RE: VIPER TRIM ISSUE:
i am so happy with my Vipers after knowing the exact set up tips, [ thanks to this forum ] had a race last week and Viper one powered by the o.s. 46 ax blew away the expensive Shotgun powered by a super tiger 46. imagine if Viper two was racing with the TT Pro 46. this was won not just by cornering but also straight line speed.