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Best fuel additive
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Old 24 Nov 2012, 08:20 AM   #1 (permalink)
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Best fuel additive

I noticed yesterday getting some black smog out exhaust on revving idle, not cold I might add. What's the best fuel additive to use to help clear this, may have just been clearing out the damp from the exhaust but better to be safe than sorry, thanks in advance kev
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Old 24 Nov 2012, 08:21 AM   #2 (permalink)
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Re: Best fuel additive

Forgot to say its a 2000 uk impreza classic turbo
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Old 24 Nov 2012, 09:09 PM   #3 (permalink)
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Re: Best fuel additive

not heard of black smoke, blue and white yes, but not black. any funny smell?
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Old 24 Nov 2012, 09:16 PM   #4 (permalink)
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Re: Best fuel additive

It wasn't a cloud of smoke or anything but my friend notices a black patch on floor as I pulled away after revving it.
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Old 24 Nov 2012, 09:52 PM   #5 (permalink)
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Re: Best fuel additive

probably carbon in water dripped out your zorst
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Old 24 Nov 2012, 09:54 PM   #6 (permalink)
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Re: Best fuel additive

Ok thanks but back to my earlier question, what's the best fuel additive to use like redex for instance
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Old 29 Nov 2012, 01:25 PM   #7 (permalink)
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Re: Best fuel additive

over fueling ??
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Old 29 Nov 2012, 01:30 PM   #8 (permalink)
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Re: Best fuel additive

Not that I'm aware of not running any differently
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Old 29 Nov 2012, 01:43 PM   #9 (permalink)
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Re: Best fuel additive

probley just carbon build
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