dyno testing

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dyno testing
torque vs. Hp

diesel dynamometer shop

dyna-cam - above left	cummins diesel - above right
200 hp, 650 ft.lb.torque, 300 lb.	200 hp, 700 ft.lb.torque, 3000 lb.

rpm

hp

torque

1500

166

580

1800

180

530

2000

195

512

The following dynamometer test results were achieved during tests conducted at Cummins West, Inc. in Los Angeles on Dyna-Cam engines. The engine developed 580 ft. lb. of torque using carburetion. The water brake dyno could not measure torque in the lower RPM's, (1000 - 1200 RPM) so it was not able to measure the full torque of the Dyna-Cam. Normally an eddy-current dyno is needed to measure torque ratings at those levels. Dyna-Cam now has installed and uses an electric eddy-current dyno for testing.

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Results for dyno tests conducted at a Southern California Marine Facility showed that runs off the prop shaft of the 375 cu. in. displacement Dyna-Cam generated readings of 2400 PSI to 2500 PSI. Typically a 350 cu.in. Chevy V-8 develops pressures of 1825 PSI and the big block 454 magnum produces 2300 PSI. This shows that the Dyna-Cam is producing equal or greater output compared to a conventional V-8 of much larger displacement. These larger V-8 engines are typically rated at 400 HP.