[Vwdiesel] More Ecodiesel

[Shawn Wright]

Matt,

How many miles since you did this?

On 2 May 2002 at 21:50, Matt wrote:

> Hi Chris!
>
> > I don't have a compression tester, so I don't know the exact
> > status of the rings, but it doesn't start like when it was new - this
> > winter had to crank a little when really cold, and my glow plugs are all
> > good.  Once running for a minute or two, it runs really well.  Mileage
> > has dipped a little in the last 6 months (42 vs 48 in past years), but
> > that could be head related too.  Uses a quart of oil in 2500 miles -
> > again just started that in the last 6 months.
>
> I had this exact problem for about a year, before I started getting horrible
> blowby problems.  I ended up pulling the head and re-ringing the engine
>
> > My thought would be while the head is off, to hone it, re-ring it, and
> > go until compression dictates a rebuild.  What are people's experiences
> > with doing this - worth the effort, or did it not buy you enough time to
> > be worth it?  Re-ringing does not seem to be too bad an effort, but if
> > it doesn't accomplish much in the way of extra miles, I won't bother and
> > will just do the head for now and plan a rebuild sooner than later...
>
> Once the head is off, putting new rings and rod bearings on is pretty easy.
> Just drop the oil pan, and everything is accessable.  What I ended up doing
> is buying oversized rings, and filed down the ends until they were within
> spec.   Once I reassembled the engine, starting problems were gone, power
> was back, and I went from 38MPG to well over 50!
>
> > What are your thoughts / suggestions?  Sorry if this topic has been
> > addressed in the past - I vaguely recall this, but didn't pay close
> > enough attention.
>
> If you're going to do the head gasket, you might as well do the rings.  Just
> my 2 pennies.
>
> > Thanks in advance,
> > Chris
> >
>
> Matt
> http://matt_lisa.home.sprynet.com/
>
>
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Shawn Wright, I.T. Manager
Shawnigan Lake School
swright at SLS.bc.ca
http://Zuiko.sls.bc.ca/swright
http://www.sls.bc.ca