The B2 and B3 (and also T3) gearboxes are the same, the only difference are the slipper pads, a little bigger on the newer B3 ones.
The ratio is the same for all of them 2.40:1
http://www.teamassociated.com/pdf/ca...hared/9350.pdf
I think that Welshy probably mixed some information regarding some other associated transmissions ..... he got too many car

!!!
Bye
Ema