hi all thinking about fitting a 1303 probably am code gearbox into my 69 bay.anyone on here fitted one before.engine is a 1914 single port.so im hoping it should pull the taller gearing ok...anyway anybody know whats involved what extra parts are needed.this is gona be done on mega tight budget.im well versed in making things fit that shouldnt.but would be nice to have a bit of guidence from you peeps.a problem shared is a problem halved.thanks