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 - An Old-Time Tractor Demonstration - by Kim Pratt. Sam was born in rural Kansas in 1926. His dad was a hard-working farmer and the children worked hard everyday to help ends meet. In the rural area he grew up in, the highlight of the week was Saturday when many people took a break from their work to go to town. It was on one such Saturday in the early 1940's when Sam was 16 years old that he ended up in Dennison, Kansas to watch a demonstration of a new tractor being put on by a local dealer. It was an Allis-Chalmers tractor dealership,
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