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Reply to "Air Fuel mixture measuring device"

So the theory is the idle mixture screws really aren't idle mixture screws. They are idle VOLUME screws. The mixture is a set ratio defined by the idle AIR snorkel hole versus the idle FUEL jet size.

You could probably go with a 52.5 or a 50 idle jet in order to lean the idle and part throttle.

You want 12.0 to 12.5 on WOT only. Part throttle and idle can be closer to 14.7, closed throttle decel can be all the way up to 19.

John Connolly at aircooled.net has a really cool thread on thesamba.com about jetting, but I can't remember the title exactly. It is definitely under the performance engine/transmission tab though. Happy reading!

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