Jim,
Triumph listed cam bearing clearances as 0.0028 to 0.0047 with a wear
limit of 0.0059. You probably want to be toward the lose side for
racing, but you don't want to bleed off too much oil pressure and starve
the rockers.
Larry
On 5/30/2011 1:03 PM, Jim Gray wrote:
> FoT,
>
> I can't seem to locate much information on TR-4 cam bearings. I'm sure many
> would appreciate
>
> any input on the following topics. I'm seeing some wear on my cam and
> bearings that needs to be addressed
>
> now.
>
> Questions are as follows;
>
> What are racing clearances for front bearing.
>
> What are racing clearances for the other three bearings.
>
> Does anyone use friction reducing coatings on their cam bearings.
>
> Cam thrust..any info.
>
> Cam bearing type& manufacture.
>
> Any hot tips for cam bearings and overall longevity.
>
>
>
> Thanks for the input as always,
>
>
>
> jim g
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