Quote:
Originally Posted by DannoXYZ
NGK plugs look fine, no need to change getting. Hotter air is less dense, thus fewer O2 molecules per volume, so would need leaner jets for less fuel. At track, I always change to one size smaller for afternoon sessions to compensate for hotter air.
Are you using factory needles? Have photo of them?
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Yes, all factory jetting 38 and 105 if I recall right and yes, the stock needles the only thing that had changes was a new crossover fuel and overflow tube, float bowl gasket seal, float needle and pilot seal was installed last year after doing deep cleaning of the carb and keep the original Air Cutoff Diaphragm and Slide Diaphragm as look good.