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First time for air shocks as OEM?


Dan Marx

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Air shocks were standard equipment on a 1981 Chevy ElCamino!

Scot

I think they were std factory equipment on the El Caminos in about 1967, too, when the current style of air shock became popular.

On the higher level car lines, rather than mere air shocks, they had automatic leveling.

The factory-equipment Delco air shocks had a unique air fitting which ONLY came with the assembly line shocks OR their factory part number replacements. Otherwise, you had the more normal screw-on-ferruled-line air shocks.

Seems like full size Ford station wagons had them as part of a trailering package in about 1970 or so?

In the early 1970s, Gabriel had some "self-leveling" rear shocks which used internal fluid "pumped" fluid to return the rear suspension to a pre-determined ride height. Didn't really catch on, although the ills of air shocks were fully known by that time . . . like exposed air diaphrams being subject to road debris and other durability problems. Hurst had some which used a fully internal bladder to counter that, but as that wasn't a "mainstream" brand back then, not much exposure outside of the high performance area of things. Gabriel did extend the upper shock body with a shield to protect the air diaphram, although more popular brands as Monroe never did.

I'd think that IF the pump works and IF the shocks aren't worn out (you can check this by "stroking" them from fullly extended to fully compressed to fully extended a few times), AND the lines are in good shape (or at least useable for where you might want to mount them), then $50.00 might not be such a bad deal. What about the self-leveling valve mechanism???

Just some thoughts,

NTX5467

Enjoy!

NTX5467

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They were standard on 1968 ElCaminos. Not sure about earlier or later. My dad's 68 had them complete with steel airlines from the fill valve to the shock area.

He was bad about forgetting to maintain minimum psi in them. Then he'd load the car-truck up and pump the air shocks up. He did that one time with a load of sawdust in the bed. DK how much air he put in them, but all of a sudden POW and the back of the truck dropped right down.

Naturally, after that air shocks were nothing but trouble and he wouldn't have another set on anything. He still wouldn't let me have the steel lines for my 442.

Mama was the same way about a battery charger. One of my uncles had an ancient one catch fire in the garage once, so after that a battery charger was no longer a useful tool, it was something that caught fire. Never mind it was probably a mouse nest inside it that blazed up.

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Air shocks were optional on GMs at least as early as 1966. The 1966 cars had a vacuum operated on-board compressor to operate the shocks. Later years simply had a schrader valve behind the rear license plate for filling the shocks. Delco also sold an aftermarket version of the system, which is what you have probably found. These included a small vacuum operated compressor as well as the shocks and an under-dash control panel.

Later GMs (mid 1970s and newer) used an on-board electric compressor with a sensor between the rear axle and frame to auto-level the car by filling or emptying the air shocks. And of course the late-1950s GMs came with an air-ride system, but I'm afraid I don't know much about those.

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I recall a 65 or so El Camino which had optional air shocks. The Schrader valve was behind

the passenger seat. We used them to haul a load of produce (corn) for a grocer.

Perry

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