Hey all.

Dropped my '87 Raider off today for the annual VA state safety inspection, which it failed due to a) crack in exhaust manifold (small crack, according to the notes), b) pinched air injection tube, and loose upper control arms.

I've found the walk-through for replacing the upper control arms and/or bushings (thanks for that, btw) and have located a couple of exhaust manis on the intarwebz. Nowhere, however, could I find the air injection tube--is this dealer-only?

I'm hoping that I can have the mani crack welded, since the truck is 20 years old and has nearly 199k on the odometer--I'm sure the bolts/studs are frozen solid. Any hints for dealing with this? I have some PB Blaster, but no access to a torch or anything like that. Also, I'd be doing the work in the back of my apartment building (on gravel-yay!).