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Something else to consider is the 3.0/3.2 crank pulley in stock form is not compatible with the GT3 crank. The setup requires a custom made crank pulley for proper alignment plus a different pulley bolt.
I've also not seen it mentioned anywhere...but there are several different styles of flywheels and pilot bearings depending which engine and year you start with.
A few examples:
It seems the 78-79 3.0L w/915 trans and 87-89 3.2L w/G50 trans both use flywheels with press-in pilot bearings. I would expect these may work the same as original when used with a GT3 crank.
The 80-86 3.0/3.2 w/915 trans on the other hand uses a flywheel where the center is clearanced for a flanged pilot bearing. The pilot bearing bolts directly to the crank with (3) small socket cap screws. The GT3 crank does not have the threaded holes for attaching the pilot bearing in this case.
if you wanted to re-use the flywheel on 80-86 models I expect you could just have the (3) threaded holes added.
Any reason not to do it this way and just add the threaded holes similar to original....?
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