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kabilay
03-10-2011, 08:30 AM
Any ideas, with all these modifications (3 pinion-4 pinion) and rear or mid motor config?

Chris Doughty
03-10-2011, 10:52 AM
the internal ratio of the gearbox doesn't change so you don't need to change your gearing when you change from 3-gear or 4-gear.

kabilay
03-10-2011, 11:07 AM
the internal ratio of the gearbox doesn't change so you don't need to change your gearing when you change from 3-gear or 4-gear.


The spur gear is 87t or 74t. Sorry but I used to Run dex410 and I have no idea regarding 2wd gearing

Regards.

stegger
08-10-2011, 09:10 PM
Internal ratio 2.60 / 87t spur

20t 11.31
21t 10.77
22t 10.28
23t 9.83
24t 9.43
25t 9.05
26t 8.70
27t 8.38

Big G
08-10-2011, 09:27 PM
I'll probably start with something like a 24 or 25 pinion outdoors on a 7.5 and go from there really.