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Re: MGB engine on the rise (was Re: MGB dead engine report.)

To: Trevor Boicey <tboicey@brit.ca>
Subject: Re: MGB engine on the rise (was Re: MGB dead engine report.)
From: Art Pfenninger <ch155@freenet.buffalo.edu>
Date: Thu, 1 Oct 1998 13:15:13 -0400 (EDT)
        Trevor check a few rental places or auto parts stores this is
where I have rented them from in the past, it makes no sense to buy one.
If you use one put grease along the cylinder walls to catch the metal when
it falls.
...Art

On Thu, 1 Oct 1998, Trevor Boicey wrote:

> Rick Morrison wrote:
> > Sounds like you got out lucky Trevor. A full rebuild may not be called
> > for right now.
> 
>   I am hoping. I checked and checked and the bores seem great.
> Surprising
> because I retreived a grand total of *ONE* intact ring out of eight
> from the bores. But I couldn't find a single score that I could
> reliably feel with my fingernail. I'd THINK I found one, but when
> I tried again it was gone.
>  
> >  But dont just stick the rings back in. There is a very real probability
> > that the ridge will crack the new top ring in short order.  Beg, borrow
> > or steal a ridge reamer and remove the offending protrusions.
> 
>   I was ready to buy one, but I balked. The only one I could find
> anywhere close to locally would be over $100 after taxes.
> 
>   I am sort of trying to weigh it out. There is only one spot on
> all four cylinders that I can feel a ridge. I had no problem getting
> any the pistons out. I have also heard from more than one source
> that a ridge reamer might not be a good idea for an engine in situ,
> because getting the swarf out might be hard.
> 
>   I have also been told to use stepped rings, but the prices are
> higher and I can't get them "in a day" like I can with normal rings
> from NAPA.
> 
>   I guess I am "undecided". I guess I am trying to weigh my odds
> here. This whole operation is only costing me $100 or so, buying
> a ridge reamer would double that. I know the engine is worth more
> than $100, I guess I am just hoping to be lucky.
>  
> >  Second, before reinstalling the rings, hone the cylinders. The glass
> > like surface you are looking at will make ring seating next to
> > impossible. Again, beg, borrow or steal an appropriate sized cylinder
> > hone and "bust the glaze" on the walls.
> 
>   I bought the hone, and have a rough idea of use. Can you give me
> a summary of use, and also an idea of when to stop?
> 
> > Go ahead and replace the bearings while you've got them off. No sense
> > having that to worry about later.
> 
>   I've been told enough times that I will certainly do this. I guess
> now is a good time, they are cheap.
>  
>   On the positive side, I was able to salvage my head. I went to
> a shop and was able to borrow some tools and advice to get the job
> done. I just needed an exhaust valve, a bit of grinding, and
> a light lapping on all the valves. The head seems ready to go,
> if I can just get this bottom back together!
> 
> -- 
> Trevor Boicey, P. Eng.
> Ottawa, Canada, tboicey@brit.ca
> ICQ #17432933 http://www.brit.ca/~tboicey/
> 


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