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AO Headbolts

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Jeff

08-12-2001 04:00:43




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I am restoring an early AOs ser#12xx and need the headbolt torque specs and sequence patren or any other info that would be helpful on this subject. Anything!.

Thanks.




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lynn

08-13-2001 18:19:57




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 Re: AO Headbolts in reply to Jeff, 08-12-2001 04:00:43  
the old head bolts that are not heat treated torque to 125 ft lbs heat treated to 150 ft lbs yours are probably not heat treated if a pulling tractor have some new made of heat treated material and torque to 165 ft lbs start in the middle, left on top of intake, right on top of intake, left bottom of valves, right top of intake, right bottom of valves, left outside top, left outside next to frame, right outside top right outside next to frame retorque after engine is hot lynn

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