springs over air shocks

[Silver R/T]

Is it possible to have springs/coils over air schocks in the back?

[Mike DC]

Hmm . . . never thought about it.
It's probably possible if you buy the right coils & got the right mountings set up, but it's probably not worth it to try either.

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Air shocks (when pumped up) are gonna eventually break the shock mountings on an old Mopar.  The factory didn't want the weight of the car sitting on the rear crossmember.  And even if the upper shock mounts hold, the lower shock mounts on the axle aren't really strong enough for the job either.

If you want the car higher up, then I vote to get different leaf springs to do the job.  (And don't get them from MP.  Word on the street is that MP's selling cheapo Mexican leaf springs that sag quickly.  Pay up and get 'em from a respected spring company.)

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[Silver R/T]

I could probably reinforce shock mounts, didnt know theyre so weak. Supposedly Charger has very tough suspension

[Mike DC]

Charger's aren't that weak in the big scheme of things, it's just that most old musclecars in general aren't strong enough in the right areas to use air shocks.  People have been using them of decades but that doesn't mean they're a good idea. 

Air shocks won't break a car right off the bat, but it's bad in the long term.  It depends on how much work the air shocks are doing on your particular ride (how worn-out the factory springs are, how much you've got the air shocks pumped up, etc).  But too much pressure will elongate the holes on the crossmember, and then the mounting plates can bend too.  On rusty cars, air shocks have been known to be enough to break the crossmember. 

[charger72]

Silver, I used to have a 71' swinger that had air shocks with coils springs over them. I liked the way it rode and it seemed to handle pretty good too.