oil consumption-valve guides Re: [Shotimes] Power steering and AutoRx

[Ron Porter]

If you are totally rebuilding an engine with 100K+ miles, I would go through
the expense of new valve guides as well as the seals. If they start leaking
30K down the road, it's a PITA to have them done.

Ron Porter

-----Original Message-----
From: shotimes-admin@autox.team.net [mailto:shotimes-admin@autox.team.net]
On Behalf Of Ian Fisher
Sent: Wednesday, April 13, 2005 3:49 PM
To: Donald Mallinson; shotimes@autox.team.net
Subject: oil consumption-valve guides Re: [Shotimes] Power steering and
AutoRx

Actually, this brings up a question that I wanted to
ask. I've heard for awhile that the valve guides wear
over time which causes oil loss. After having my heads
rebuilt and bronze guides installed, I'm wondering if
its not the guide seals that are the problem. My
guides looked fine. If there ever is a next time I'll
probably just replace the seals and leave the guides
alone.

Ian

--- Donald Mallinson <dmall@mwonline.net> wrote:
> And if the oil use was due to bad valve guides, the
> typical problem with 
> extreme oil use in the SHO V6, then no oil or
> additive is going to help.
> 
> Don Mallinson
> 
> Ron Porter wrote:
> 
> >My '94 had leaky valve seals. On the original Mobil
> 1 that the POs used, it
> >went 800 miles to a quart. Castrol got that up to
> 1,600 miles/quart. About
> >every 3-4th cold start, I would get a puff of
> smoke.
> >
> >After the long drive to CA & back on fresh Castrol
> MaxLife, the long hours
> >of running hot really seemed to help. The puff on
> startup went away, and I
> >only went through 3 quarts for the whole 5,500
> miles or so. Which I thought
> >was great considering the high temps, track time,
> etc.
> >
> >The MaxLife oils seem to work better for crank seal
> leaks (like my '95 had),
> >but it does OK on valve seals...or well enough to
> forego the expense of
> >changing the seals.
> >
> >Ron Porter
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> Shotimes@autox.team.net
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> 


		
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