kito Posted July 30, 2013 Report Share Posted July 30, 2013 i'm runing a +10mil and a super cube 72mm v-force4 39' pwk's whit powerjets, shearer big bore pipe's, stock cdi the engine runs good on 30cc dome's on 185 main jets and 50 pillot jets and +4 ignition whit the 22cc dome's and vp C16 rac e gas i have tried a mani difernet jets betwen 170 and 220 and timing from + 4º to +7º and it's rich and don't pass the low to mid range anyone have an explication for that? Quote Link to comment Share on other sites More sharing options...
lms1977 Posted July 30, 2013 Report Share Posted July 30, 2013 weak spark? Quote Link to comment Share on other sites More sharing options...
kito Posted July 30, 2013 Author Report Share Posted July 30, 2013 it's an ngk br9es plugs Quote Link to comment Share on other sites More sharing options...
LCW Posted July 30, 2013 Report Share Posted July 30, 2013 I've never heard of anyone running powerjets on a gas carb. Sure those carbs weren't setup for alky? Quote Link to comment Share on other sites More sharing options...
lms1977 Posted July 30, 2013 Report Share Posted July 30, 2013 it's an ngk br9es plugs I meant weak ignition or faulty one Quote Link to comment Share on other sites More sharing options...
RobertR Posted July 30, 2013 Report Share Posted July 30, 2013 it's an ngk br9es plugs Br9es are alky plugs I believe. Quote Link to comment Share on other sites More sharing options...
BANSHEE HP Posted July 30, 2013 Report Share Posted July 30, 2013 Br9es are alky plugs I believe. they work with either gas or meth. Quote Link to comment Share on other sites More sharing options...
BANSHEE HP Posted July 30, 2013 Report Share Posted July 30, 2013 i'm runing a +10mil and a super cube 72mm v-force4 39' pwk's whit powerjets, shearer big bore pipe's, stock cdi the engine runs good on 30cc dome's on 185 main jets and 50 pillot jets and +4 ignition whit the 22cc dome's and vp C16 rac e gas i have tried a mani difernet jets betwen 170 and 220 and timing from + 4º to +7º and it's rich and don't pass the low to mid range anyone have an explication for that? your running a 30cc dome and trying a 22cc? that's a 8 cc jump could be anywhere from 50-80psi change... Quote Link to comment Share on other sites More sharing options...
possum Posted July 30, 2013 Report Share Posted July 30, 2013 first off what is the squish and compression with both size domes? 1 Quote Link to comment Share on other sites More sharing options...
J-Madd Posted July 31, 2013 Report Share Posted July 31, 2013 Turn the power jets off. Or make sure they're not for alky. As mentioned. 1 Quote Link to comment Share on other sites More sharing options...
kito Posted July 31, 2013 Author Report Share Posted July 31, 2013 the domes are 24cc not 22cc my bad.. the compression it's about 180 psi's Quote Link to comment Share on other sites More sharing options...
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