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Homemade 6" Air intake, AKA the "whistler", tech write-up

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Old 06-23-2007, 05:26 PM
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Originally Posted by herb
it was pulling the filter minder down before and after i cleaned it (vacumed it the first cleaning --blew out with compressed air second cleaning). replaced it with the original OEM filter and minder has not pulled down again.
oooo your talking about a stock drop in then right???
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Old 06-23-2007, 05:32 PM
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Originally Posted by 53 ******
oooo your talking about a stock drop in then right???
.


yes stock drop in Amsoil filter
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Old 06-28-2007, 12:10 PM
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53 ******-
Any progress on the intake shield / box? I received my parts order for stage II upgrade. Also the outerwears pre filter fits great. Really need to be pulling cooler air though.

Thanks a bunch.
Rick.
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Old 06-28-2007, 01:28 PM
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Originally Posted by 04 SO CA
53 ******-
Any progress on the intake shield / box? I received my parts order for stage II upgrade. Also the outerwears pre filter fits great. Really need to be pulling cooler air though.

Thanks a bunch.
Rick.
grrrr I had to take the truck in cause my recirculation door broke and it was WAAAAAAY to hot to drive with little to no air out put so I was not able to get any made



I Promise I will make 4 shields this weekend
I will have to check cause all 4 may be spoke for already!!!
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Old 06-29-2007, 02:03 PM
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hey *****, please put me on the list for a shield, just bought the elbow for the stage 2 but im waiting to install when i have all the parts..Thanks
Dave
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Old 06-29-2007, 02:51 PM
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Made mine (stage I) and was wondering if someone could tell me where I can pick up a prefilter.

Awesome design - - thanks 53 ******...
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Old 06-29-2007, 02:56 PM
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Originally Posted by HarleyHauler
Made mine (stage I) and was wondering if someone could tell me where I can pick up a prefilter.

Awesome design - - thanks 53 ******...

this is the pre-filter.....http://www.outerwears.com/proddetail.asp?prod=2128
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Old 06-29-2007, 05:09 PM
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Thanks again - I ordered it just now to complete the job!

I am debating about removing the silencer ring - any input on benefits vs. drawbacks?
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Old 06-29-2007, 05:14 PM
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Originally Posted by HarleyHauler
Thanks again - I ordered it just now to complete the job!

I am debating about removing the silencer ring - any input on benefits vs. drawbacks?
I pull my s-rings.. with a stock airbox I noticed a real small sound difference but not much at all ...the intake made the real change.
it wont hurt if you do and wont hurt if you dont.....so???

BTW my TAG is still in my turbo elbow
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Old 06-29-2007, 06:33 PM
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any pics of what the stage 2 box will look like?
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Old 06-29-2007, 06:36 PM
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Originally Posted by biggator60
any pics of what the stage 2 box will look like?
I had some a few pages back....but they are a teaser shot so you cant see everything..
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Old 06-29-2007, 08:22 PM
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Thanks Mark. Let me know If I'm getting close on the list. I wish I had access to the tools to make one. Maybe... a few extra bucks could bump me up the list? Just kiddin'.

Thanks,
Rick.
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Old 06-29-2007, 09:09 PM
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i did this mod months ago. just wandering, is this filter a dry filter or does it need oiling. mine needs cleaning and was just wandering and if it needs oiling where can i get the cleaning kit
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Old 06-29-2007, 10:58 PM
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Originally Posted by RamMan05
i did this mod months ago. just wandering, is this filter a dry filter or does it need oiling. mine needs cleaning and was just wandering and if it needs oiling where can i get the cleaning kit

no oil is needed, it is all dry....
blow it out with 10-20 psi shop air(from the inside out) or shop vac from the outside and call it good
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Old 06-30-2007, 12:02 AM
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Originally Posted by Hoss
Mine is 4" diameter from the filter to the turbo. I'm all about smooth air flow. Besides, anything bigger than 4" is just a waste and doesn't accomplish anything (except more turbulence and more noise). The turbo inlet is only a 4" diameter opening. Whether your intake tubing is 4" or 8" you're still only going to get 4 inch's diameter worth of air through the turbo.

Your theory regarding airflow is flawed just a BIT in this case.. You've gotta rate the CFM according to your design, and using 4" the entire run would seem to flow just as good as a larger system, but when you add length and bends you cut the CFM a good amount. If your entire intake was 6" long and had no bends then yeah, a 6" dia 6" long pipe isn't going to flow any more, but tapering down in size is best when a little length and some bends are involved... CFM wise..

Test the CFM of a 12" piece of straight 4" pipe, VS. a 20' long 4" dia pipe with multiple bends.. Drastic flow difference.

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