DIY flowbench?

[Walter Sherwin]

Thanks to all who responded to this topic on-list and off.....

Walt.




> In my turbo experiments last year, I was using a 20g compressor & 10cm
> Mitsu turbine housing.  Backpressure ran over 2.5x boost pressure, enough
> so's *nothing* would hold the WG shut against the pressure.  Tapped into
> the turbine pre-inlet to get the 2.5+x figure - this wasn't logged, just
> eyeballed.  Had the exhaust pressure gauge taped to the boost gauge so I
> could see relative readings.  WGs used were stock internal, Deltagate &
HKS
> - none worked.
>
> Exhaust is 3" all the way back, no cat, hi flo muff.
>
> That setup is gone now - so far so good using a 14cm housing - just need
> the right wheel for it - only 15# max w/ poor spoolup....{:^o{E
>
> Barry - Sy#26
>
> At 06:29 PM 7/5/01 -0700, Walter Sherwin wrote:
> >This twigs a question I'd love to ask you.  Have you ever measured the
> >backpressure between say the engine and turbine, or the turbine and
exhaust,
> >or the engine and exhaust, of any of these turbo'd Syclones or Typhoons?
> >Have always been kinda curious as to what the EBP would be.  Thinking
> >further abroad,  turbos must be pretty sensitive to overall EBP in terms
of
> >their ability to make boost?.....
> >
> >Walt.


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