Bob Riding Posted January 12, 2019 Report Share Posted January 12, 2019 I'm dissembling the '52 Suburban and found Gabriel Hi-Jacker air shocks on the rear. The schraeder valve still had the cap on and the lines were hooked up, so why not test them out, I thought to myself. To my amazement, they worked and raised the wagon at least 4 inches! They are holding air after one week. The last time the vehicle was registered was 1979. Good ole American quality! After reading about air shocks, all the major manufacturers (Gabriel, Monroe, etc) describe them "for towing or hauling heavy loads" but nothing about adjusting ride height for all the time driving. How many forum members are running air shocks? Any reason why I might want to replace them with modern air shocks, vs the standard rear shocks? I will be using Rusty Hope's shock relocation brackets for the front. Quote Link to comment Share on other sites More sharing options...
casper50 Posted January 12, 2019 Report Share Posted January 12, 2019 I've got air shocks on the rear of my 47 3 window. I put them at the height that I wanted it at 18 months ago. Haven't touched them since. Quote Link to comment Share on other sites More sharing options...
DJ194950 Posted January 12, 2019 Report Share Posted January 12, 2019 I use air shocks(new) on my 50 Plymouth 4 dr.. Put them on because the original springs were OK for normal driving but say crossing RR tracks the bounce was to much-I felt even with new Monroe shocks installed. Found some air shocks on Ebay or Amazon for a reasonable price so I tied them. Found the correct app by the sale adds on EBay to fit ,then went internet shopping for price with shipping. You all ready have some so new paint?? i Put just enough air in them to barely raise the rear body. Ended up at 50-55 lbs. Now crossing RR tracks it does better than my much newer car (still not a new car-100k miles). i LOVE EM! Way cheaper than new springs!? DJ Quote Link to comment Share on other sites More sharing options...
BobK Posted January 12, 2019 Report Share Posted January 12, 2019 Just something to think about...….. springs and their mounting hardware are designed to support vehicle weight, shocks and mounting points for them might not be able to. Quote Link to comment Share on other sites More sharing options...
chrysler1941 Posted January 13, 2019 Report Share Posted January 13, 2019 I use Gabriel on mine for correct level when towing a camper Quote Link to comment Share on other sites More sharing options...
kencombs Posted January 13, 2019 Report Share Posted January 13, 2019 17 hours ago, BobK said: Just something to think about...….. springs and their mounting hardware are designed to support vehicle weight, shocks and mounting points for them might not be able to. So true! Reminds me, back in the day they were really popular with tri-five Chevy guys, really jacked them up for that look.. Stock upper mount location was the trunk floor! I've seen more than one shock sticking up into the trunk when the weight and rough roads became too much. Quote Link to comment Share on other sites More sharing options...
Plymouthy Adams Posted January 13, 2019 Report Share Posted January 13, 2019 they are to compensate for heavier loads and still retain dampening action within the built in travel limit...IF YOU are to over fill and extend them to the max you have driven out past the dampening action and simulating a straight solid mount, that is when the BEATING occurs and resulting damage.....logic prevails, everything in moderation... 1 Quote Link to comment Share on other sites More sharing options...
Bob Riding Posted January 13, 2019 Author Report Share Posted January 13, 2019 17 hours ago, BobK said: Just something to think about...….. springs and their mounting hardware are designed to support vehicle weight, shocks and mounting points for them might not be able to. Good point. How do I know if the rear leaf springs are OK to use? I assume they have never been replaced, as they still have the original covers on them, as you can see in the pictures Quote Link to comment Share on other sites More sharing options...
Plymouthy Adams Posted January 13, 2019 Report Share Posted January 13, 2019 are the still curved or flat on the long end (shackle) if flat or negative curve...you are beyond service limits...rearch, replace, any longer shackle will be fleeting and actually accelerate the negative... Quote Link to comment Share on other sites More sharing options...
Bob Riding Posted January 13, 2019 Author Report Share Posted January 13, 2019 3 minutes ago, Plymouthy Adams said: are the still curved or flat on the long end (shackle) if flat or negative curve...you are beyond service limits...rearch, replace, any longer shackle will be fleeting and actually accelerate the negative... I will check, thanks Quote Link to comment Share on other sites More sharing options...
brian b Posted January 13, 2019 Report Share Posted January 13, 2019 I have been running a pair on my 39 for at least thirty years. Agree with all posted, a little bit of air can be helpful, but you can't jack them up with 80lbs of air and try to compensate for worn springs. Not sure of the dynamics involved, but I've also heard too much air can break the bolt holding the leaf spring together. I have separate air fill lines for each shock, and its fun to play around with air pressures and how it affects "launch" from a stop. More air in the right shock makes a difference as far as traction. Everyday driving, maybe run 10-15 pounds both sides. brian b Quote Link to comment Share on other sites More sharing options...
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