Offshoreonly.com - Gen V torque specs

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f_inscreenname

11-06-2009 09:43 AM

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?

Rookie

11-06-2009 12:24 PM

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.

Strip Poker 388

11-08-2009 11:43 PM

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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