I think you're right. After comparing the mount design, they aren't looking very similar. I am starting to lean in the direction of rebuilding my mj assembly.
I am also thinking i could make something like this work under my dash. Thoughts?
http://www.jegs.com/i/Lokar/625/EHB-7000F/10002/-1?CAWELAID=1710789581&CAGPSPN=pla&catargetid=230006180000848257&cadevice=c&gclid=CP3Lp4vwyMMCFVIV7AodEEwAUw