Synch vs Asynch fueling

[jim_in_dorris]

This is a great thread for Sync Async scope patters...

I compared ASDU and ASDZ, there's nothing that would change. It's all EGR, a little spark, some O2 changes, I'm guessing all to tweak a little less emmissions for the communist republic of California.

Hey, they resemble that remark !!!