
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Originally Posted by utah95
Are the rod bolts torque to yield? I would have thought Rave would have recommended replacement if they are. I did not see a replacement suggestion in the manual. However, I also would have thought the spec of 15# + 80 deg. would have meant they were toque to yield bolts.
Any torque to yield bolt is disposable after ONE use.
That is an engineering maxim--see Young's Modulus of Elasticity.
T/V
 
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