Originally Posted By: Jason8691
I may be off base, but what difference does fuel delivery method make to what oil additive someone uses?
There has been a lot of buzz about CaSa in oil causing problems in DI engines... http://papers.sae.org/2014-32-0092/
I can certainly see being concerned about other oil components, also.
With a DIT engine of my own, I keep an eye out for stuff like this.