I put it to good use finishing up Dave's header!
The pipes nearly all tacked up:
Here is what happens if your fitup isn't exact:
Nearly completely tacked and ready for welding:
We raided the kitchen for some aluminum foil:
It looks like I should have turned up the gas a bit more:
Here we were getting a sense of where the tailpipe needed to go:
The other fun thing about welding a header off the engine is how much it moves. The two primary tubes moved (ONLY!!!) about 3/8" together. It makes for an interesting time getting the header on, but it is still manageable. If I ever make more of these, I'll have a jug set up to prevent that from happening as much.
I have more updates ready soon.