Joejr915 Posted May 6, 2013 Report Posted May 6, 2013 I building a 611dm gas motor for 500ft. What for gearing do you guys run? What for size/rollout do you run? What for timing do you guys run? I'm trying to get it close 6.0 before I think of spray it Quote
trickedcarbine Posted May 6, 2013 Report Posted May 6, 2013 There are not many guys on here that will ever run a 500 ft race so you are gonna get lots of different answers. A guy Brad painter on here will be your best help on that. His name on here is banshee332? Something like that? Quote
Joejr915 Posted May 6, 2013 Author Report Posted May 6, 2013 How about 1/8th mile to get close? Quote
SlowerThanYou Posted May 7, 2013 Report Posted May 7, 2013 How about 1/8th mile to get close? You need to provide more information, bike/rider weight, primary gear ratio, 1st or 2nd gear launch; to name a few. Quote
Joejr915 Posted May 7, 2013 Author Report Posted May 7, 2013 250rider/270bike, 2.86 primary, 1st gear launch Quote
SlowerThanYou Posted May 7, 2013 Report Posted May 7, 2013 We run anywhere from a 2.05 - 2.22 ratio, with a 2.86 primary, 63" RO tire & a 220 lb. rider/310 lb. bike. As for your tires you need to find out what the top runner's are using at your tracks. Quote
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