[Fot] Manifold Question

[Bill Babcock]

If you don't and you have problems you'll always assume it's the  
balance pipe. Constant velocity carbs often have balance pipes to  
smooth pressure fluctuations and decrease the piston (or diaphragm)  
flutter in the carbs. It was a common fix on Yamaha XS1 650 twins with  
CV carbs to add a balance tube when the carbs were flaky. If nothing  
else, it doesn't hurt.
Bill

On Jan 30, 2008, at 10:20 AM, <dos_gusanos at msn.com>  
<dos_gusanos at msn.com> wrote:

> Hi guys,  I am looking for more of your valued advice.  On most dual  
> SU
> Manifolds they have a balance pipe connecting the runner pipes.  My  
> fabricator
> says the balance pipe is a waste.  I think otherwise because every  
> car with
> dual SU's has one.  Webers don't.  What say you?  should i order him  
> to build
> a balance pipe into my manifold or let it slide?
> ..............................Henry Morrison, Albuquerque, Renault  
> powered
> Bunce Buck.........................
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Bill Babcock
Babcock & Jenkins
Billb at bnj.com
503.936.7660
www.bnj.com