Hi....a 1957/235 stock 3100pu..with 3 sp.+ 3:90....what would be considered a safe RPM number? Is 2500 at 55 (3rd gear) to excessive for the 235? T/C Steve I pull over a mountain pass starting at 700 hundred feet to an elevation of 1900 feet using 3rd gear at 65 mph @ around 3k rpms. I really think the 'Poor Man's Overdrive' aka, 215 85R 16's is the way to go for the straight 3 or 4 speeds w/o overdrive. Regards, Cosmo
~ Cosmo 1949 Chevy Half Ton Rocinante, like Don Quixote, he is awkward, past his prime, and engaged in a task beyond his capacities. "...my good horse Rocinante, mine eternal and inseparable companion in all my journeys and courses." ...Don Quixote, Cervantes "If you come to a fork in the road, take it."...Yogi Berra "Rudeness is the weak man's imitation of strength." ...Eric Hoffer
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