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Old Sep 29, 2017 | 04:18 PM
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shankman
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Hello, I installed S&S 100" big bore kit,585 easy start chain cams,cam plate ,oil pump and super E carb. been having pinging noise early on throttle , Go away when half throttle or more. run 93 Octane.... S&s say need new ignition and to dyno tune it. have used ultima programmable ignition for my shovel and evo, any idea for this application ? Thanks
 
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Old Sep 29, 2017 | 04:22 PM
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ORradtech
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What bike/engine?
My first thought was it needs to be tuned after the mods.
What did they mean by new ignition? A tuner? Or actual parts like coil, plugs, wires?
 
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Old Sep 29, 2017 | 04:55 PM
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shankman
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adjustable ignition like dynoteck
 
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Old Sep 29, 2017 | 09:25 PM
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Two choices... Higher octane fuel or retard the timing a bit.
 
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