Re: Terrible gas mileage,
I would check the float level. It might be too high causing it to be rich. Remove the plug on the side of the carb. With the engine running it should barely run out.
My truck is still running the stock carburetor and last weekend it got 15.1 mpg (been averaging 14.5 mpg). I have a 3.54 rear axle and 16" rims with LTX M/S2 LT235/85R16E tires.
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