Banman1122 Posted July 21, 2014 Report Share Posted July 21, 2014 I got a 421 hjr porting 80-85hp +8 swinger 67ro 11paddle haulers. What would appropriate gearing? Now is 13/42. Sent from my iPhone using Tapatalk Quote Link to comment Share on other sites More sharing options...
trickedcarbine Posted July 21, 2014 Report Share Posted July 21, 2014 What pipes and carbs? Assuming shearers and 35's? Quote Link to comment Share on other sites More sharing options...
CottonBranchRacing Posted July 21, 2014 Report Share Posted July 21, 2014 8th mile...? 300'..? What are you doing with it.. CottonBranchRacing Quote Link to comment Share on other sites More sharing options...
Banman1122 Posted July 21, 2014 Author Report Share Posted July 21, 2014 300ft Sent from my iPhone using Tapatalk Quote Link to comment Share on other sites More sharing options...
Banman1122 Posted July 21, 2014 Author Report Share Posted July 21, 2014 39mm pwks, 18cc domes, 180 psi, 104 oxy fuel, rdz oof sb pipes, +6.5 timing Sent from my iPhone using Tapatalk Quote Link to comment Share on other sites More sharing options...
CottonBranchRacing Posted July 21, 2014 Report Share Posted July 21, 2014 You're right at 3:1, which is fine. You could still go higher if you wanted. Id gear it where you could make a pass in just four gears CottonBranchRacing Quote Link to comment Share on other sites More sharing options...
Banman1122 Posted July 21, 2014 Author Report Share Posted July 21, 2014 Ok I'm hittin 300 ft this weekend. I'll take my 14 15 and 41 40 and 39 with me too. I don't have a lock up or cut tranny yet. If that makes a diff. Sent from my iPhone using Tapatalk Quote Link to comment Share on other sites More sharing options...
trickedcarbine Posted July 22, 2014 Report Share Posted July 22, 2014 (edited) An over ride and lock up in that bike would make a huge difference. Edited July 22, 2014 by trickedcarbine Quote Link to comment Share on other sites More sharing options...
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