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cmann250 wrote:I did some figuring and in O/D, every 20 mph is 500 rpm. So 80 mph is about 2000 rpm and 100 mph is about 2500 rpm.
I checked my engine tag and Cummins rated the peak power to come in at 2500 rpm. Now I wish it'd been run out to 90 or 100 which would be about 2250-2500 rpm.![]()
I'm extrapolating the line by eye, and dang does it look like I could have cracked 300 hp and 625-ish torque if it got ran out.
I would be beside myself if I cracked 300 hp with injectors that have never been out of the head.
PToombs wrote:Dyno tomorrow, 4th gear or 5th on a load type? I know it's been discussed but I can't remember which is better.
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