Alcohol - EFI

[Sietze Schukking]

I see all kinds of alloy engine parts mentioned as candidates for being eaten
away due to the use of alcohol
except the most important parts:

ALLOY HEADS ????

Are they not affected??

Thanks for the feedback

Sietze

Jemison Richard wrote:

> I stand corrected and thank you.  What type of compounds qualify as viable
> corrosion inhibitors?
>
> Rick
>
> > -----Original Message-----
> > From: Wen Yen Chan [SMTP:chanwe at ecf.utoronto.ca]
> > Sent: Friday, December 04, 1998 12:17 PM
> > To:   diy_efi at efi332.eng.ohio-state.edu
> > Subject:      RE: Alcohol - EFI
> >
> > Rubbing alcohol is isopropyl alcohol mixed with glycerin. Short alcohols
> > without corrosion inhibitors added will dissolve aluminum, zinc and
> > magnesium pretty quickly. The shorter the carbon chain the faster the
> > reaction.
> >
> >
> > On Fri, 4 Dec 1998, Jemison Richard wrote:
> >
> > > Sure they weren't running nitro.  Alcohol is what hospitals used to use
> > to
> > > disinfect rubber IV tubing (before it was disposable), rubber instrument
> > > parts, etc.  Never ate anything.  At least not isopropyl.  Methanol is
> > very
> > > close to ethanol (the stuff you settle back with after a hard day).  I'm
> > not
> > > absolutely sure but isn't rubbing alcohol methanol?
> > >
> > > Nitromethane will DEFINITELY provide the damage you describe and in
> > short
> > > order!
> > >
> > > Rick
> > >
> > > > -----Original Message-----
> > > > From:     goflo at pacbell.net [SMTP:goflo at pacbell.net]
> > > > Sent:     Friday, December 04, 1998 10:28 AM
> > > > To:       diy_efi at efi332.eng.ohio-state.edu
> > > > Subject:  Re: Alcohol - EFI
> > > >
> > > > Sietze Schukking wrote:
> > > >
> > > > > On a related note: somebody told me that water and alcohol injection
> > > > causes
> > > > > increased engine wear due
> > > > > to corrosion. Is this correct?
> > > >
> > > > Used to see alky buggy motors - The stuff seemed to eat carbs, hoses,
> > > > pumps.
> > > > Did'nt notice unusual engine internal component problems - Air cooled,
> > > > maybe
> > > > different water cooled...
> > > >
> > > > Jack
> > >