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Old 12-13-2007, 03:23 PM   #1
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Default Pressure Chamber on TCs

I have seen many photos of pro's using the Mugen Pressure Chamber sets on touring cars now.

These are very popular on 1/8th scales cars, but are they starting to become necessary on touring cars?

Here is the 2006 World Championship Mugen of Keisuke Fukuda



So, who uses it?

What effect does it have?

Final question - which is the right way to mount it - you can see the above photo is different to the below photo...

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Old 12-13-2007, 03:31 PM   #2
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I do not think it matters which way it is mounted. I have used them in the past. They are good for giving consistent pressure to the tank. I have found that it helps to get a few more seconds of run time.

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Old 12-14-2007, 12:33 AM   #3
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Can you use a fuel filter with the stone removed?
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Old 12-14-2007, 08:03 AM   #4
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kyosho CRF CPD is more effective!!!

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Old 12-14-2007, 06:30 PM   #5
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Questions??

What's the part number on that kyosho pressure chamber?
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Old 12-14-2007, 07:56 PM   #6
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Quote:
Originally Posted by Ivan Dickson View Post
What's the part number on that kyosho pressure chamber?
[KYCRF88551] CRP CONSTANT PRESSURE
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Old 12-14-2007, 10:16 PM   #7
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You should really try the one from Team Orion, I'm sure it is the same as Kyosho.

I have been using Team Orion CRF Constant Pressure Device CPD #ORI88551 at my track (SpeedWorld) for two months and I like it a lot. For one, the fuel is sucked out of the tank too the drop and the cars does not even lean out one bit, it just runs it dry. That could be good or bad thing, that is up do your decision, some racers like to know if they are running out of gas, this device gives you no warning.....
I also heard from someone and I can not remember that the device does not like to be blipped a lot; I do not blip but as not experienced any problems except it does leak very, very little.
Butt the device right up to the oulet of the pipe, minimal gap as possible.


www.speedworldraceway.com they have them in stock.
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Old 12-14-2007, 11:59 PM   #8
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Sorry, I don't know how to make the picture larger, it is only 62.3 kb.
Attached Thumbnails
Pressure Chamber on TCs-dsc00136.jpg  

Last edited by YLLIB; 12-15-2007 at 12:07 AM. Reason: MAKE PICTURE LARGER
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Old 12-15-2007, 12:42 AM   #9
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Quote:
Originally Posted by ed7r View Post
Can you use a fuel filter with the stone removed?
not big enough,
and if you run on a small track you dont need one.
or some may say you should not run one.
i use on a big track and for 1/8 i think its a must.
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Old 12-15-2007, 12:47 AM   #10
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The presure chamber in the first pic is suppose to minimize reverse pulsing. The orion bleeds off presure at wot, I really don't know what the orion units are intended for? Is it suppose to help with run time, idle, or power? I just run a fuel tube from the tank to the pipe and tune from there.....
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Old 12-15-2007, 01:02 AM   #11
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the orion unit is large, baulky and has moving parts in it (i believe. needs to be cleaned periodically to remove thickened oil residues), just use the old school pressure chamber, and mount it under the top deck besides the tank, drill two fuel line sized holes on the top deck and pass the fuel tube through for a clean "japsec" finish

the orion unit would be shaking around in the car, and hitting the pipe...that's not Japspec in my opinion
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Old 12-15-2007, 05:04 AM   #12
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Default Pressure chamber

I was under the impression that it stops the engine from running rich around high speed corners.
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Old 12-15-2007, 05:09 AM   #13
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I think I am more confused now then when i originally posted
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Old 12-15-2007, 05:12 AM   #14
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the unit is ugly
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Old 12-15-2007, 07:57 AM   #15
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Yea, everybody seems to be right in all areas. The only thing I noticed was the fuel tank running out of gas and not leaning out, which I liked. Fuel mileage was not real noticeable on our small track and tuning was not noticable.
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