Quote:
Originally Posted by oil pan 4
I wouldn't put a k&n air filter on a lawn mower.
With a MAP fuel injection system you probably tricked it into running leaner with a more free flowing intake, at least temporarily.
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I am using a Holley Terminator and the AFR is what I tell it to be, no tricks or work arounds. So do you have other suggestions over the K&N to look at? My constraints are 3.5” flange ID and the largest OD cannot be bigger than 5” and no longer than 7”