Shimmed my oil pump.. went from 35psi to 45-46 psi..

[Unilevers]

(10-09-2016 )jorden486 Wrote:  I'm lost-I have done 3 different trucks of mine all cm870's and I didn't see an O ring anywhere while putting dimes in.

hahahahaha jordan you crack me up!

there is a cap that holds the dogbone in the bore of the pump. when you pull the cotter key it pops out and has a oring cut into the end of it. If you did not put it back you would be having serious issues and would know about them very soon after startup.