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Old 05-23-2021, 01:08 AM   #2
SSallday
 
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Drives: ‘18 ZL1 / ‘22 ZLE
Join Date: Oct 2013
Location: PA
Posts: 603
28-30 is normal. The engineer’s response to your issue is bs. They want to avoid replacing your pump because it’s a big expense. I bet they are hoping it fails after the warranty is up. If 20 psi was normal then all ZL1s should be running 20psi.
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