Is it just me, or is this gas mileage TOO good?

GotToyota?

Dedicated Member
Apr 6, 2005
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Texas Motor Speedway
Alright guys, I know this seems weird and maybe I'm just going crazy, but lately I've been getting about 25/26 MPG overall. This seems abit high to me, especially with what I have:

JDM 7M-GE with 50kish miles
NGK spark plugs/wires
New OEM clutch
New cat/exhaust piping
Royal Purple 10W-30 oil
4.3 open differential
W58 transmission

This is with 89 octane and occasionally getting on it. Am I just crazy here?

-Matt
 

Justin

Speakers?
Mar 31, 2005
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Spokane, Wa
we used to get about 30 on the highway in the 88.... i can't figure out why the fuck my 89 gets under 10... its pathetic but i cannot figure out why....
 

lagged

1991 1JZ
Mar 30, 2005
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new rochelle
GotToyota? said:
That's what I was getting until I got a new cat/exhaust piping and NGK plugs/wires. It really makes a difference apparently.

-Matt

sorry this is off topic, but in the picture in your sig, the car looks FUCKING GREAT!

keep it up!

on topic:

last time i checked i got around 21-23 MPG on the highway, thats with the 550/lex mod and a walbro fuel pump with an AFPR.

also, that was pretty spirited driving, i also have an NA LSD so that hurts the gas mileage alot. so your numbers dont seem to be too far off for a healthy motor.
 

GotToyota?

Dedicated Member
Apr 6, 2005
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lagged said:
sorry this is off topic, but in the picture in your sig, the car looks FUCKING GREAT!

keep it up!

on topic:

last time i checked i got around 21-23 MPG on the highway, thats with the 550/lex mod and a walbro fuel pump with an AFPR.

also, that was pretty spirited driving, i also have an NA LSD so that hurts the gas mileage alot. so your numbers dont seem to be too far off for a healthy motor.
Thanks for the comments. :)

BorHor: It's not the LSD that affects it, it's the 4.3 that makes it lower mileage.

-Matt
 

7MGTEsup

Formerly 'Down but not out'
Jun 14, 2005
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I get mid 20's out of my 89 turbo with spirited driving and 33 on the highway, my only mods are home made 2 1/2" downpipe with both cats removed and a drop in k & n filter. Oh thats imperial mpg not US
 

Selz202

More than Regular Member
May 1, 2005
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Black Diamond Wa
NA LSD is also a 4.30... its not unheard of, your car is more efficient than stock and many others have seen those numbers, its all in the way you drive.