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Old 02-10-2022, 07:39 PM   #81
gpskinzhut

 
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Drives: 2020 Corvette Stingray Z51
Join Date: Aug 2011
Location: Knoxville, TN
Posts: 1,982
Quote:
Originally Posted by HCI2000SS View Post
My V6 would routinely get 31-32 (best was 33) on the highway on 87 octane. The biggest savings was being able to run 87 with no real worry or penalty.
My 2010 never came close to 30. Think it topped out at 27 or so. Averaged low 20’s otherwise. As far as savings, roughly $11/fill up at current prices here in TN.
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2020 Corvette 2LT Z51
2017 ZL1 A10: (SOLD) ||
2017 2SS M6: (SOLD) || 2014 2LT Convertible: (SOLD) || 2010 2LT M6 Supercharged:(SOLD) || 1987 IROC-Z 5.0 M5: (SOLD)
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