Posted by Gregorius on January 28, 2013 at 10:48:35 from (126.96.36.199):
Here is the info I used off of N tractor forum:
I go ahead and put the econ jet in there. So far, all of the carbs I have rebuilt were already threaded for the jet. If not, it's a simple matter to run a 8-32 tap in the econ hole. Jet sizes supplied in the kits seem to vary widely in hole size. There are various recommendations based on what works for different folks. I know these sizes work:
Idle jet at least 0.032"
Economizer Jet at least 0.046"
Power Jet at least 0.043"
Make sure the related passages are larger then the jet sizes listed above.
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