justin_o_guy2
Serious Thumper
Offline
What happened?
Posts: 55279
East Texas, 1/2 dallas/la.
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I bought the K&N, didnt see any benefit, just a big cost, IF ya do it, do keep the paper filter handy so you can ride while the K&N is drying,
Also, the slip in K&N didnt want to seal off in the air box & I was bleeding air past the filter. I worked inside the airbox & used epoxy & built it up in the places it wasnt sealing off well..Mite not happen to you, I dunno,,
I wanna say it was Old Feller who did a home built filter on a stock paper filter frame. You could do that & use some K&N oil on it,, save a bundle, learn just how much youd gain from a lower restriction filter, then you could actually decide if the difference in filter made a performance difference. If youre doing it to save $$ on filters, remember, a paper filter will blow out quite a few times before ya need to spend $$. If ya dont have a compressor, I dont know how ya live,, even if I had no tools Id want a compressor,,
People spend time studying exhausts, but intakes? People dont think much about that, even tho getting air into an engine is harder than getting it out. An engine shoves it out, but it has to draw it in,
Ever had a skinny straw in a malt? Not good, izzit?
What I read was, the volume of the intake between filter & carb can make it easier. OUr low revving fat single creates very definite pulses of flow in the intake. Having at least 650 CC's between the filter & carb lets the engine inhale w/o having to do it all "sucking thru" the filter. Its gonna create a low pressure area, fer sher, but the less volume between carb & filter means more of each intake pulse must be dragged thru the restriction of the filter,
Thats not the whole of it, spend some time online,, AND, its been a few years since I read up opn it, so, I mita got some of that wr, wr, wr.., I may be somewhat incorrect..
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