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Farmall & IHC Tractors Discussion Forum
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torque specs on a 666 gas head

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super red

06-09-2006 17:30:35




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Would anybody know what the torque specs on a 666 gas head be and what the valve lash is ?




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K.B.-826

06-09-2006 18:58:26




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 Re: torque specs on a 666 gas head in reply to super red, 06-09-2006 17:30:35  
85-95 ft-lbs on the head bolts, .027" on all valves. Get a spray can of Hi-Tack and give the head gasket a light coat on both sides. I"d go 95 ft-lbs on the head bolts. Tighten them in sequence in three steps, first to 30, then to 60, then to 95. Get the engine under a decent load and get it up to temp. Shut it down and let it cool off just enough to where you can work on it without getting burned. Crack each head bolt loose and retorque to 95 ft-lbs one at a time in sequence.

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super red

06-10-2006 09:08:30




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 Re: torque specs on a 666 gas head in reply to K.B.-826, 06-09-2006 18:58:26  
thank you for the reply .



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