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Re: Gearboxes
461 has used toughbox minis in the drivetrain for 2014 and 2015. This year we used sonic shifters. We liked the toughbox minis since they were so simple to integrate into our sheet metal drivetrain (direct drive using the frame as the output plate). The sonic shifter worked well for us all season until we sheared the pin in the dog gear. We had been using the internals of a super shifter from '08 so the dog gear/roll pin was the older revision than the current model. I'd also recommend not running the shifter on 60 psi (we feel comfortable with 35 psi).
In regards to the "jerk" when shifting, you might experiment with ramping your motors and auto shifting for a smoother more efficient drive.
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461 Westside Boiler Invasion
2016 Tippy Quarter finalist, Warren Finalist, IN State Semi Finalist,B^3 Double Finalist
2015 Indy Semi finalist, Purdue Quarter Finalist, IN State Quarter Finalist, CORI QF, R2OC Finalist, RAGE Winner
2014 Boilermaker Semi finalist, Crossroads Quarter Finalist, & CAGE Quarter Finalist
45 Technokats
2013 Boilermaker Quarter finalist
2012 CAGE Semi finalist & Queen City Champion
2011 CAGE Quarter finalist & Midwest Semi finalist
2010 CAGE Quarter finalist, Boilermaker Champion, & Washington DC Quarter Finalist
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(Don't you hate it...) "when... no more buttons can fit onto your clothing at competitions?" - mcb [more] 
25-06-2016, 20:10
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