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gas mileage



05 GTP stock. Low of 16.0 high of 20.4 and an overall average of 17.9. Mixed city and highway. Car only has a 3 button and does not display mpg. All calculated from miles per tank.

Jeff
 
I've been going off the dic. It's at 20, which is obviously high for this time of year, but remote starting it every morning when that doesn't count against my reading will do that. I'm at about 70% city driving now though, compared to the 90% it used to be

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On e85, 20mpg hwy 12 mixed.

Now on 93, 30mpg hwy, 17 mixed.

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Filled up and I was right with my previous statement.

Gas is $1.65 but I use 89 so $1.85, took 21.5 gallons and I did 239 miles so just a hair over 11 mpg lol. Only cost me $40 too.

I looked at the pump over when I was filling up and someone had bought 101 gallons of diesel fuel for $211, that stuff is $2.08 now.
 
Juanmiguel said:
Mine went up on this last mod install, I did the SSIC, ported SC, TB and LIM at the same time and now it's 20-22 mpg city driving and 35+ highway with a very light foot. It was doing way worse before I installed those. I still haven't figured out why the MPG improved so much with those parts.
Click to expand...

My non Intercooler 3.4 with headers got 28-30 highway. Port and polished supercharger and polished what I could easily reach in lim and got a constant 32-36 highway . . . Must be porting the blower that helps somehow
 
fisher580 said:
My non Intercooler 3.4 with headers got 28-30 highway. Port and polished supercharger and polished what I could easily reach in lim and got a constant 32-36 highway . . . Must be porting the blower that helps somehow
Click to expand...

lol, porting a blower does nothing.

You probably fixed a vacuum leak.
 


stock 1997 GTP. Get consistently 22.5 mpg as a daily driver on 30-50 m/hr roads to/from work, not many traffic lights, no highways. at fill up with 92 octane that makes my range per the DIC something around 405 miles.
 
Our 04 gt we use daily averages 19.8 consistently :( it is mostly town driving and a 45 minute drive to work 4 days a week.

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I ave 25-26 mpg with my 08 freeway commute to work 55 miles each way. 72mph. In the winter I like the remote start and a warm car so it runs 15-20 min in the driveway and parking lot each day. Drops to 21-22 mpg


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Ya sadly our commute is a very hilly back road 38 miles each way so I'm sure that kills it.

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I've found that the factory remote start on my 06 does not count towards gas mileage. I've reset everything after filling up with gas, drive home, and it stops at say 15mpg in my driveway and drops fast as it idles. Remote start it in the morning for 10 minutes and when I put the key in, it's right where it left off the day before and starts dropping again.

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Yes it does not affect the dic. But I hand calculate it every tank and reset the dic every oil change.


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