Thread: 4 stroking
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Old 05-01-2014, 09:19 PM
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2door 2door is offline
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Default Re: 4 stroking

I don't use "jet size' because they don't seem to be consistent. Instead I use drill bit size. As I said I solder the jet orifice closed then redrill them to give me the best performance.
My drill set is in one thousands inch increments. Different engines respond differently. I use anywhere from a .024 to a .026 drill size. However I also run Opti-2 oil at 100:1 ratio. That means I must reduce my fuel to air ratio more than if I were running standard 2 stroke oil at 32:1. When you reduce the oil content in your mix you must also reduce the fuel to air mix.
Complicated, I know but it will all make sense eventually.

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