You can get some from other countries. Bob Yarwood has some sources in New
Zealand.
-----Original Message-----
From: owner-fot@autox.team.net [mailto:owner-fot@autox.team.net] On Behalf
Of Jack W. Drews
Sent: Friday, April 02, 2004 5:58 AM
To: Guyots3@wmconnect.com; fot@autox.team.net
Subject: Re: Re Clevite bearings
There has been so much talk about the superiority of trimetal bearings, and
I agree, but are there any actually available for the TR3 - 4 from any
vendor? Who? Maybe I missed that detail in the messages.........
At 01:32 AM 4/2/2004, Guyots3@wmconnect.com wrote:
>In a message dated 4/1/04 11:15:08 AM Pacific Standard Time,
>lang@isis.mit.edu writes:
>
> > The Glaciers that you can buy from TRF and Moss are in fact Al
> > bearing material. The design of these bearings is the same as the
> > old ones, but the babitting is different (Al) and more "modern". The
> > hard core racers do not like these bearings because they will fail
> > rapidly if there are oiling problems (even short duration events)
> > and they wind up siezing to the crankshaft.
>
>Bob, Bill, John et al,
>
>Re the Clevite bearings,
>
>I spent some time today at work, studying the 2002 telephone book sized
>Clevite catalog(ue).
>
>They spend two full pages therein, extolling the virtues of their much
>vaunted Clevite 77 TriMetal bearings:
>
>eg: Clevite 77 TriMetal engine bearings outperform & outlast all others.
>Designed specifically for the aftermarket engine rebuilders. TriMetal
>bearings are a rare combination of strength & flexibility. A sturdy
>steel layer provides maximum support. then, a copper/lead alloy
>provides strength as well as durability for extended life, even under
>harsh conditions. Finally a Babbitt layer provides the embedability and
>conformability that no Bi-Metal bearing can achieve. With Clevite 77
>engine bearings, it all adds up to a superior performance.
>It takes three layers to be number one.
>
>They further invite question to be directed to them at Clevite Engine
>Parts, (Dana Corporation), 1350 Eisenhower Place, Ann Arbor, MI 48108-3388.
>
>Website Address : www.engineparts.com
>
>I then looked up Triumph in their catalog, (and ignoring their listing
>for a mysterious 1998cc 4 cylinder 2.0 Liter Engine), I note that for
>the 1998cc 6 cylinder 2.0 Liter AND the 2498cc 6 cylinder 2.5 Liter
>engine, they list the
>following:
>
>Main Bearing Set: # MS-1112P [ALUMINUM AL-3]
>
>and
>
>Con-Rod Bearing Sets # CB-982P [ALUMINUM AL-3] in std, 10, 20 and 30
>thou oversized.
>
>The Thrust Washer Set is # TW-229S [material unspecified]
>
>CSK list prices are $111.99 for the Main Bearings, $15.99 for the Con
>Rod Bearings and $21.99 for the Thrust Washers.
>
>Note that these are full list prices and sizeable discounts are
>available via partsamerica.com and also by competitive price matching
>against other parts houses.
>
>It seems more than a tad hypocritical of Clevite to extoll the virtures
>of their own TriMetal bearings and then only quote Bi-Metal Aluminum
>bearings for our Triumphs!
>
>I wonder what their reasoning is?
>
>Why do other makes get the TriMetal bearings but we do not?
>
>I suppose that the best we can do is to use High Quality Oil, such as
>Valvoline's Synpower, and perhaps a tried and tested friction modifier,
>(preferably without Teflon and/or Molybendum), change it regularly, and
>use really good oil & air filters such as K&N.
>
>Anyhow those are my findings.
>
>Best Regard 2 All.
>
>Leon
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