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Old 03-09-2025, 08:40 PM   #1
JSH


 
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Drives: '20 ZLE
Join Date: Jun 2020
Location: Mile High
Posts: 4,147
Coolant Reservoir Level?

I cannot figure out why my upper reservoir loses fluid every time I go on a cruise. It sits overnight, and when I go out the next day, the fluid has dropped. The fluid comes back up some after I loosen the cap, but never to the cold fill line. My shop has replaced the cap and pressure tested the system. WTF?
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2020 ZL1LE A10.
LME LT4 390 short block, CID Heads, Kong E2650, FBO.
15" conversion, Nitto 555Rii or MT ET Street R or Toyo Proxes RR.
100 octane: 1045hp/1055tq.
100 octane + Alky MAF Meth (1) 10+:
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