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Power Strokes
94-97 Tech
EGTs and smoke, out of nowhere
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[QUOTE="trevdalocal, post: 1542344, member: 31493"] Okay, did another leak check this weekend. Definitely leaking from around the plenums. Pulled the piping and turbo last night, popped off the plenums and resealed. I see why they were leaking. The Beans billet pieces have a groove milled around the edge, like a o-ring groove for your head gasket. Naturally I laid the Ford sealant in the groove and installed the plenums. Well, on the narrow side of the plenum with the slotted bolt, the groove completely misses the corresponding sealing surface on the head, it's too far in. As a result, the bead of sealant was doing nothing for that whole side of the plenum, it was still there, looking just like I laid it down. This time, I laid RTV on the heads themselves. I wrapped up just before midnight, so I didn't have a chance to leak check it again. On the way to work this morning, nothing seems to have changed. EGTs might be slightly lower under steady cruising, but they still spike up exactly as before. It was dark out, so I couldn't see if it was smoking like before, but I would hazard a guess it is. I'll leak check it again and see what else I can find, now that plenums aren't hissing away. [/QUOTE]
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EGTs and smoke, out of nowhere
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