Sludge

[Huw Powell]

On 5/31/2013 10:54 PM, Pat wrote:
> I've never tried the static method.  Not even sure how effective it would be
> with no agitation.  Maybe they leave it in there for a few days.
> Hydrolocking is easy prevented by removing the plugs, disabling ignition and
> cranking (after draining).

And spraying diesel fuel all over the shop.

> However, if fuel got past the rings or guides it could run out an exhaust
> valve into the exhaust.  That could puddle and cause a nice smoke show.  Or
> damage the cat.  Or make a mess on the ground.

And could could several thousand dollars if it wrecked the cat.  Which 
it probably would.

>
> -----Original Message-----
> From: quattro-bounces at audifans.com [mailto:quattro-bounces at audifans.com] On
> Behalf Of Huw Powell
> Sent: Thursday, May 30, 2013 3:12 PM
> To: <quattro at audifans.com>
> Subject: Re: Sludge
>
>
>>> Re a static flush- One method I heard of is filling the engine
> completely(to
>>> the valve cover cap) with strait diesel.  Probably 4-5 gallons on the
>>> average engine.  Let it sit for a while then drain.  Hopefully your crank
>>> and cam seals are up to the task..
>
> I'd be nervous going that full - isn't there a chance of some (or a lot)
> getting through an open exhaust valve and damaging oxygen sensors, cats,
> etc.?  That's if it gets up past the rings.  Which would also create a
> nasty hydrolocking issue too... or is that unlikely to happen?
>
> - Huw
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