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etx · 08-03-2017, 10:19 AM

That's not corrosion. The timing chain cover is aluminum so it will get some build up on it but it's nothing to worry about. I clean mine by hand with a little machine polish and a microfiber towel and it looks nice.

08-03-2017, 10:19 AM	#2 (permalink)
etx Base Member Join Date: Apr 2016 Location: Detroit Posts: 43 Drives: 2010 370z PW M6 Rep Power: 9	That's not corrosion. The timing chain cover is aluminum so it will get some build up on it but it's nothing to worry about. I clean mine by hand with a little machine polish and a microfiber towel and it looks nice.