> >
> > [This message is converted from WPS-PLUS to ASCII]
> >
>
> Ah, WPS-PLUS, those were the days.
>
> >
> > Hi,
> >
> > I am currently rebuilding a classic MGB (in my opinion anyway), it is
> > a 1967 MK1 Roadster in British racing Green with Wires, Overdrive,
> > Leather Seats etc.
> >
> > The engine has been apart for about 10 years, all the major parts are
> > there but with one problem. Over the years the Main bearing Caps have
> > become separated from the block, three of the five were either in
> > place or are easily identified but the other two are identical
> > (positions 2 and 4) and have become mixed up. What is the best way of
> > ensuring they are replaced in the original positions.
> >
> > As the engine is the original one for the car I would like to keep it
> > rather than buying another one from a scrappie.
> >
> > Thanks for any ideas in advance
> >
> > Graham Naylor
> >
>
> Here is what I try if I were in your predicament. I am assuming
> that the Main Bearing Caps are marked as to which direction they go on
> but not which position they were in.
>
> Assemble just the main bearings, crankshaft and main bearing caps and
> torque them in the same manner as if you were assembling the engine.
> Record the torque required to start rotating the crankshaft. Repeat the
> above procedure swapping the caps in position 2 & 4. I would think the
> assembly with the lower starting torque would be the correct one.
>
> - - and - -
>
> Use plasti-gauge to measure the bearing clearance in various places on
> numbers 2 and 4, assembling both ways. I would think the assembly with
> the most consistant clearances would be the correct one.
>
> - - or - -
>
> Put the number 2 and 4 caps in a paper bag and have a trusted friend pick
>them out. Assemble the engine, install it in the car. You have a 50-50 chance
>that it was done correctly.
>
> As always YMMV!
> Comments Welcome!
>
> - -Mark "I don't need my block line bored" Jurras
>
> = =o&o
>
>
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