KL-ZE Fuel economy in MX3

Gro Harlem · Post by **Gro Harlem** » June 11th, 2003, 4:16 pm

What kind of fuel economy can I expect with a KLZE in my 93 GS 5spd? What have you guys with this swap been getting?

MrMX3 · Post by **MrMX3** » June 11th, 2003, 10:57 pm

I got 10.4mpg last summer. It was HORRIBLE. But this year I got new plugs, wires, o2 sensors, and the proper ecu so hopefully that'll fix that!

mitmaks · Post by **mitmaks** » June 11th, 2003, 11:33 pm

10.4?????????!!!!! you better be pushing around 300whp with that kind of mileage. even dodge charger gets more than that and its heavy V8 beast.

Zoso124 · Post by **Zoso124** » June 11th, 2003, 11:45 pm

As odd as it may sound most MX-3'ers who do the swap tend to get better gas mileage then they did with the 1.8L.

C-MX-DA3 · Post by **C-MX-DA3** » June 12th, 2003, 12:24 am

i think i only get 140 miles full tank, which is horrible, maybe i need to get the klze ecu. anyone selling it? i need one right away.

Buff1110 · Post by **Buff1110** » June 12th, 2003, 12:51 am

rite now im getting like 200miles b4 the lite comes on. but i get on it all the time and shift hard. im running ze,ze ecu, clogged cat, leaky headers.

lazzyie · Post by **lazzyie** » June 12th, 2003, 2:02 am

Ecu makes all the difference man. Went from 15 to 20 mpg in town

. I sell ecus

killerpickle · Post by **killerpickle** » June 12th, 2003, 2:34 am

i get 27 mpg highway consistantly and accurately. 440 km a tank +2.5 a spec ecu and 2.5 vaf.i got 16 with the 2.5 ecu and 1.8 vaf

Gro Harlem · Post by **Gro Harlem** » June 12th, 2003, 4:43 am

yeah i read that if you use the k8 ecu it gets ****ty mileage.I plan on running a KLZE with k31 cams, curved neck IM, 10:1 compression and the KLZE ecu. I deliver pizzas so i don't want hte mileage to be too horrible, but i don't think it would be that bad since the motor is moving a less heavy car than it was designed for.The stock ratings for the KLZE are 21/26.....i'd be happy getting low 20's city and I don't drive hard when i'm normally driving...
Thanks for your input!

Gro Harlem · Post by **Gro Harlem** » June 12th, 2003, 4:44 am

BTW: Layzzie: IM me when you see me online..need to talk about the motor and ecu you are getting me. I need to know a general timeframe b/c i think i alrady sold my GTR motor

C-MX-DA3 · Post by **C-MX-DA3** » June 12th, 2003, 5:44 pm

did anyone ever try running with the k8 ecu and 1.8 vaf. im using the a spec 2.5 ecu from probe gt with the 1.8 vaf, maybe this is what causing the car to burn so much gas. any help and opinion would be great. thanks

Nd4SpdSe · Post by **Nd4SpdSe** » June 12th, 2003, 7:02 pm

whats involved in changing the 1.8vaf to a 2.5?

C-MX-DA3 · Post by **C-MX-DA3** » June 12th, 2003, 10:47 pm

this really sucks i just put $10 gas and its already empty, i only ran 50 miles. does anyone else have this problem with there ze.

lazzyie · Post by **lazzyie** » June 12th, 2003, 11:58 pm

<blockquote>quote:<hr>Originally posted by C-MX-DA3:
did anyone ever try running with the k8 ecu and 1.8 vaf. im using the a spec 2.5 ecu from probe gt with the 1.8 vaf, maybe this is what causing the car to burn so much gas. any help and opinion would be great. thanks<hr></blockquote>That is your problem get a 2.5 liter air sensor, KL-02 is the correct number I think.

Cage · Post by **Cage** » June 15th, 2003, 5:03 pm

I have a KLZE W/ J-spec ECU, 1.8 VAF. I get 254-266 Miles a tank, Gas Light on to Gas Light on with 93 octane gas, all highway @ 70 miles per hour. New O2's Mx-3 5 speed.Cage

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KL-ZE Fuel economy in MX3

KL-ZE Fuel economy in MX3

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