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Old 11-06-2009, 10:43 AM   #1
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Join Date: Jan 2005
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SuperNova 19 / Nova24 Raceboat
Gen V torque specs

As I hunt the web I am coming up with all kinds of answers. Some up to 20lbs difference in torques. Main caps have answers are from 90 top 110lbs, rods from 50 to 70lbs, etc, etc. I need the torque spec for a Mercruiser, Gen V, 454. Rod, mains, heads, etc, etc.
Any help?
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Old 11-06-2009, 01:24 PM   #2
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30 Scarab Panther
It all depends on the manufacturer of the fastener. (ie. bolt or stud) Tourque specs of a bolt is determined by the tensile elasticity of the material the fastener is made from. It is as tight as a bolt can be stretched without losing elasticity. If stretched anymore than the given specification the bolt will keep its elongation and lose clamping force.

I just used new ARP's and their recomendations.
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Old 11-09-2009, 12:43 AM   #3
Rob
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New shinny Peeroo
most iv see just use oil,and the factory manual said oil,if ya use arp and moly use there spec
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