Head gasket torque setting

not sure if head gasket BJ020 is steel or copper makes a difference to torque setting this is for 68 E Type 4.2 gasket is in place any help thanks

No it doesn’t.

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Should the cylinder head studs/bolts be torqued on a cold or hot engine and at what reading?
Charlie

Cold, and I believe it depends on the engine.

Then re-torqued cold after the first heat cycle and then again after maybe 100 miles.