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Old 07-10-2018, 05:09 PM   #4
1967RS327
 
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Drives: 1967 RS 327 Muncie, 2017 ZL1 6spd
Join Date: Jan 2017
Location: OKC
Posts: 82
When I changed mine I flushed the 4+ quarts of oil out of the cooling system loop. Draining and refilling 1.5 quarts in a nearly 6 quart total capacity system doesn’t seem like it would do much..
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