Re: exhaust manifold removal
On my 390 I spend a week liquid wrenching the bolts and they came off surprisingly easy. Don't know anything about a 429, though.
When you're going through hell, keep going.
Putts drives a 1965 four door Galaxie. Rebuilt 390. 4100 on a Performer, AC, PS, PB w scarebird front discs, COM MX transm w/3.0 R.E. The seats, dash and hood are customized.