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Old 05-27-2017, 02:32 PM   #23
LS1 Fun
 
Drives: 2013 ZL1
Join Date: Nov 2012
Location: CA, USA
Posts: 128
Got the car back yesterday.. no more noise and runs great! They ended up installing a new supercharger. I can definitely tell a difference in the sound of the engine, no more faint knocking/rattling!
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1974 Cadillac Coupe DeVille
2002 Camaro Z28 A4 | 10.80 @ 131 | 383ci, D1SC, 4L80E, 9"
2013 Camaro ZL1 A6 | 12.62 @ 113 | Stock *SOLD
2017 Lexus GS350F
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