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Today I successfully removed the seven fasteners securing the exhaust… - delta_november

Sep. 17th, 2011

01:13 pm

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Today I successfully removed the seven fasteners securing the exhaust manifold to the rest of the M38A1. Six came off cold, after a soak in penetrating solution. One required a little bit of heat and a big lever arm. I have sacrificed two hex sockets (nuts stuck in them that I can't drift out) but there is no damage to the all-important studs.

The manifold appears to be cracked in four places -- two more than I had initially believed. One has been touched up by some prior mechanic. This cements my decision to get a new one, and not try to weld this one back together.

The only excitement is that the manifold still won't budge! It's held on either by corrosion to the studs, or cementing of the asbestos gaskets. A big pry bar won't move it. I have soaked the points of contact in more penetrating solution. If that won't work, starting the engine and taking bumps at speed may... When it gets very loud I'll know it's worked.