Forced Induction Supercharger/Turbocharger

Custom pressure side & suck side piping

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Old 02-28-2005, 07:12 PM
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Custom pressure side & suck side piping

Is there a better way, or a way to get more air flow from the charger to the TB..custom 3" piping ....

How many people have made a 3.75" (T-Trim) pipe to feed the SC and what air filter.

Or what are some better way to free up BOOST...
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Old 02-28-2005, 09:46 PM
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Re: Custom pressure side & suck side piping

I played with this a bit and found that any imprevements UPSTREAM of the blower do far more good than improvements downstream. I build a mandrel-bend 3.5" inlet pipe for my T-trim and gained about .5 psi. Then, I removed the whole inlet pipe completely (let the S/C draw from atmosphere) and gained another >1 psi.

I fixed the whole situation by using a 5" mandrel bent inlet pipe on my turbo.

Mike
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Old 02-28-2005, 10:37 PM
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Re: Custom pressure side & suck side piping

Mike, where did you get the 3.5" pipe ? do you haae a parts list. Would this be a problem for the maf sensor going from 3.5" to 3" back to 3.5"....Did you not have an air filter on your SC...
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Old 02-28-2005, 10:48 PM
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Re: Custom pressure side & suck side piping

I bought the 3.5" mandrel bends from a local Deisel truck shop called Margot's, but you can get them here also:

http://shop.airflowonline.com/Mercha...ory_Code=9DSR1

When I ran without a pipe, there was no piping, MAF, or air filter. The MAF was downstream of the supercharger. I tried relocating the MAF only and found no gains.

Mike
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Old 02-28-2005, 11:04 PM
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Re: Custom pressure side & suck side piping

What kind of room is there with the 3.5". could you fit a 4" in there....no one makes a 3.75" do they?
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Old 03-02-2005, 10:12 PM
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Re: Custom pressure side & suck side piping

Is there room for a 4" 90*..., I would like to make everything 4"...can this be done any one got pix....
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Old 03-02-2005, 10:16 PM
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Re: Custom pressure side & suck side piping

A 4" 90 might fit, but it'll have to be a miter bend, as no one makes it with a tight enough radius.
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Old 03-04-2005, 06:35 AM
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Re: Custom pressure side & suck side piping

I had to miter 3.5 tubing to get a good fit, but I have tpis long tubes that drop # 1 farther forward, If I could have used 4 inch would have bought a y trim insted of the T I bought in sept.

John
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Old 03-04-2005, 08:48 PM
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Re: Custom pressure side & suck side piping

I don't know if you'll be able to find 3.75" pipe, but K&N makes filters with flanges up to 6".

http://www.knfilterchargers.com/search/univcone.aspx
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Old 03-04-2005, 09:09 PM
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Re: Custom pressure side & suck side piping

You can make a continuous 4" inlet tube from standard mandrel bends without any miters (all smooth flowing segments) It took (4) 90's to build it & it was frustrating to say the least. Connected it to the blower w/ a cobrahead.

It clears 275/40 tires along with the sway bar & fits above/behind the fenderwell/louvered undertray. No digital camera at the moment, so I cannot post a picture. It can be done, just takes some creativity.

Good luck.
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Old 03-04-2005, 09:14 PM
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Re: Custom pressure side & suck side piping

I'm too lazy for all that. I'm just going to flare the end of my 3.5" pipe to 3.75" to connect to my T trim. Quick and easy.
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Old 03-04-2005, 10:00 PM
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Re: Custom pressure side & suck side piping

Originally Posted by Lonnie Pavtis
You can make a continuous 4" inlet tube from standard mandrel bends without any miters (all smooth flowing segments) It took (4) 90's to build it & it was frustrating to say the least. Connected it to the blower w/ a cobrahead.

What is the cobrahead who makes this any links to a pix...

It clears 275/40 tires along with the sway bar & fits above/behind the fenderwell/louvered undertray. No digital camera at the moment, so I cannot post a picture. It can be done, just takes some creativity.

Good luck.
What kind of 90's(how tight is the turn)
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Old 03-09-2005, 06:52 PM
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Re: Custom pressure side & suck side piping

The cobrahead is right at the inlet of the supercharger, I think powerdyne uses one in there kits.

That was where I had to use all the mitered pieces right off the charger to clear the header than the steering rack and swaybar I think I used like 4 small pieces of tube all at just the right angle , the rest was a piece of cake.

John
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