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Re: 89mm Pistons (overheating)

To: Tony Robinson <TonyR@dzn.com>
Subject: Re: 89mm Pistons (overheating)
From: Sholtes IV <joeiv@concentric.net>
Date: Mon, 20 Jan 1997 19:38:30 -0500
Cc: kc5gxl@pnx.com, triumphs@Autox.Team.Net
References: <tcppop3.382794@wg.dzn.com> <32E2BA5D.4912@dzn.com>
> 
>"Dan" kc5gxl@pnx.com wrote:
> >
> > I can't say for sure about the triumph cylinder liners, but, I know that
> > with the liners available for VW if a person was to bore the liners to
> > an oversize dimension, the cylinders would burn too hot and cause major
> > problems.

Then Tony Robinson wrote: 
> Dan,
>  Why would you think using VW rings would cause overheating?
>  I rebuilt my 64 TR4 installing new 87 mm pistons but had no rings.
>  I ordered rings three times from Moss and they kept screwing the order
> up, but that is another story.

> TonyR

Gentlemen,

   I think what is being referred to here is that boring a VW cylinder
will reduce the wall thickness to the point of warpage.  This in turn
would increase friction, and as a result, overheat the engine.  

    A former VW Camper owner,

                          JOE IV
                          TR 250
                    WALLINGFORD, CT. USA



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