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#1
05-09-2017, 01:16 PM
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central tire inflation system on CUCV ?
I have come across a mention that the Pickups and Blazers sold to the military as early as 1984 had a central tire inflation system (CTIS) available. I found the on-line version of the Army's shop manual (at www.motormayhem.com) for the CUCV but it had no mention of the CTIS.
Any information anyone could provide, even anecdotal would be useful. Thanx in advance, Dr. Lee 
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Dr. Lee  1984 C-10, custom 6.5L SAA, custom 700R4, Gone but NOT FORGOTTEN 
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#2
05-09-2017, 08:24 PM
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Seems Dana is the one that supplies the CTIS for the military. below is an explanation on how it works.
http://auto.howstuffworks.com/self-inflating-tire2.htm Bill
__________________
91 Buick Roadmaster/Avant 6.2 NA conversion (gone but not forgotten) 94 Cadillac Fleetwood (sold) 08 Aerolight 23TT 06 Vortec Max Silverado CC SB (finally got all the bugs worked out)
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#3
06-05-2017, 04:39 AM
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Howdy
In the USMC circa 1992, we never had CTIS on anything except the Hummers. CUCV was basically a civilian vehicle built to a military spec for ADMIN and BASIC transportation uses. It was never intended for a combat role. It was more of a cost saving venture than anything else. IRC, a CUCV was about 1/3 the cost of a Hummer. These CUCV would be square body chevy pickups and blazers from 1983-1987. There was a VERY limited number of "CUCV II" built on the GM400 platform but I never saw one in the USMC. Possible that the CUCVII's had a CTIS but I dont know. The Main purpose of the CTIS in the military was to air down/up tires as needed for traction and environmental issues. The USMC implemented this on new hummers put into service around 1992(???) If your tire was shot it was not going to get aired up again by the CTIS. That was why we had run flat tires/rims. The run flat rim was an important part of the CTIS system. CTIS could be used to keep tires at a constant and help with slow leaks. Our bigger trucks, 2.5 and 5 ton, had on board air systems designed for external air use such as brakes, tools and inflation.
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1996 Chvy 3500 CCDWLB 6.5 Heathed, NO vac, marine injctrs, ARB bumper, BIG pipe, 3" lift, bright lights, bypass oil system. 1986 Chvy 6.2 M1009 blazer RAM AIR, Headers, Custom interior 2001 Chinook RV, V10 gas 1974 John Deere 1530 diesel tractor 1993 John Deere 455 Diesel lawn mower 1967 GTO, 1989 Honda Transalp 2009 VW Jetta TDI, flashed and piped, 6speed, fun car! 1998 6.5 suburban, stock, daughter's 1993 6.5 3500 CCSWLB GM8, Heathed, big exhaust, gauges, Son's 1984 6.2 ATS turbo 3500, SCDWLB - Son's 3 kids, 1 wife, 1 dog Gunsmith, Tactics Instructor, Fabricator USMC 87-93 Semper Fi!
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#4
06-05-2017, 06:06 AM
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My father was a contracting officer's representative for the DLA and in conversations with him, it is possible that CTIS was an “option” in the CUCV contract, but not one that was ever actually produced - or produced in extremely low numbers.
Most often, things got eliminated due to budgets. They tried to shave off any options they could to get a cost down to a certain number and someone decided a particular option wasn’t necessary.
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’94 GMC 6.5TD K1500 4L80E 2-Door Yukon SLE 216K ’93 Chevrolet 6.5TD K2500HD NV4500 Std. Cab Longbed 184K ’85 Toyota 22R RN60 4x4 Std. Cab Shortbed 178K (Currently retired for rebuild) Diesel Page Member #2423
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