In general, making horsepower at higher RPM means you're producing less torque, which means you're putting less of a load on drivetrain components. 600 HP at 3600 RPM is easier on drivetrains than 600 HP at 2400 RPM. But any engine making useable power up to 3800 RPM is going to be producing torque at break-parts levels anyways. You can only do so much with the power bands on these pigs. If a part breaks you'd expect it to be around peak torque RPM, and that'll be down low even if peak horsepower is above 3000 RPM.
Manual valve bodies are great in general. Non-lockup transmission means you will never break any parts associated with the lock-up feature.
You're dealing with a lot of torque, even mitigating that as much as possible still leaves you with a lot of torque. I'd like to hear what people say though, what the most tranny-friendly power-band is on a 5.9.
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1990 D-250 Regular Cab: Automatic transmission, turkey air horn, wires.
Last edited by Begle1; 04-03-2019 at 03:24 PM.
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