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Mattlad

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127 Posts
Member #: 1871
Advanced Member

Chesterfield, Derbyshire

30th May, 2008 at 08:07:30pm

I'm wanting to design my own plenum chamber for a standard turbo carb, just a few quick questions, if any one can help.

1. Does it need any flow characteristics, or can it just be a hollow box?

2. I'm wanting a dump valve outlet, what diameter tube do I need to use?

3. Stainless steel or alloy, material thickness? stainless would cost me nothing cause I work for a stainless firm, but alloy would be lighter!

Just figued that I could draw one up in 5 mins on Autocad and just send it down to get made!!

Cheers Matt

Kean

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2406 Posts
Member #: 341
aka T2clubby

South Staffs

30th May, 2008 at 08:24:21pm

Around 25mm is the average size for dump valve.

The most important factor is the restrictor ring in the standard plenum to enable the pressure take off to the float chamber to be higher pressure than the inlet pressure.



BENROSS

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9812 Posts
Member #: 332
Resident Cylinder Head Modifier

Mitsi Evo 7, 911, Cossie. & all the chavs ...... won no problem

3rd Jun, 2008 at 03:43:40am

On 30th May, 2008 t2clubby said:
Around 25mm is the average size for dump valve.

The most important factor is the restrictor ring in the standard plenum to enable the pressure take off to the float chamber to be higher pressure than the inlet pressure.


British Leyland got it right there *happy*





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