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1
Jets are sized in "millimeters", so a "50" jet is very close to .5mm. Actually, they are rated on flow - not size - after they are measured in a flow machine. That's why drilling and reaming jets are not necessarily good ideas. Drilling or...
Reviews
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Perfect. Just what the doctor ordered. Going from .55 to .57 made a HUGE IMPROVEMENT in cold starts and overall performance on my Weber 44IDF of a 2276cc motor