My reefer was a sliding spring ride tandem in its beginning. I have made an air ride spread axle out of it, with dumps on both axles, with individual switches. (I can dump either or both) I had to re-inforce the frame between the spread rather drastically but I've never had any cracking or breaking problems yet in 3 years. You would be amazed at the different turning radius when you dump the rear as opposed to the front.
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1999 FL Classic, N14+ 525 hp, RTLO16-9-13A
1997 Van's Aircraft RV-6, IO-360
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