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Old 05-27-2010, 02:21 PM   #15
DaSkinnyGuy
 
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Quote:
Originally Posted by JL8Jeff View Post
And 65 is too low with the 6 speed, you best mpg will be 70-75 mph if you can maintain that.
Hows that so? higher speed means a higher TPS % higher the tps % the more fuel the fuel injectors are reqeusting

Quote:
Originally Posted by V View Post
i wouldnt trust that "16.5gal" i've NEVER put more than 13.2 in my tank, even after draining it.(dam diesel mix..)
I just recently put 14.1 gals in my car, the check gauge light comes on roughly 2.5-3 gals of fuel left in the tank

Quote:
Originally Posted by WildBillyT View Post
You can't go off of the location of the gauge. Let's just say they aren't exactly Autometer's finest.

Like Jeff said- fill the tank, drive to where you need to go, fill again. Use the amount of fuel you buy in the second fill as your fuel consumption. That will be a rough estimate.
factory gm guages aren't the best i know that being that for example the rpm gauge is slow and for your second statement refer to post #3.
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Last edited by DaSkinnyGuy; 05-27-2010 at 02:26 PM.
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