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Intake and Head bolt Torque specs for 502 MPI

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Old 05-10-2007, 03:26 PM
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Default Intake and Head bolt Torque specs for 502 MPI

I've been searching up and down, and cant seem to find the Torque specs for the Intake and Head bolts for 502 MPI.

Anyone have a link to this ?
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Old 05-10-2007, 06:04 PM
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I think the final torque is 100 fp.
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Old 05-10-2007, 07:40 PM
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28lbs. on intake/ 95- 105 HB moly lube the HB threads
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Old 05-10-2007, 09:05 PM
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The head bolt torque totally depends on what lube that you use on the head bolts. Use 30w oil, and it is much higher than if you use ARP lube.

On a 502, using ARP bolts, with ARP lube, the Tq for all the bolts is 65 lbs. If you use 30w oil, on the same bolts the torque is 85 lbs. Needless to say, this is done in 3 or 4 steps,(35-50-65) (30-45-65-85) and according to the correct GM pattern.
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