Breather Bypass with an AN Big sucker?
#1
Breather Bypass with an AN Big sucker?
Thanks in advance for any and all input. I've done a lot of reading and am searching for any input like pics, specs and ideas on how to do this right the first time. Pretty sure I am going to use my buddy SBates idea of the Rushmore breather parts. Again, any and all input is greatly appreciated.
Bike info: 2008 ultra E glide with the Fuel Moto 107 and woods 555 cams. 2009 2-1-2 header upgrade with CVO mufflers with Fulsac 2 inch baffles. And of course an Arlen Ness big sucker A/C.
Pretty sure that's the pertinent information.
Kris
Bike info: 2008 ultra E glide with the Fuel Moto 107 and woods 555 cams. 2009 2-1-2 header upgrade with CVO mufflers with Fulsac 2 inch baffles. And of course an Arlen Ness big sucker A/C.
Pretty sure that's the pertinent information.
Kris
#2
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Join Date: Jun 2011
Location: Mountain Top, Alabama
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I installed the A/N Big Sucker, and keep the oil level about halfway in the etching (Pint low, like Mike said), and no more drips here.
I still use my stock air cleaner. I developed the habit of when I stopped for fuel, I would take a paper towel to wipe the oil off the bottom inner lip of the air cleaner cover. Since the Big Sucker and the lower oil level, there is nothing there to wipe.
It worked out good for me.
I still use my stock air cleaner. I developed the habit of when I stopped for fuel, I would take a paper towel to wipe the oil off the bottom inner lip of the air cleaner cover. Since the Big Sucker and the lower oil level, there is nothing there to wipe.
It worked out good for me.
The following users liked this post:
BlackPearl#1 (02-21-2017)
#5
It doesn't matter whether you run the oil level low or not you still get oil residue sucked into your intake which turns into carbon build up on top of the piston. Just because you don't get the oil slobber doesn't mean this isn't a good idea to route it to the ground. The new Rushmore breather tubes make this easier than ever. Use the stock breather bolts, or for the thicker backplates the Kuryakyn breather tubes that are 1-3/4"(9976) long will work. Using the Rushmore breather tubes makes it easy to add extra hose and route it any which way you want it to go.
Carbon build up.
Rushmore breather tubes and Kuryakyn breather bolts on SE backplate.
Carbon build up.
Rushmore breather tubes and Kuryakyn breather bolts on SE backplate.
The following 5 users liked this post by SBates08:
GriffinDenim13FLHX (02-27-2017),
JetD (04-20-2017),
Kolbster (02-23-2017),
nevada72 (02-26-2017),
rhartlin (02-21-2017)
#7
It doesn't matter whether you run the oil level low or not you still get oil residue sucked into your intake which turns into carbon build up on top of the piston. Just because you don't get the oil slobber doesn't mean this isn't a good idea to route it to the ground. The new Rushmore breather tubes make this easier than ever. Use the stock breather bolts, or for the thicker backplates the Kuryakyn breather tubes that are 1-3/4"(9976) long will work. Using the Rushmore breather tubes makes it easy to add extra hose and route it any which way you want it to go.
Carbon build up. Attachment 500243
Rushmore breather tubes and Kuryakyn breather bolts on SE backplate.
Attachment 500244
Attachment 500245
Attachment 500246
Carbon build up. Attachment 500243
Rushmore breather tubes and Kuryakyn breather bolts on SE backplate.
Attachment 500244
Attachment 500245
Attachment 500246
Thanks again Bates. Looks like a foot of snow Saturday, so maybe I will start the process then.
Still not sure what bolts I need for my AN set up, but will for sure post pics and part numbers when I get it done.
Kris
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#8
Kris just measure your breather bolts. If they're 1-1/2" or shorter the stock breather bolts will work. If they are longer you'll need the Kuryakyn bolts part # 9976.
The part number for the Rushmore breather tube is 29400043-$12.29. Most dealers will have these laying around the shop from upgrades and may just give them to you.
The part number for the Rushmore breather tube is 29400043-$12.29. Most dealers will have these laying around the shop from upgrades and may just give them to you.
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jefla (02-22-2017)
#9
Can anyone point me to a thread or report of an engine having issue or failing due to sucking in oil vapors? Serious question. I mean, cars have had this design for decades and I for one have 100k trouble free miles on my truck without bypassing the breather. Seems like a non-issue to me. After all, I highly doubt HD (or anyone else) would design a feature into their engine that would lead to problem that they would have to fix under warranty.
#10
Nobody is twisting your arm to do it. If it's not an issue for you then don't bother with it. And just because auto manufacturers have been doing it for years doesn't mean it's good for your engine. I can assure they wouldn't do it if they weren't mandated to do so. Carbon build up in your combustion chamber is never a good thing.