Tempting for a belt drive project.... chop the dropout vertically in front of the existing, have some ally plate made up with "track" ends and bolt on. Or even make up a normal dropout in the same manner.
Too many projects.... Might be tempted if the price drops.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.