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Author Topic: 359 Etech any good?  (Read 1540 times)

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Offline 660magnum

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Re: 359 Etech any good?
« Reply #10 on: June 17, 2014, 10:46:08 pm »
The EPA carbs had a smaller high speed jet in the floor of the metering valve chamber that ultimately limited how rich you could make the high speed mixture.

The high speed needle merely reduced the mixture the jets (limited) amount to a lesser amount.

To drill this jet would make the high speed needle more sensitive and also make the carb able to meter more fuel. 
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