Nodge68
Well-Known Member
The PG1 box as different bell housing sides of its casing to suit whatever engine is mated too. The PG1 from a M or T series engine won't mate to a 1.8 K series. The IRD is also fitted to the bell housing side if the casing. As no other vehicle in the Rover range had an IRD, the bell housing side of the casings aren't made to fit the IRD. This is why your box choices are limited to FL1 only boxes.Thanks for this link, I've just had a read and asked a question. They used the PG1 gearbox and I think the MG ZT-T clutch assembly (somehow).
You can upgrade the standard PG1 by replacing the plastic caged bearings with steel replacements- will be doing something similar later this year
That's only part of the upgrade. The standard "high torque" box has doubled main shafe bearing to keep the gears in alignment under torque.
It’ll be up-rated with steel caged bearings as all turbo PG1 boxes (petrol or diesel) are
You'll need to machine the box to take the double main shaft bearings too.
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