Just a quick fix for undoing the bolt. I used an impact socket with a breaker bar and a heavy bit of pipe. I wedged the breaker bar and pipe onto the concrete and briefly turned the ignition key to start. It cracked the bolt. This worked on the RB30, but it is a lot smaller than a TB or TD.
To torque the bolt on an auto, place an old V belt on the harmonic balancer and twist it real tight with a bit of strong pipe. Slip a longer bit of pipe through and wedge it onto something solid.
If done right, you should be able to torque the bolt to spec.
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