I remember doing the job on an MGB flywheel. I put the ring gear in the
oven, with broiler and main element on max, and had the flywheel in the
freezer overnight. Dropped the ring gear on the flywheel, slick as can
be, works fine lasts a long time... YMMV.
You might make the old gear come off easier by drilling a hole through it
before attacking it with a chisel, which is what I did, again, YMMV.
I used that method on a couple. The process is for those
aming us who can get by without instant gratification.
Besides, every grease monkey likes a hot wrench every now
and again. If the OP has a freezer and a large enough oven
to take the gear up aroung 450 deg/f, it should work great.
The main thing to remember is to use pliers to handle it and
be ready to work fast as the temperatures equalize rapidy
once they touch.
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