[Diy_efi] Water metanol turbo assist - was Argon turbo

[Matt Porritt]

Ok.. To go to 9k on a 2l I pressure you will be looking towards a 0.86
housing with big comp and a 76 trim exh wheel?

Does you application rile out nitrous?
I can't rant enough about the advantages of it with big turbos ;)
-- 
Matt Porritt
RC Race Cars and Supplies
ICQ #22776813



On 7/1/03 11:53 AM Ohio Benz wrote

> I agree! Someone here must have some more suggestions
> based on scientific data?
> Regarding matching of turbo to application/engine. I
> think there's always an area of sacrifice, you can't
> just have it all.  If I wanted to come screaming out
> of the hole a small AR turbine like a 48 (for a 2.0L)
> will do the trick. However when I hit about 5K, it's
> done and opening the wastegate to keep the poor thing
> from spoooling to destruction doesn't make any more
> HP.
> So in order to keep screaming into the 9K redline we
> are looking for...it takes a bigger AR housing. Now to
> help us get out of the hole we are running a higher
> base CR and a head that flows a lot of air - but those
> first seconds till we get past 7psi are still gonna
> kill us!
> 
> Now WI into the exhaust would ONLY happen for seconds
> at WOT, ONCE during a pass or hard acceleration. So
> washing a turbo etc are all not issues.  Issues could
> be the boiling off of the water between the jet and
> the check valve - whether that creates a vapor lock is
> another subject too.
> 
> My question still remains - how do I calculate how
> much H2o flow (ml/sec) I would need? EGT will have to
> be a factor in vaporization plus an estimate of
> exhaust flow under WOT conditions.
> 
> Second question is more experimental - nozzle size for
> proper atomization.  I'm assuming that once I know
> flow, and have a pressure value, this again is a
> calculatable item.
> 
> So please help me with (still)the first question!
> 
> Thanks!!!
> 
> Date: Mon, 06 Jan 2003 22:29:35 +1300
> Subject: Re: [Diy_efi] Water metanol turbo assist -
> was Argon turbo
> From: Matt Porritt <porrittm at anet.co.nz>
> To: DIY-EFI <diy_efi at diy-efi.org>
> Reply-To: diy_efi at diy-efi.org
> 
> Come to think of it, no water will end up in the sump
> if its going into
> the
> exh housing!! :)
> 
> Someone here must have some more info on this (or
> around the place) I
> for
> one am awaiting an answer, hopefully not by my own
> experimentation.


_______________________________________________
Diy_efi mailing list
Diy_efi at diy-efi.org
http://www.diy-efi.org/mailman/listinfo/diy_efi