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I have a rotary out of a 1979 rx7, and my 12a was stuck when I got the car and I got the rotary's unstuck with marvel mystery oil then I pulled the engine apart, and where the rotarys were stuck there is a small amount of rust. Can I get that off and save the housing? Its not pitting the metal, just hard on the surface. Thank you
04-05-16 | 11:06 PM
