A real head scratcher !!

[snailexpress]

(02-25-2018 )tree98 Wrote:  This is as far as it will back off. Notice how it's tight against the bottom roller but not the top one. Seems suspect

Seems like s cam not aligned with axle. You mention the s cam bracket was replaced. Check is it seats properly. The s cam end where is slack adjusters need to move toward the axle little bit.