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General Minitrail Talk
Tech Area
tuning challenge - off throttle issues
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<blockquote data-quote="69ST" data-source="post: 171702" data-attributes="member: 5"><p>Sudco lists them but, in my experience, probably doesn't have them. I ran into that dilemma years ago. They had 5 available jet needles... more holes than list. If the situation has improved, I'll happily stand corrected. Similarly, if they can once again, supply slides with different sized cutaways, that could make a huge difference. I'd go for .5 & 1.0. There are also different needle jets listed...and those can have a HUGE impact on main jet sizing.</p><p></p><p>Interesting that you're reaching the rich limit with those <ostensibly> small jet sizes. The main could be due to the needle jet. However, that has zero effect on pilot jet sizing and even #22.5 seems small, for the displacement. That indicates, to me, that your motor is pulling healthy vacuum.</p></blockquote><p></p>
[QUOTE="69ST, post: 171702, member: 5"] Sudco lists them but, in my experience, probably doesn't have them. I ran into that dilemma years ago. They had 5 available jet needles... more holes than list. If the situation has improved, I'll happily stand corrected. Similarly, if they can once again, supply slides with different sized cutaways, that could make a huge difference. I'd go for .5 & 1.0. There are also different needle jets listed...and those can have a HUGE impact on main jet sizing. Interesting that you're reaching the rich limit with those <ostensibly> small jet sizes. The main could be due to the needle jet. However, that has zero effect on pilot jet sizing and even #22.5 seems small, for the displacement. That indicates, to me, that your motor is pulling healthy vacuum. [/QUOTE]
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tuning challenge - off throttle issues
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