Quote:
Originally Posted by kelsfine69
That does work(flipping the air cleaner), proved it one night with a couple races, was a good couple car length difference, same night same trucks...
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Depending on outside temperature, an open element air cleaner can actually be worse than the factory setup that has a tube that goes straight to the radiator support.
For example, on a 100 degree day with a 14x3 open element K&N filter, I installed a temperature probe inside the filter housing to measure the temperature of the incoming air. I did some stop and go driving the average temperature I saw was 180+ F. Not good.
Yes, the factory air cleaner is restrictive and there's no denying that, but by changing one thing you sometimes create another problem that slows you down.