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Cloverland, Wa | Hi all. This summer a good friend brought me this Cat Thirty intake manifold to fix. He just wanted me to weld it up as it was but left it up to me. I had a hunch that there was more rust and carbon inside then met the eye. The sides were mostly broken out anyway so I just went ahead and opened them up all the way with a grinder. I’m glad I did, they were a mess inside. I used electrolysis to cook the rust and carbon out. Once I got them clean I sandblasted the pieces and brazed it all back together. Turned out ok.
Here are some before and after pictures.
BP.
Edited by Bruce P 12/28/2020 18:13
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Attachments
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 76713FF2-5EDE-42B9-891F-7B01DF59D5F6 (full).png (98KB - 341 downloads)
DA2265FF-64CE-46E8-A9F5-CEC02156653F (full).jpeg (156KB - 133 downloads)
9FBF9754-4926-42E9-A747-DF5441C47FED (full).png (88KB - 384 downloads)
B23560A6-C258-46E6-8020-45DF22A61545 (full).jpeg (159KB - 193 downloads)
E07C1442-5227-4010-92A7-F52DD8FF72CC (full).jpeg (140KB - 146 downloads)
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Old Intake manifold repair.
