My machine shop recommended the King Tri metal bearings and Calico coating for
my TR4A. Said they run them in 600 HP SB Chevys with good results.
Phil Gott
114 TR4A
Sent from my iPhone
> On Jun 27, 2019, at 5:56 AM, yellow04 via Fot <fot@autox.team.net> wrote:
>
> I run the same bearings in my TR250 vintage racer, they are the bearing to
> run. FWIW, I have never done the coating route, and in 20 seasons on track in
> a TR3, TR4 and the 250 have never had a bearing issue either. Set the correct
> clearance, and you will be fine.
>
>> On 2019-06-26 22:37, Tony Drews via Fot wrote:
>> For the TR-4 (race engine) I do the Tri-Metal bearings (rod and main)
>> from www.bpnorthwest.com [1]. I also have them ceramic coated by
>> Calico coatings. I've not had issues due to the bearing / coating in
>> 15+ years of hard racing.
>> I know you're asking for the TR-6 - they have tri-metal for that too.
>> Of course I have no direct experience on the 6 cylinder motor.
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