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Can I tell the difference between different jets and rods without test equipment?

April 26, 2017difference different equipment JETs rods Test

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Can I tell the difference between different jets and rods without test equipment?

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This is possible. You should be able to detect pinging and lean surge caused by too lean a mixture. Too rich a mixture will result in soggy performance, fouled sparkplugs, a black tailpipe and poor mileage. You can probably identify the differences caused by .002″ changes in metering rod diameter without test equipment (5 or 6%). With an Air/Fuel ratio meter, you can differentiate between changes of .001″ in metering rod diameter.