C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Avg MPG increase after tune

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Old Mar 19, 2010 | 09:36 PM
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mbowers13's Avatar
mbowers13
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Default Avg MPG increase after tune

Hey folks, I was curious to see how many of you saw a mpg increase after your tune was done and how much was the increase? I am not as experienced with tune parameters as other aspects of a car's workings and want to get an idea of how far off I may be.

I have been on this tune (my first) for about a month and used to get ~20 mpg, now it's up to 23 and slowly climbing. I was really happy with the smoothness, definitely feels a lil better all through the RPM range.

How bout you?
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Old Mar 20, 2010 | 04:11 PM
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From: Los Angeles CA
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Originally Posted by mbowers13
Hey folks, I was curious to see how many of you saw a mpg increase after your tune was done and how much was the increase? I am not as experienced with tune parameters as other aspects of a car's workings and want to get an idea of how far off I may be.

I have been on this tune (my first) for about a month and used to get ~20 mpg, now it's up to 23 and slowly climbing. I was really happy with the smoothness, definitely feels a lil better all through the RPM range.

How bout you?
mines down to 10 mpg
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Old Mar 21, 2010 | 02:08 AM
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Did you do the tune youself, if so, what program did you use? I'm trying to figure out what to use.

thanks in advance.

bill
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Old Mar 21, 2010 | 08:53 AM
  #4  
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Originally Posted by Arkybill
Did you do the tune youself, if so, what program did you use? I'm trying to figure out what to use.

thanks in advance.

bill
Yes & No on the tune. I also own a 95 Formula that had been tuned before I got it. I used about 95% of the tables and settings from it for the Vette. I also got some assistance from a member here for final confirmation before I loaded it. Thanks again bjankuski!

I used Tunercat. I thought about Tunerpro (and might do so one day) but Tunercat is more reputable in the area.
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