Nice job on the plow willy.
what does the whole assembly weigh, can the old chevy hold it up.
I live in northern B.C. cananda, and do more than my share of snow removal.
I use a skid steer with a 9'2" plow or a case loader. once the ground is frozen i take the shoes of alltogether, I push all around our helipad's(concrete,ashfalt,grass,gravel) don't ever have a problem.
I would drive the 30 miles to push his driveway in, it would be worth it.