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just got a new work truck (2015 silverado HD with 6.0) and it says E85 on the gas cap.
filled up once with E85 and it got terrible MPG, have not put it in since
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2018 ZL1 M6 NGM
PPF and Ceramic coating
IG: NGMZL1
2010 2SS RS --- SOLD
MODS-
Performance: BMR trailing arms & bushings | BMR Toe links | X-pipe | Muffler delete | Vmax ported throttle body | Apex "strong" MAS | Vararam CAI | Apex catch can | Kooks Headers | Kooks HF Cats | Dyno tuned by GPI 417 RWHP 409 FT-Lb
Cosmetic: painted Zl1 rockers | Zl1 grill | AAC side markers | AAC LED backup lights | windows tint | taillight tint | JDP tow hook | all emblems blacked out | LED fogs
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