What car do you have? 1999 WRX
What engine is it? 99 EJ20
What mods that may affect fuel? Turboback Exhaust, UEL Headers, Heavy right foot.
Whats the transmission? 5 speed
How many k's do you get to a full tank? 250
Hom many litres to fill? 50
What fuel do you use? Caltex 98

250 to a tank? out of 50L ? jesus.

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Should have bought an STI

Yep.... cant afford an ECU to tune though

Still, just a TBE and headers should not almost double your consumption.

Adi

Car has been this bad since I got it.

oxygen sensor.

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[CENTER][SIGPIC][/SIGPIC][/CENTER]
[CENTER][COLOR=#ff0000]Built Ej207: Semi-closed RA Cases - Wiseco Forgies - Manley rods - BC 272 cams - GDA Heads - billet f/whl - Vi-pec - WbO2 - 800cc Yellow tops - TD05-20G - 409Hp ath @ 1.75bar on E85[/COLOR][/CENTER]

Guess I should have looked at my Apexi Turbo Timer before - it has 'A/F' and 'O2' readings on it. A/F is red always - just did a 1 hour run then, it was a Red LED the entire time reading about 14.7.

The O2 is like a greenish orange, but the reading was just bouncing around like crazy from 0.00 to 0.78ish.

Whats the part number for the O2 Sensor for MY99, would like to fix it before skidpan this weekend.

What car do you have? my05 STi
What engine is it? ej207
What mods that may affect fuel? TBE, semis, lightnd flyW, verso tune,
Gfb stealth bov (if its fully open, i proberly get 50+ more kms a tank compared to similar driving when its shut)
Whats the transmission, Auto/Manual? Stock 6, wanting a dog
How many k's do you get to a full tank? 150-498
What fuel do you use? 98 bp, but the new 98 goes alright.
I find the united/peak98 no better than 95 octane

What car do you have? 1990 Legacy Wagon
What engine is it? Built 2.5
What mods that may affect fuel? Ported heads, Big Cams, Custom manifolds, 1000cc injectors, Fuel system, BFO Turbo, 3.5" exhaust, MoTec M800, No 02 feedback, No decl en-leanment etc etc, Hoon driver.
Whats the transmission? 05 JDM DCCD 6MT
How many k's do you get to a full tank? 250-300
Hom many litres to fill? 45
What fuel do you use? U98

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MY99 WRX EJ2.35L 720whp 9.48@147mph
https://youtu.be/c_lYEG0_Dyo

is that so? i have one always open with the full sound, i thought if its fully closed plumb back that it would be better on economy? have you got the normal trumpet or the long whistle sound one?

550km normal mods with shell orite

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98 gf8 Rip