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petrol M.P.G ???????

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Old 13 October 2004, 10:48 PM
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dob
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Question petrol M.P.G ???????

i've just fitted a costom de-cat down pipe to my95 uk which as a magnex centre & back box what kind of MPG should I get because it feels like someone or something is nicking my juice
Old 13 October 2004, 11:09 PM
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ukdave
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Originally Posted by dob
i've just fitted a costom de-cat down pipe to my95 uk which as a magnex centre & back box what kind of MPG should I get because it feels like someone or something is nicking my juice
Hi mate ive got de-cat d/pipe and centre on a my/00 and i only get around 180 miles to a tank of fuel and i dont thrash it all the time probably 50/50 hard/steady driving asked a few other people and it seems about right,i dont wanna know what its doin to the gallon i`ll only get depressed!!!!
Old 14 October 2004, 08:51 AM
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StiX
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MY95 WRX, full de-cat - about 200-220 per tank mainly around town and a-roads. 20ish mpg.
Old 14 October 2004, 09:49 AM
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tmo
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Strange this !! i have a MY99 will full de-cat and i get around 27 - 30 mpg, this involves a lot of motorway work.

Filled up this morning and it took 52.5 ltrs @ 324 miles.
Old 14 October 2004, 11:21 AM
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MarksWRX
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324 miles on a single tank have you got a problem with your right foot? or maybe your gas pedal?
i'm happy if i get 200 miles from a tank
Old 14 October 2004, 12:57 PM
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Jolly Green Monster
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Uk gearbox helps..

I can get 320miles from a tank taking it easy on a uk box, with Walbro pump, 550injectors, Link, fmic and running 1.3bar on a TD05..

can go down to less than 200 if I push it the whole time though
Old 14 October 2004, 09:08 PM
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MarksWRX
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Originally Posted by Jolly Green Monster
can go down to less than 200 if I push it the whole time though
That could be the problem
Old 14 October 2004, 09:56 PM
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Lightbulb

Over 36,000 miles, my MY99 (downpipe de-cat, but centre section still in place) averaged 16.7mpg,this was split between a shortish daily commute (mostly crawlingish speeds) and the rest fun, but no trackdays.

Decided to work it out one day as all my petrol receipts had been kept.

Combined with a new short block, gearbox, clutch, 3 MAFs, minor mods, springs, hubs, discs, turbo, front pads (every service), 32 tyres etc etc... it cost me 26,500 quid to run over the 2 years, Always wished I'd never worked that one out

Nothing was under warranty, as bought the car ex-fleet, cheapish, at 2 yrs old with 60k miles and thought I'd be a smart **** and not bother extending the warranty
Old 15 October 2004, 08:26 AM
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Jolly Green Monster
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32 tyres in 36,000miles?? pmsl..
Old 15 October 2004, 11:49 AM
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tmo
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Originally Posted by MarksWRX
324 miles on a single tank have you got a problem with your right foot? or maybe your gas pedal?
i'm happy if i get 200 miles from a tank
No mate just a balance between long distance commute and "spirited" weekend driving.
Don't have to drive flat all the time
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