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dynarex
February 2nd, 2008, 01:11 AM
just bought new 1500 gmc with the 6.0 and 4l80 trans
im ok with my diesel tuning but have never done a gas jobber
any thoughts on how to boost performance/mpg/what NOT to do?:)
Chevy366
February 2nd, 2008, 04:06 AM
VE , MAF , Spark tuning and lower TM , zero shift times , in trans , usual gasser stuff .
dynarex
February 2nd, 2008, 08:01 AM
im gonna try it-just dont want to blow it up yet
Chevy366
February 3rd, 2008, 04:06 AM
DFCO tuning seems to yield a good MPG increase , the trans stuff will not hurt the 4L80E so do the TM (leave 10 or 20%) and shift times (0) .
dynarex
February 3rd, 2008, 07:54 AM
DFCO tuning seems to yield a good MPG increase , the trans stuff will not hurt the 4L80E so do the TM (leave 10 or 20%) and shift times (0) .
whats dfco?
ScarabEpic22
February 3rd, 2008, 09:57 AM
Deceleration Fuel Cut Off, basically when you let off the gas it will cut fueling and save gas, therefore giving better mileage.
dynarex
February 3rd, 2008, 10:10 AM
anyone care to share a tune? just so i can learn a little-ill understand if no one will