New clutch installed and bad wheel hop?
Pinion angle, springs, and shocks.
I have never heard of a Mopar having wheel hop unless the springs are very bad or the shocks are terribly worn out.
My set up is a '74 Dart Sport 360 regular 4 speed 3:55 geared 8 3/4, 255 60 15 tires with Super Stock springs (003, 004) with the M.P. shocks for the same plus a Centerforce Dual Friction clutch. (over center spring was removed)
I don't have a lot of power, but the car does not wheel hop at all.
No matter if I dump it at 4,000 rpm.
It lifts on the back end and turns the tires a bit, but never wheel hops.
The clutch works well and I use a stock flywheel. I have never tried an aluminum flywheel on anything.
As a matter of fact, the clutch when it was new had full travel with gradual engagement from almost the floor to right at the top (I had 1/2'' free play at the top as measured by hand).
it engaged smoothly and the car felt like it wouldn't stall no matter if you let the clutch out in first at idle.
Now, after 1,000 miles or so, the clutch feels perfect and you don't have to press the pedal to the floor to fully engage it between shifts. It's just right as it is now.
And it has the same 1/2'' free play at the top (as measured by hand).
I understand that this clutch isn't for everyone, as it tends to lock up too fast and destroy parts if you run a lot of power and torque through it, but, at a lower power level south of 350 H.P. or so, it works well and is very reliable.
This is my experience, I hope it helps.