INTERNAL ENGINE MODIFICATIONS Valvetrain |Heads | Strokers | Design | Assembly

4.8 turned into 5.3

Old Nov 28, 2012 | 08:46 AM
  #31  
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I went from 19 mpgs stock to 23ish mpgs highway and 13mpg city to 17 city
with CAI Longtubes UDP "Efans < which your 06 should already have" and an EFI live dyno tune

3.42 pretty much is the perfect city/highway combo gear.
The truck is kinda slow from 0-20 3.73s would fix this but I love my mpgs haha

I spank a stock tundra and titan, dig or punch. I will beat a GT mustang with exhaust and programer till around 90mph then our N/A trucks just kinda stop pulling
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