Forum Discussion
Mark_in_FL
Feb 19, 2015Explorer
j-d wrote:
From your scale weights, it seems you have a few hundred pounds remaining capacity on the front axle. I don't know if this chassis was "stretched" (cut in two and reassembled with an extender section) but if so they should have stretched a little more than they did. You wouldn't have any more capacity in total, but it would be a little more useful.
Many Many Class C's have this issue as was mentioned above. In the bigger ones, based on Ford and Chevy cutaway van chassis, I blame the floor plan. Designers want a certain "room" at the rear, usually a walk around queen bed arrangement. But they don't want wheel wells in the bedroom, so they design it as all overhang. If the coach isn't 29-32-feet, the wheelbase isn't long enough to shift enough weight to the front. Rear axle is near, at, or over its rating, and the front isn't heavy enough for directional stability (tracking) on the road. Your chassis is FWD, so tracking probably won't be an issue.
They added 4' behind the Promaster frame.
http://www.rambodybuilder.com/2014/van/docs/vf/far.pdf
PROMASTER CHASSIS STRUCTURAL MODIFICATIONS MODIFYING REAR OVERHANG
Modifying the rear overhang causes a significant change in the weight distribution on the axles. Final stage manufacturers must take this into account, checking that the GVW and GAWRS are not exceeded.
((At least not exceeded as dry weight when leaving factory. "No es mi problema - es su problema."))
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