Drilling AC backing plate question?
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Road Warrior
Joined: Jul 2005
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From: The Frozen Tundra
Drilling AC backing plate question?
I need some info on what size bit where to drill out the backside of the air cleaner assembly to get better flow to the carb. So far I've got K&N filter, Andrews EV-27 cam, SE pipes and carb mods done. Just need to get the backing plate drilled out, it's a '98 FXDS.
Road Master
Joined: Jan 2006
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From: Columbus, OH
RE: Drilling AC backing plate question?
I would think that you could remove as much as possible that is outside the diameter of the filter element. You can't have too much air, but you need some meat for structural integrity.
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Road Warrior
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From: The Frozen Tundra
RE: Drilling AC backing plate question?
glide Date 2/23/2007 12:09:00 PM Why not just get the stage 1 backing plate and be done with it as long as you have the filter?
fxstcguy98 Date 2/23/2007 10:58:33 AM I would think that you could remove as much as possible that is outside the diameter of the filter element. You can't have too much air, but you need some meat for structural integrity.
Road Warrior
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RE: Drilling AC backing plate question?
I am on a budget, a tight budget. So far I have about $50.00 into this project (filter, O-rings and gaskets). I suppose I could go down to the dealer and see if they have an example on hand.
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