The "Nutter" Bypass with the HEI Ignition Upgrade for the AMC 258
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After I did an HEI Upgrade on my 1985 CJ-8 I decided that it would be pretty easy to do the Nutter Bypass. Here are the steps that I took to do the bypass...
While I was doing the upgrade on my Jeep's distributor I decided to go ahead and do the Nutter Bypass. Since the GM distributor has it's own ignition module so the stock Motorcraft Ignition Module is not used in the upgrade.
The only part of the Nutter Bypass I had to do was to force the metering pins to the full rich position inside the carburetor.
I did not want to mess with the idle jets so I just unplugged the connector from the stepper motor, removed the stepper motor from the back of the carburetor, pulled the metering pins all the way out of the housing, and installed the stepper motor back into the carburetor.
I checked and adjusted my timing and idle settings.