Well Bill, all I can say is that you're pretty good at spending someone else's
dinero. as for me, if a swipe or three with some polishing agent (read
abrasive) will free up a sticky part as a last resort, I'm gonna go for it
before I spend my dough. All this within reason of cuss.
Cheers,
CR
Bill Schooler wrote:
> I would respond by referring to the appropriate workshop or SU manual.
> Specifically, the MGB Workshop Manual says:
> Examine the piston assembly for damage on the piston rod and the outside
> surface of the piston. The piston assembly must be scrupulously clean. Use
> gasoline or methylated spirit (denatured alcohol) as a cleaning agent. Do
> not use abrasives. Wipe dry, using a clean dry cloth. Clean inside the
> suction chamber and piston rod guide using gasoline or methylated spirit and
> wipe dry.
>
> Okay, I'm being a bit pedantic. The point is that this is not an accepted
> maintenance procedure. Admittedly, one might want to try the judicious use
> of crocus cloth, but if a piston is sticking in the suction chamber because
> of scoring, the assembly probably should be replaced.
>
> Bill
>
> ----- Original Message -----
> From: "Charles & Peggy Robinson" <ccrobins@ktc.com>
> To: "Bill Schooler" <wschooler@home.com>
> Cc: "mghirsch" <mghirsch@netzero.net>; <mgs@autox.team.net>
> Sent: Saturday, October 27, 2001 5:43 PM
> Subject: Re: HIF4 questions
>
> > I'll bite, Bill. What would you use to remove score marks?
> >
> > Cheers,
> >
> > CR
> >
> > Bill Schooler wrote:
> >
> > > Maynard,
> > >
> > > Could you give an explanation of the relationship of piston height to
> rpm?
> > > I suspect that a "hanging piston" would tend to cause an otherwise
> > > well-tuned engine to run rough and stall. And who ever told you to use
> > > emery cloth on the piston/suction chamber? From what I've read in the
> > > various workshop and SU manuals, this is considered to be a real
> "no-no".
> > >
> > > Bill
> > >
> > > ----- Original Message -----
> > > From: "mghirsch" <mghirsch@netzero.net>
> > > To: <mgs@autox.team.net>
> > > Sent: Friday, October 26, 2001 3:06 PM
> > > Subject: Re: HIF4 questions
> > >
> > > > One reason for the increased rpm when it is hot could be that a piston
> is
> > > > hanging up and not going all the way down. Pull the dashposts, check
> the
> > > > piston and the inside of the dashpot for foreign materials, and
> > > reassemble.
> > > > If there is scoring, you may want to use emery cloth.
> > > >
> > > > Maynard HIrsch
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