I say the Camaro can get 37, I doubt the Chevelle will. Sometimes old cars with carbs would do better at certain rpm because they were tuned that way, or should I say weren't tuned properly in all throttle and load posisitions. I bet that is what was going on with the above mentioned Monte Carlo. Get the mixture and timing right at a low load 1600 rpm and it would have had better mpg then at 2000. That or it had an aftermarket cam in it. So many times people would over cam those old school engines.
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