Eastwood makes some lead kits for the repairs. It's not really that hard, you do need to remember that when lead melts, unless something is keeping it up or you are on a horizontal surface it will just drop when you reach its melting point. I think in the long term and you are planning to keep the vehicle or you want it repaired the way the factory did it, lead is the best option. Though not many know or do work with it on a regular basis.
1978 Trans Am w/Muncie 4 speed and 1969 4 bolt 428 Built
1979 Formula WS6 455 Oldsmobile
1985 Pontiac Fiero Lowered 1.5" coil overs, upper and lower tubulars all the way around
Soon to be 2005 3.8L Supercharged with 4T65-E Transmission for power and drive