----- Original Message -----
From: "Chuck Arnold" <chuck.arnold@oracle.com>
To: "T.R. Scratchings" <wob@dandrade.freeserve.co.uk>
Sent: Thursday, June 26, 2003 2:23 PM
Subject: Re: Oil Starvation-- Solution needed
> Thank you very much for the comprehensive response.
>
> Chuck
>
> "T.R. Scratchings" wrote:
>
> > Check out all the other bearings. If #1 main has failed, that's the
cause of
> > starvation to #1 rod bearing, period.
> > If other bearings show signs of failure, then you have a supply problem.
> > Glacier (aluminum) bearings have better embeddability (ability to cope
with
> > debris) than lead/copper (Vandervell etc.), which are harder. We always
use
> > the latter type, which are still available up to +020" U/S. Get a set of
ARP
> > rod bolts, then have all the rods resized at the correct torque
loading,
> > including the new one. Check also for twist & bend on the rods. The MGB
rod
> > bearings require resizing of the crank, plus ensuring that the extra
width
> > doesn't run into the radii, plus enlargement of the tang slot in each
half
> > of the rod. Carrillo rods used to incorporate this as standard, but
don't
> > now do so unless requested.
> > Get off Mobil 1- it's way too thin at cold, and use an oil with good
cold
> > viscosity, minimum 15W. Leaks will then disappear also. Valvoline Racing
> > 20W/50 is good, or use a good semi-synthetic. We've never got on very
well
> > with full synthetics in these old engines. It's a different story in the
> > trans & rear end, however, where full synthetics work great. Top end
> > lubrication issues will not cause a failure of one rod bearing
alone,unless
> > the feed is from the extreme rear of the gallery, when # 6 may fail. Oil
> > pumps sometimes give poor idle pressure; that's due to poor manufacture,
> > giving excess clearance between end plate and rotor/sleeve assy. Lap in
the
> > body to get the end float right down to 0.002" max. Don't run a deep
sump
> > unless you extend the pump pickup to suit.
> > Good luck Jon Wood
> > ----- Original Message -----
> > From: "Chuck Arnold" <chuck.arnold@oracle.com>
> > To: "6pack digest" <6pack-digest@autox.team.net>; "FOT"
<fot@autox.team.net>
> > Sent: Wednesday, June 25, 2003 2:25 PM
> > Subject: Oil Starvation-- Solution needed
> >
> > > The shop finally got my frozen engine apart. The verdict was oil
> > > starvation in number 1 cylinder. Rod bearing gone, rod shot. Piston
> > > OK. Now I am looking for solutions before putting it back together.
> > > Car is TR6 with 170 HP at the wheels used for the track. Has an oil
> > > cooler and uses about 6 quarts to fill. Used Mobil1.
> > >
> > > Kas has the illustrations for a deeper oil pan and a baffle -- but I
> > > need more information about its installation, and the collected wisdom
> > > of the group to help me get it right before I do it again. Will/would
> > > an Accusump help this problem?
> > >
> > > Thanks,
> > >
> > > Chuck
> > >
> > > [demime 0.99d.1 removed an attachment of type text/x-vcard which had a
> > name of chuck.arnold.vcf]
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