Thread: 1970 Z28 8" Timing Cover Original GM
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Old 09-04-2009, 08:21 PM
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Default Re: 1970 Z28 8" Timing Cover Original GM
Painted pieces like that clean up really well if they are soaked in lye for 24 hours or more. The paint and grease literally fall off. Lye doesn't attack steel and it can be left in for lots longer, but lye is death on aluminum.
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