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Re: 1966-81 Chevy H/J Series
Quote:
Originally Posted by ClassicTVMan1981X
I also found out that the only engines available for the short-hood (93" BBC) H/J 90 series in 1970 were the Detroit Diesel 6-71 and the Cummins NH 230.
In 1971, a tilting hood was made available for the short-nose models, and thus the Detroit Diesel 8V71 and the Cummins NHC 250, previously only available for the long-nose (C/M 90 series) models, were also available for the short-nose models.
Additionally, the Cummins-powered models were given two designations: the HN/CN (4x2) and JN/MN (6x4) models were given NH-230 engines; while the HC/CC (4x2) and JC/MC (6x4) models had the "Custom Torque" NHC-250 models.
~Ben
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A tilting fiberglass hood was available on short-nose GMC H/J 9500's starting in 1966. Chevy didn't get a H/J 90 series until 1970. In 1971, both Chevy and GMC did start to offer the 8V-71 and the larger Cummins (including the 903 V-8) in the short nose 90/9500's, BUT those trucks had a raised cab and a different hood. You can quickly tell the raised cab versions apart because the headlights are at the lower edge of the grille
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1967 GMC CM-2500 Camper Cruiser, 351E V-6, NP 435 4 speed, Dana 60, and factory A/C. 2012 GMC K-3500 WT regular cab, 6.0L Vortec, 6L90.
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