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General Category >> Rubber Side Down! >> Ditching the airbox
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Message started by reondadomino on 03/26/11 at 10:06:18

Title: Ditching the airbox
Post by reondadomino on 03/26/11 at 10:06:18

I'm planning to ditch the airbox and install cone/pod filters, but with a twist. I want to run a filter out to each side of the bike. Any suggestions/advice for doing this before I order my filters?

Title: Re: Ditching the airbox
Post by verslagen1 on 03/26/11 at 10:36:19

Close as I can get, the guy has kilt all his pictures...

http://www.voodoovintage.com/products.html

Title: Re: Ditching the airbox
Post by reondadomino on 03/26/11 at 10:44:54

That trailer hitch set-up is pretty slick! I hate having to track down a friend with a trailer!

Thanks for the link.

Title: Re: Ditching the airbox
Post by MotoBuddha on 03/26/11 at 11:02:34

How about a plumbing T joint?

Title: Re: Ditching the airbox
Post by ralfyguy on 03/26/11 at 11:21:30

4C6E756E437465656960010 wrote:

How about a plumbing T joint?

I work in a plumbing supply house and we have so called double ells, which looks like two 90 degree elbows joined together at the neck making one inlet and then splitting into two in a nice curved 90 degree turn. Or a S40 pressure Tee. we stock them in 1 1/2" IP and 2" IP size. The only thing that sux is that it is white PVC. Those double ells are also called three-way ells sometimes.

Here is what I'm talking about: http://www.homedepot.com/Plumbing-Pipes-Fittings-Valves-Sewer-Drain/MUELLER-STREAMLINE/h_d1/N-5yc1vZbv13Z5pv/R-100195118/h_d2/ProductDisplay?langId=-1&storeId=10051&catalogId=10053

Essentially 1 1/2" IP is 1.900" OD, and 2" IP is 2.875" OD.

Title: Re: Ditching the airbox
Post by Boofer on 03/26/11 at 11:40:12

Prime the plastic with Krylon in a very thin coat or two. Then paint it any color you like. For some reason Schedule 40 holds paint great, but put on several thin coats to make it last.

Title: Re: Ditching the airbox
Post by reondadomino on 03/26/11 at 12:49:12

Right on. A friend suggested the Y PVC set-up to me too. What about rejetting? The jets have already been adjusted b/c of an aftermarket exhaust.

Title: Re: Ditching the airbox
Post by Boofer on 03/26/11 at 12:59:21

Hard to say without knowing jet sizes in there now. There is a chart in the tech section for jetting. It's possible that you don't need to rejet. Jets may already be too large for your breather. How wide open is your pipe? Extra airflow may be needed and jets may be okay as is. Change one thing at a time and keep up with where you are.

Title: Re: Ditching the airbox
Post by reondadomino on 03/26/11 at 16:12:33

Thinking of losing the aftermarket pipe for a straight pipe. I have the jet #s written down but I left my notepad at the shop :(

What about using a fan-blade within the pvc to create a swirl of air into the carb vs. a straight shot? Or would that possibly slow it down?

Title: Re: Ditching the airbox
Post by BurnPgh on 03/26/11 at 16:26:37

fan blade would do more harm than good. search for "turbulator"