stock 5.3 4l60e + 18mph highway tune help
#11
Resident Retard
iTrader: (31)
IMO you need to start buy tuning the VE table. Log into HP Tuners forum and do a search on VE tunint or Auto VE. You can do this by using the fuel trims or a wideband. A wideband would be your best bet. Honestly you have a lot of reading to do, like I mentioned before goto HP Tuners forum and read up on VE tuning then check out some MPG tips...
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