water injection

[Barry E. King]

I just took apart an engine with 60K miles on it that had zilch for coking -
everything was squeaky clean if you ignored the bits of piston and ring
stuck in the head and valves =)  This is a t/c V6 which was making in excess
of 550 HP.  The cross hatch was still on the cylinder walls.

I attribute this to regular oil and filter changes with synthetic oil, in
this case Mobil 1.  The turbo feed and return lines literally looked brand
new inside.  No signs of coking whatsoever.

I don't buy the coking deal either.  Eventually it will bring an engine down
power-wise.  Ring seating is more likely the reason for increased output.


Regards,

Barry

> -----Original Message-----
> From: owner-diy_efi at efi332.eng.ohio-state.edu
> [mailto:owner-diy_efi at efi332.eng.ohio-state.edu]On Behalf Of
> ECMnut at aol.com
> Sent: Friday, December 18, 1998 8:59 PM
> To: diy_efi at efi332.eng.ohio-state.edu
> Subject: Re: water injection
>
>
> In a message dated 12/18/98 5:41:36 PM Eastern Standard Time,
> bearbvd at sni.net
> writes:
>
> > >one ever notice that after a car is over hauled that it gets faster and
> >  >faster, that is because the coke insulates the chamber so
> instead of the
> >  >heat giong into the water jacket it does some useful work. In addition
> does
>
> Actually, "ring-seat" comes to mind before coking, when a new engine
> picks up a little HP.  This can be supported with a leakdown tester...
> Mike V
>