You should be alright with just POR 15 for awhile, but the POR 15 is not UV resistant.
I always remove the lead with a propane torch. It probably isn't the healthiest way, but then again, what choice do I have. I don't have access to one of those big filter thing-a-ma-jigs like they use on Muscle Car that filters the fumes while you remove the lead.
Be sure to clean the surface good before trying to re-weld.
I like to use Metal-To-Metal on all previously leaded seams. The stuff is great and resists cracking and helps prevent rust. Healthier than using the lead too.
Oh yea, check out my new lower prices on tail panels and front fenders.
Thanks,
Daniel
www.ebodyproducts.comdj1965@mikrotec.com