Originally Posted by northstar1960
Why is it people think 4500 rpm is so bad on a gasser ? if you go to the gm web site and lookup the 6.0 it clearly states ONLY 5200 rpm for max hp and ONLY 4300 for max torque . seems gm thinks these rpms are minimal . since the 6.0 is a small block pulling 4500 rpm is not even working the engine .
Yeah, I have never understood the mentality either.
4,500 RPM's on a gasoline engine isn't just OK, it is normal when needing maximum torque.
I have an F250 with the 6.2 gasser & 6-speed. First thing I do after I hitch-up is put it in tow/haul mode and restrict it to 4th gear. Easy, peasy, works-like-a-charm. This is with a TT pushing 11k lbs and 3.73 gears.
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