In '72 my neighbor had a '71 Challenger R/T 340; I had a '72 Buick GS Stage 1 convertible. I outweighed him by 1000 lbs (3000 - 4100) but I had 390 lb ft of torque, and always beat him in our runs to work on a local street I shall not name. Sometimes on Friday’s he would beat me. I would be broke and forced to put 230 in the car instead of 260 until Friday payday…made a huge difference even in the (detuned from 1970) '72 Stage 1 engine. He said he did not buy a Hemi cause his dad did not want to cover the gas…260 was about 50 cents, I believe, back then, but new cars were 4-5K$, so it was all relative.
Good times, fun cars!