I switched over to the Haltech a couple months back and decided to have it linked to my Innovate and I am seeing incredible mileage...sometimes an additional 30-40 miles per 1/4 of a tank. Doing 80 mph, I was averaging near 30mpg. Anyone else do this with this Haltech and see similar results?

With the Utec and less boost, I was drinking gas, maybe 15 mpg city, very low 20's at best on the highway.

Maybe I am just not driving in boost enough...

 

since i added my exhaust i'm calculating about 25-26 mpg for each tank when i fill up (same station, same gas every time for consistancy).

I was barely over 20 with stock exhaust. I also switched to shell premium gas too verses whatever gas Jiffy sells.

 

me too i added crawford headers and fast intentions exhaust, and i have been getting high 20s to mid 30s.

 

Isn't this matter with who tune or how? I don't know, mine still same (I feel) even in boost or not

 

With my Greddy E-Manage Ultimate I got 31.9 for a 2 hour drive at 80mph. I took a trip last weekend, 400miles there and another 400 back, with some spirited driving I ended up with 28.9, but averaged 30.8 at 85mph for the first 400 miles. It doesnt suck at all!!

 

im in boost too much to even notice what i get... its just too much fun to even care about mpg... my lead foot is my own worst enemy / best friend..lol

 

You guys must not boost much. I can practically watch my gauge go down while I drive since I'm boosting so much LOL. On a full tank w/out boost I get near stock mileage but I only tried that once.

 

lol..i try all the time, but it only last for about 2 miles of driving..lol

 

How are you boosted guys checking mileage? Off the stock multi-meter?
If so, I thought those are no longer accurate when you swap injectors????

I too am getting good mileage with bolt-ons (24.1mpg in the city) even with 4.08 gears

 

i honestly cant believe people get 30 mpg in this car. the absolutely most babied drive 100% hwy and i may get 21 with a high 14 AFR. 600 mile cruise is crazy.

mostly i get 13-16 around town.

 

highway cruising and not boosting i get 26-27.

 

Unless you test over a full tank of gas, check mileage, and refill checking gallons added, it won't be accurate once you've modded the car. In the rain coming back from Forged I had to refrain from boosting and I got 21 mpg, AFR almost exactly 15 on both banks. (Okay I did boost twice during a dry spell ) Around the city, I can get the number down to 13 no problem. LOL.

 

I am running the Uprev product and Drink Fuel like it going out of style. Drive hard I get 200K to a tank driving easy i get 275K out of a tank.

 

no one has the Haltech hooked to the wideband?

 

I've got the Haltech dual widebands. That has nothing to do with the likely generous mpg readings you're getting though. How many miles can you go on a full tank?

 

I put in around 12-13 gallons and get around 280

On the long trip, ~9 gallons got me 265 with some gas-stomping involved

 

I hope you guys arent looking at the stock gauge / mpg . Because its not accurate once you go with bigger injectors etc.. Mine says I get 30-35mpg on the gauge.. but theres no way I get that much as my MPG have decreased a lot! once I went FI

 

I dunno how many MPG I get, but I squeeze 2 weeks out of a tankful from my 'O4 Touring Coupe, when I use cruise control. Otherwise, I get 12-13 days out of a tankful. BTW, I live 9.5 miles from work, so distance is not a problem in my specific case.

 

these super high mpg's should be well over 550 mile cruise ranges.

i'd love to see that. my econo box doesnt even get that good.

 

I've done 280 and 13 gallons before. That's about the best for me on the highway. 21 mpg or thereabouts. 9 gallons and 265 is ridiculously good.