When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
what engine management are you using ineedansc3? depending on how it is setup, the fuel milage guage could be incorrect.
Its still running the stock 2JZ GE OBD2 ECU, i have an AEM F/IC piggyback installed but its not tuned yet so its set at zero (stock) and isn't doing anything at all, I am still running a small amount of boost because of this (4psi) and im sure once i crank up the boost,tune it and apply my right foot a little more it will go down considerably.
Also the MPG may not be 100% correct as i stated but im sure the odometer/trip meter is
INEEDANSC3 are you sure your car inst running lean? If your still using the oem ecu tune then the car wouldn't know your running more air, so you would be using less fuel then you should be.
I just got 350 miles on my tank last time I filled up also. Difference is, I only had to put in 15 gals . Probably could've squeezed out 450+. Was almost ALL highway driving.
Oh yeah.. wheel/tire setup also makes a difference. bigger/wider the tires, less mileage you get.... Maybe thats one of my issue. I have 20's on 2254/35 tires.
INEEDANSC3 are you sure your car inst running lean? If your still using the oem ecu tune then the car wouldn't know your running more air, so you would be using less fuel then you should be.
Its not lean, its been checked with a wideband which is why im only running 4psi because thats where its in the safe zone, i tried 5psi but it started to lean out on the top end so i backed it down to 4 to be safe. the hotwire maf and OBD2 ecu will compensate for that much without tuning, after that is when you need to add fuel to it. Also when not under boost it makes no difference, the maf reads the air going into the engine just like stock, im sure it uses more fuel under boost but ive had boosted cars before so i dont feel i have to be in boost every time i drive it like most boost noobs do.
But enough about my car, id like to see some other people that can get 400-450 out of a tank.
Damn im in nyc and i fill up to 16 gallons and i can only get 245 city/hwy and im completely stock!! Anyone have any idea how i can get better mileage?? btw when im driving around im doing no more than 40mph except on the hwy which i dont take it passed 60
Did you switch your diff from 4.08 to something else, cause i can get just around 300mpg out my 1jz. I would love to get 360-400mpg. What gas do you use, and have you done a gas treatment?
I drove my 1JZGTE swapped T78 SC300 back from vegas in 108 degree heat at night. Filled it to the top in vegas, when i arrived in my driveway I had gone 325 miles. There was more than a quarter tank on arrival.
Thats with a 1jz engine, t78 turbo, 800cc injectors, 2 walbro 255lph pumps.
I never went over 77mph the whole way. I never once hit boost on the way home. I figure it would have been close to 430 miles when empty but with the twin fuel pumps i dont let it get to empty.
I get about 19.19 mpg with City / Highway 25 / 75. So that would be about 395 Miles Per Tank. I am using a W58 with the (Automatic) 4:27 Final Drive . Gas miles could be better. If I used the W58 with the (Manual) 4.08 Final Drive. All in all gas miles are about the same as before the engine swap because I had the same transmission Combo
i think my car needs an 02 sensor, some mornings my car will run 11/12 afr all the way to work then sometimes 15, so im sure i can get alot more gas milage out of my car. a fuel mangment would also help alot. im on supra rims,and that was on about 18 gallons or so. i didnt drive till the light came on
