Guy's there was a thread a while ago on gearbox ratio's as a guide to match a box to diff's but can't find it.

Anyone drop a link in or point me in any directions...need to know what difference there is between a 1aa box and a 3aa box. I have a 1aa box in at the min and its a 4.11 ratio

Thanks

 

found it! its on another site, trying to figure how to put it up. bear with me mate

 

uhpm mate