Taking a poll about which drivetrain I should use

pettybludart said

This is horsekaki.In todays market a #,s matching 318/904/7 1/4 will never fetch the money of the same car modified with a 340 or 360,440,426 a new trans with 8 3/4 or Dana.Also throw in an Alterkation upgrade and the value just keeps increasing.A 70 Duster 318 car is only worth $3-6000 depending on condition in todays market.This is just my opinion,which you asked for.

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No disrespect to the guy manufacturing them, but I don't consider Mustang II suspension an upgrade. A expensive 2500 (I'm guessing) dollar lateral move that won't handle any better and probably not as well as carefully thought out upgrades to the stock suspension perhaps, done because the owner just can't figure out how to package the desired replacement engine with those pesky torsion bars.
Ditto at the rear, mother Mopar designed the leaf spring rear so well to begin with, that the right springs and upgraded shocks, coupled with a stock type body mounted rear stabilizer bar and a carefully designed and crafted panhard rod will run with coil spring, four bar setups costing four times as much. I don't even see much if any advantage in the torque arm setups the late model Camaro and Mustang players are putting stock in.