Quote:
Originally Posted by BobK
What rpm at 55? What rpm at 75? Does it have a cat? True dual exhaust all the way back? I assume fuel injected. I don't doubt the numbers you list. Could just be that you are too low on the torque curve at 55. Engines can be tuned for max efficiency at a specific rpm. They do this with stationary engines like generators that need to run for a loonngg time at a very specific rpm with very little variation.
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no, sorry. nothing there will cover a 20 mph difference in speed.
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[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.
[SIGPIC]
..I also have a 427 Cobra replica with an aluminum chassis.