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Old 10-25-2011, 04:03 PM   #3
WorkinLonghorn
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Join Date: Dec 2006
Location: Studio City, Calif.
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Re: Horsepower Ratings

The Truck Data Book for that year should have the info.

FWIW the 1969 350 4v was rated at 255 (Gross) @4600 RPM or 200 (Net) @ 4000 RPM. With the "A.I.R." Emissions pump it was rated at 195 Net
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'69 GMC C2500 Custom Camper, 8 1/2' bed, New GM 350, NP 435 Close Ratio 4spd. Trans., 3.73 Dana-60 open.Camper and Trailer wiring, PS, PB, AC, tach , three gas tanks, 2nd owner, Work-Truck supreme. Best $300 I ever spent.
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