I have dynoed several chevy engines from 355 to 434 cubic inch. You spend the whole session running with NO air cleaner,Fine tuning, rejetting, any thing you can do to get every ounce of power out of your engine. When that is acomplished then you put the paper air filter on and do one more pull and very seldom does the rating change.THE ONLY THING A K&N FILTER IS GOOD FOR IS THAT IT'S WASHABLE. Otherwise they are waste of money if you think that your going to gain HP and fuel econemy.
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Today's Featured Article - Earthmaster Project Progress Just a little update on my Earthmaster......it's back from the dead! I pulled the head, and soaked the stuck valves with mystery oil overnight, re-installed the head, and bingo, the compression returned. But alas, my carb foiled me again, it would fire a second then flood out. After numerous dead ends for a replacement carb, I went to work fixing mine.I soldered new floats on the float arm, they came from an old motorcycle carb, replaced the packing on the throttle shaft with o-rings, cut new ga
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