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Old 02-23-2021, 07:35 PM   #7
JSH


 
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Drives: '20 ZLE
Join Date: Jun 2020
Location: Mile High
Posts: 4,191
Quote:
Originally Posted by fedupdave42169 View Post
Just purchased a 2021 zl and it has 4 miles on it. I’m sure 10 different people will tell you different break in procedures are but was wondering what zl1 owners have done. Also wanted to know when you got your first oil change, my salesman said 6k miles which I don’t exactly agree with. Thanks for replies.
I've driven mine like a bat out of hell from day one. First oil change I tried 5W30 which it used a lot of and now with 0W40 which it doesn't use any of.

Otherwise no issues (other than those associated with continuous mods).
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2020 ZL1LE A10.
LME LT4 390 short block, LME CID Heads, Kong E2650, FBO.
15" conversion, MT ET Street R 325/15.
100 octane: 1045hp/1055tq.
100 octane + Meth (1x10+): 1117 hp/1067 tq
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