Hi, Steve.
A wet comp test improves the sealing in the bores. IMHO, it doesn't
distinguish whether the problem is ring wear, bore wear or both. Essentially
it means bore problems as opposed to valve problems, where oil doesn't make
any significant difference.
Cheers,
Dave H.
Can I Telework for you? See what I do, at...
http://www.angelfire.com/biz4/davtel/index.html
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----- Original Message -----
From: Steve Conley <swconley@foxinternet.net>
To: David Hill <Davhill@btinternet.com>
Cc: MG List <mgs@autox.team.net>
Sent: Monday, March 13, 2000 12:11 AM
Subject: Re: Tailpipe Colour II
> I thought increases when "wet" meant rings. Is that not correct?
>
> Steve Conley
> Marysville, WA USA
> '76 MGB Roadster
> swconley@foxinternet.net
> MGB Online: http://web3.foxinternet.net/swconley
>
> MG Intranet: http://mowog.intranets.com
>
>
> ----- Original Message -----
> From: David Hill <Davhill@btinternet.com>
> To: MG Nuts <mgs@autox.team.net>
> Sent: Sunday, March 12, 2000 12:59 PM
> Subject: Tailpipe Colour II
>
>
> > Hi, All.
> >
> > Thanks for the replies you sent about the absence of handy,
> > mixture-indicating lead deposits.
> > I took Rex ('72 BGT) out today. With bright sunshine from behind, I
could
> > see oil smoke at every gearchange and even on the over run. I think I
know
> > where the black colour is coming from :-(
> > Compressions are...
> > Hot/Dry: 180/125/138/180
> > Hot/Wet: 200/195/190/200
> >
> > Looks to me like a bore wear * and* sloppy valve guides. Nevertheless,
the
> > engine is still smooth and powerful so I'll live with it (and about 100
> > miles to the pint of oil) until funds permit a rebuild. Funnily enough,
> > there's plenty of oil pressure (60 psi @ 2,500 rpm) although the needle
> does
> > bounce at tickover.
> >
> > Cheers,
> >
> > Dave Hill
> >
> >
> > Can I Telework for you? See what I do, at...
> > http://www.angelfire.com/biz4/davtel/index.html
> > Troubled by a phobia? Know someone who has one? Go to...
> > http://www.angelfire.com/de/ukphobias/index.html
> >
>
>
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