rb20 + pm fat mamba , what gearbox ?

king of the hill · Wed Sep 16, 2009 6:51 pm

building a rb20 with fat mamba exhaust , what final drive ratio will this need ?
gearbox / sprocket suggestions ?

greetz
tim

Adspeed · Wed Sep 16, 2009 8:10 pm

Could give Chiselspeed a bell, their demo is the same spec and it motors!!

Markus · Thu Sep 17, 2009 12:23 pm

A mate has such an engine on the road and tried different ratios. He said Li150 with 17/47 was best.

king of the hill · Thu Sep 17, 2009 3:34 pm

thanks for the replys , will have a go with the li150 box .

greetz
tim