plenum volume

Espen Hilde mwichstr at online.no
Mon Feb 23 01:38:57 GMT 1998


Dam , I tought this was my best engine seekret.
Making a rige on the edge on inlet valves helps a lot.
Dont tell any one:rotary valve in inlet,driven by electrical engine,rpm of
rotary
timed  acording to engine demand and trottle.
Any one wants to cooperate on a patent?
Doing the computer part?
Espen Hilde

----------
> From: Clare Snyder <snyder at huron.net>
> To: diy_efi at efi332.eng.ohio-state.edu
> Subject: Re: plenum volume
> Date: 22. februar 1998 20:05
> 
> xxalexx at ix.netcom.com wrote:
> > 
> > > Date:          Thu, 19 Feb 1998 23:28:22 -0800
> > > To:            diy_efi at efi332.eng.ohio-state.edu
> > > From:          Eric Schumacher
<e.schumacher at postoffice.worldnet.att.net>
> > > Subject:       Re: plenum volume
> > > Reply-to:      diy_efi at efi332.eng.ohio-state.edu
> > 
> > Would placing a rotating ball valve in the intake manifold help
> > control the reversion?  I thought of this when it looked like half
> > the fuel-air was coming out of carb on dyno at WOT and low rpm.
> > Alex
> > > At 11:52 PM 2/19/98 PST, you wrote:
> > > >ref Paul Tholey:
> > > >   IMHO, for a SBC runners should be thought of more in
> > > >this manner.
> > > >   Large cross sectional area runners are for better cylinder
filling at
> > > >       high rpm.
> > > >   Shorter runners enable a motor to rev quicker.
> > > >   Long runners help to minimize reversion.  Reversion
> > > >   can truely hinder MAF readings.
> > > >(needless to stay the inverse apply)
> > > >So a vehicle with a wide ratio gear box, and lower
> > > >   (numerically) gears would need to min reversion
> > > >   (long runners), and would not need to change rpm
> > > >   quickly.
> > > >Part of the reasoning for this is the Can-Am big blocks
> > > >of the mid/late 60's, really long IR with huge cross-
> > > >sectional areas.
> > > >  It sorta follows the flow, of what most people do/think
> > > >but I like my tweaks.
> > > >  Bruce
> > > >Any others with other thoughts?.
> > > >
> > > Lotsa Luck Eric
> > > 85 GTI with VR6 power
> > >
> > >
> > >
> Why not just a good, old fashioned two stroke type reed valve?
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