[Spridgets] Sintered Bronze Bushes (& spigot bushes)

[Frank]

Ron Soave wrote:
> --- On Sun, 5/17/09, Ed's Shop <shop at justbrits.com> wrote:
>   
>> indicating full saturation of the bronze matrix.
>> Author:  Barney Gaylord, MGAGURU
>>     
>
> I heard a theory that in a fully matrixed bronze bushing if you fully saturate the matrix as suggested, you can actually do more harm than good if you run the engine over 5000 RPM for any period of time. The temperature of the surface film of oil will exceed 500F locally, which is above the coking point of both SAE and MIL-L-7808 and MIL-L-23699 oils, and the oil will coke. In the absence of a properly reactive surfactant, the resultant carbon deposit wears the crank spigot exponentially.
>
>   
Damn engineers.

-- 
Frank Clarici
Toms River, NJ
My own Fleet of Sprites