The rpm limit is why they are slower this year. That's a BIG deal with these motors. The top teams are down 1000 rpm from last year.

Some talk about the scoop, but it makes no difference on an EFI car. The ram effect they had with the carbs doesn't matter with the EFI.

Saw Billy Glidden testing at Orlando with his Pro-Nitrous car. No scoop, throttle bodies just even with top of hood. Runs the same, with or without scoop, which is the same we have found