Umm...I think I read some guy getting 12MPG with the 6.0.
Umm...I think I read some guy getting 12MPG with the 6.0.
'01 Sierra 4.8 SCSB
4.10, Eaton posi, Nelson tune, 160 t-stat, K&N Intake, Magnaflow catback, Vig 3200, Transgo+billets, 100 NX wet shot
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