[Fot] Line Boring

[Kas Kastner]

To the best of my knowledge the the 6 cylinder blocks were bored for a
larger camshaft bearing size and this diameter is what is needed to
install  the Spitfire 1296 cc cam bearings.  In the many many 6 cylinder
engines I built, I never once had to have anything line bored for
installing cam bearings, but the camshafts were not useable for reginding
as the bearings surfaces were too large. My very earliest little books in
the 60's detailed  how to install the cam bearingsI normally used for the
Spitfire 1296 engines. No machining was necessary for this procedure. i
discovered this in my very first work on the TR 250 engine in 1966 which
was supplied without cam bearings and the larger camshaft surfaces.

*Never be beaten by equipment.*


On Tue, Mar 24, 2020 at 4:27 AM yellow04 via Fot <fot at autox.team.net> wrote:

> Very frustrating indeed!
>
> I have used Richard Good for the service, he can bore out the 6 cylinder
> block for cam bearings in his shop.
>
> On 2020-03-23 21:20, Scott Janzen via Fot wrote:
> > It can be done in eastern Pa, last i checked.
> >
> > Sent from my iPhone
> >
> >> On Mar 23, 2020, at 6:38 PM, Greg Blake via Fot <fot at autox.team.net>
> >> wrote:
> >
> >> Especially if you want cam bearings in a TR6 block. Frustrating
> >> indeed.
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