We have the same electric cooktop in our '83 and I would rather have the propane as well. Is this a big job to change, assuming we can find the appropriate propane unit?
We have a Magic Chef 3 burner propane stove/oven and love it. I notice on Ebay there are a number of 3, and 4 burner stove/ovens for sale for under $400. Here are a couple of pictures. Just do a search for RV Magic Chef Stove.
I found this one in an '88--gas AND electric. Thought I'd find one on eBay but nada.
I think we're better off with a cooktop. Never have found a use for that thing they call an "oven"--except pan storage--and there are two nice slideout doors below the existing cooktop.
If i make the swap I'll post the gory details, Bluesky.
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'76 Newell with Cummins 555
(Sold--but never picked up!)