18 sounds a little low for a 6.5t. The internal ratio on the Bmax is pretty similar to the B44 and I tended to run more like 20 with a 5.5t. At Rossendale Marks car ran with a 24t pinion, 81 spur and a 6.5t motor. That was admittedly overgeared but it flew.
__________________
Yz4 - Yz2
DEX210 - Cobra 4210- DEX410
RC10 Team - Manta Ray - RC10T
Mini Trophy - Blizzard - Wheely King
Tz4 - GT24B
BMRCC
Emergency back-up race controller
(but only if nobody better is available)
|