The closest thing to the radiator will be the water pump snout if you don't install a belt driven fan.
Accessories don't matter unless it was a serpentine belt drive.
If bigger was always better all heads would come with intakes over 2". Need low end torque . smaller diameter, longer collectors. Do some exhaust research before you spend money
Removing spring leafs could make the car dangerous in a hard, evasive maneuver.
Anything that affects the suspension, has and effect on the handling, body roll, tire contact with the road surface etc...
Best economy way to lower the rear and improve ride quality. Put 2 bags of cement in the...
Don't throw out the ARP. Contact them on their tech line and find out from the horses mouth.
They design, test their products. Trust their opinion first.
Order Desk & Technical Support
Phone:
800-826-3045
Hours:
Monday - Friday, 7:30am - 4:00pm PST
Outside the U.S. and Canada:
+1 805-339-2200
What type of driving ?
There is no specific stall speed it varies with the vehicles weight, gearig, engines torque curve. etc...
https://www.revmaxconverters.com/torque-converters/understanding-torque-converter-stall-speeds/...
FYI the early rotors used a separate hub and rotor assembly.
The 73 and up used larger inner wheel bearings and stronger, less expensive 1 piece rotors.
I think that Dr Diff has a Mopar based conversion using stock, replacement parts.
10.95" Front Disc Brake Kit (Stage 1)
73 and up is what you want. Bigger bearings option for bigger rotor
Lets see the rest of the head both top side and combustion chamber.
T/A head will have 2.02 intake and clearanced pushrod holes.
You are showing us nothing really.
Go to this site. They have a lot of free downloads on service manuals, videos on common problems.
You should have a Factory Service Manual at a minimum if you are going to work on your own car.
It will have the factcory recommended diagnostic charts, diagrams and most any info you will need to...