Originally Posted By skrews
What makes even less sense is the MP duel plane M1 is square flange. Azz backward if you ask me.


The dual plane is just an Eddy RPM with “Mopar” cast into it instead of Edelbrock. I believe it is made by Eddy under contract from Mopar, so Mopar had nothing to do with designing that manifold.

LemonWedge - Street heavy / Strip ready - 11.07 @ 120