5-lug to 8-lug conversion on Chrysler motorhomes

Anybody ever do this swap? Have a guy not too far away with the remains of a '78 Georgie Boy Country Aire motorhome (25-footer). Has the Dana 70 rear and disc brakes, both 8-lug. Was wondering if this is good, swappable pieces to take my Travco 320 from 5-lug to 8-lug. My concern is that the brakes are not the same size, being a coach that is 7 feet shorter than mine...guy isn't certain if it's an M-400, 450 or a 500.

Looking for thoughts/answers- definitely not interested in smaller brakes/wheel combos, trying to work it for the 8-lug so I can get some Alcoa or Accu-ride rims for my Travco as an upgrade, LOL!

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Comment by Fred Timms on March 15, 2014 at 12:25pm

I've converted pre-'73 Chrysler A-bodies from small bolt pattern (5 on 4" pattern) to large bolt (which is 5 on 4.5"). Since the spindle size is uniform across the board in '73, you get larger wheel bearings and can go from 10 3/4" discs to the 11 3/4"-12" (off the B- and R-body offerings) , no sweat.

Definitely never downsize my brakes. But with this M-500 chassis, I know very little so I am looking for experienced voices who would know where to look/what will work.

Comment by Pat Daly on March 15, 2014 at 9:30am

Fred, maybe ask myrtle.. long time travco owner and blogger. type Myrtle in search box top right. also type in rim conversion, wheel conversion and Travco. everything on that topic will pop up.  Jimy orGary Sebastian may have some thoughts on this conversion, rims and brake sizing. Note. none of us can really comment safely on changing brake sizes for liability reasons so that's up to you...

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