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Large Arbor 05-13-2015 08:11 PM

Bolt Torques
 
Anyone know what the bolt torque is on the harmonic balancer to crank? Also if you know the torque for the intake bolts and head bolts to an aluminum block Shelby that would be helpful. I am just checking sure everything it tight and nothing is loosening.

Phil

blykins 05-14-2015 08:09 AM

If it's an ARP balancer bolt, I usually torque them at around 130.

Head studs usually get 90 lb-ft on an aluminum block. I don't really torque intake bolts. I have a calibrated hand and 9/16" wrench. :) You'd be able to tell if they were loose if you put a wrench on it.

lippy 05-14-2015 01:18 PM

For us non pros without calibrated hands, I believe intake bolts should be torqued to 22-25 ft-lb. That is for aluminum block, heads, and intake.

cycleguy55 05-14-2015 01:56 PM

Various sources:
Ford 352 360 390 406 427 428 V8 Engine Specs | Torque Specs - Cylinder Numbering - Firing Order - Distributor Rotation
Classic Truck - Classic Truck Shop
http://www.summitracing.com/expertad...rd-torque-spec

Large Arbor 05-14-2015 08:07 PM

Thanks Gents, greatly appreciated.

Phil


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