Car is pretty heavy (70 Charger R/T), 4-speed and has 3.23 gears (won't change). Mostly street driven (95%) - that's why I'm going for a dual plane.

I have a Holley SD and an RPM at home so I can try both but no Indy DP.
I might stroke it in the future but not in the next two years. Leaving future upgrades aside which intake is better for my current setup: Indy DP or RPM?

I searched for the topic but I only found one thread where someone asked about the Indy dual plane on a 440 - all other threads were about the Indy on stroker engines (500+ ci).

The Indy would work for sure but I'm concerned that the runner velocity would be significantly less compared to the RPM.

Thanks