Originally Posted by TUCKERS
I am pretty sure the RT box has 'longer legs' your GS has short legs for off road useage. Nothing wrong with the longer legs, better gas mileage and lower RPM at high cruising speeds.
Gerabox Ratios should be the same but the final drive ratios vary between GS & RT
1100 GS 3:1
1100 RT 2.78:1