Originally Posted by efiniluvr
Just to make sure:
engine code ending with AA= Standard gears, narrow gears
engine code ending with AB= RA width gears, wider gears
I thought the RA gears were shorter (narrower) than standard gearing??
the AB trans is not an RA transmission, it's just RA-width. Same ratios and whatever, just slightly less prone to breaking. The switch was somewhere in the bugeyes, I believe a bit through USDM MY 03.