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post #1 of 17 (permalink) Old 06-10-2009, 05:50 AM Thread Starter
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Question Gasoline Additives

Has anyone ever added Marvel Mystery Oil to their gasoline? An old timer next door to me swears by it, but I'm afraid to try it on my '08 Cobalt
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post #2 of 17 (permalink) Old 06-10-2009, 07:02 AM
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I'm not a fan of any gas additives.

The fuel doesn't get into the engine.

Any "mixture" is a very fine spray intended to burn in the combustion chamber -- only a few additive-molecules find their way into the cylinder (how can that heal an engine?)

Just like an outboard motor that uses a mixture of gas and oil, the oil has a tendency to get into the exhaust -- over time that can affect the O2 sensor(s).

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post #3 of 17 (permalink) Old 06-10-2009, 11:42 AM
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just about every fuel has "cleaner" if you want to call it that in it anyway.

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post #4 of 17 (permalink) Old 06-10-2009, 06:53 PM
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if you had a older car i could see using it but your balt is still fairly a new car
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post #5 of 17 (permalink) Old 06-11-2009, 12:52 PM
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when that time comes to give it a nice cleaning, Seafoam.

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post #6 of 17 (permalink) Old 06-12-2009, 07:07 PM
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Quote:
Originally Posted by Red07SSNA View Post
I'm not a fan of any gas additives.

The fuel doesn't get into the engine.

Any "mixture" is a very fine spray intended to burn in the combustion chamber -- only a few additive-molecules find their way into the cylinder (how can that heal an engine?)

Just like an outboard motor that uses a mixture of gas and oil, the oil has a tendency to get into the exhaust -- over time that can affect the O2 sensor(s).
X2... Excellant Advice.. Heed it!

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post #7 of 17 (permalink) Old 06-12-2009, 10:35 PM
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Quote:
Originally Posted by Red07SSNA View Post
I'm not a fan of any gas additives.

Just like an outboard motor that uses a mixture of gas and oil, the oil has a tendency to get into the exhaust -- over time that can affect the O2 sensor(s).
Ok, I'm new here, but I'm a marine mechanic. I ahve never seen a outboard two stroke with an O2 sensor. All the outboards I work on that have an O2 sensor is a Fuel Inject 4 Stroke. Even the Carb 4 Strokes don't have an O2 Sensor.

But I do agree about the "Additive" idea.
 
post #8 of 17 (permalink) Old 06-12-2009, 11:39 PM


 
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My sis's car might be due for a seafoam it runs like shit always has it's a 2003 eclipse and it just feels powerless seriously I floor it from a stop and just yawn at how long it takes for it to redline first and second etc seriously. I wanted to put an intake on it or something lol but the airbox is weird like and I don't know how I'd be able to so I just said F it. But maybe I should try that on her car. Or are they just naturally really slow as shit? I think she has like 55,000 miles on it.
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post #9 of 17 (permalink) Old 06-13-2009, 12:01 AM
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is it just a 4? and i never could let myself sea foam my car, im afraid i'd fxck it up. someone explain to me in detail how to do it w/out messing my car up?
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post #10 of 17 (permalink) Old 06-13-2009, 12:05 AM


 
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yea 4
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