I'd try some of the same paint used on the frames, with an artists brush, if it comes out too noticeable you can polish it down with some rubbing compound

Bill


Moved over to the Passing Lane

"When we tug a single thing in nature, we find it attached to the rest of the world" ~ John Muir
"When we tug a single thing on an old truck, we find it falls off" ~ me
Some TF series details & TF heater pics