10 sec 6.1 ?

It's all about the power to weight ratio.

For great mopar combinations that are proven, just look up mopar high performance tips.
These combinations are in the older parts books and can be tracked down.
They give everything all the way to the tire size for every motor.
They even give whats needed to run a 318 all the way into the nines.
They have all this info for each and every motor.
The new hemi is the latest motor so it's all new info.
They might even have a new parts book with it in it.