Preventing soot deposit on tailpipes?
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Cadillac ATS General Discussion Forum Discussion, Preventing soot deposit on tailpipes? in Cadillac ATS Discussion Forums; I'm sure that most of you have noticed the soot that readily deposits on the bottom half of your car's ...
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    flycaster's Avatar
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    Preventing soot deposit on tailpipes?

    I'm sure that most of you have noticed the soot that readily deposits on the bottom half of your car's tailpipes. Although not difficult to clean off, it is an often reoccurring PITA. Has anyone figured out how to prevent these deposits?

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    Re: Preventing soot deposit on tailpipes?

    drive really fast all the time
    mrstecks, duneless and BadATS like this.

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    Re: Preventing soot deposit on tailpipes?

    Quote Originally Posted by CADILLACATS2013 View Post
    drive really fast all the time
    Tell that to my wife...

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    Re: Preventing soot deposit on tailpipes?

    Quote Originally Posted by CADILLACATS2013 View Post
    drive really fast all the time
    Doesn't work. I gun it every chance I get and I still have the deposits.

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    Re: Preventing soot deposit on tailpipes?

    I also have them. I just use a fine polish and a terry cloth towel at every wash. Might consider giving them a good waxing after the next wash to make the chrome (or polished aluminum or whatever it is) a little more slippery and easy to clean.

    I was lucky enough to have a road trip week before last from Northern VA to Pendleton, SC, pretty much exactly 500 miles. During that trip I went over the mythical 1500 miles break-in point, so when traffic and speeds permitted, I ran the car harder, in manual mode, at higher RPMs. *SEEMS* that there was less funk exiting the pipes than usual. But, driving like that all the time isn't practical.

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    carolina 2005 is offline Cadillac Owners Member
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    Re: Preventing soot deposit on tailpipes?

    I was going to my local CITGO gas station when I noticed a lot of soot on my tailpipe every time I went out. I read in a post about only using TOP TIER gas, so I went to the TOP TIER gas website and found out CITGO gas was not on the website. I am now using SHELL gasoline and I get a lot less soot on my tailpipe. Hope this helps.

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    Soot is unavoidable. It's a byproduct of burning gasoline.

    Maybe try a product designed to keep brake dust from sticking to rims.

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    Re: Preventing soot deposit on tailpipes?

    Quote Originally Posted by MoistCabbage View Post
    Soot is unavoidable. It's a byproduct of burning gasoline.

    Maybe try a product designed to keep brake dust from sticking to rims.
    Understood and a brake dust inhibitor may be worth trying. I don't have a dust inhibitor, but if one of you guys do, give it a try and let us know. But why do I see the soot most on the ATS, while I haven't noticed it on my other cars? I have tried a sealant (Zaino) on the rims, but that didn't seem to make a difference with the soot buildup. Also, all the gas stations in my area use 10% or less ethanol mixed with their 93 O. Could the ethanol be a factor?

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    Re: Preventing soot deposit on tailpipes?

    Quote Originally Posted by flycaster View Post
    I'm sure that most of you have noticed the soot that readily deposits on the bottom half of your car's tailpipes. Although not difficult to clean off, it is an often reoccurring PITA. Has anyone figured out how to prevent these deposits?
    Here's a good article regarding exhaust tip detailing:

    http://www.detailedimage.com/Ask-a-P...tip-detailing/

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    Re: Preventing soot deposit on tailpipes?

    Good article, but doesn't offer how to prevent soot buildup. So far, simply cleaning the tips routinely will keep them from becoming etched, but I bet we'd all like to prevent the buildup.

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    Re: Preventing soot deposit on tailpipes?

    the steel wool part was terrible advice for us...it will scratch our polished exhaust tips....just pre-soak (before car gets wet) with a heavy duty undiluted degreaser (so degreaser is at its thickest so its stickier and less likely to run off) for a few minutes before washing your car.....this is a good time to do yur wheels too s100 wheel cleaner is good stuff and might work for tail pipes but not sure about that will have to try it.....now that your wheels and tailpipes are gooped up rinse them clean when you first start spraying your car (prior to soaping car) having used s100 your wheels are done with the tailpipes depending on what you used they may be done too... if they still need a little help, when soaping your car give the tailpipes a soapy wipe when you're soaping your bumper (with a separate dirty jobs microfiber, not what you use on your paint) and when you rinse car (including tailpipes) your done.....washing tailpipes when you do your bumper should add almost zero time to your washing, and will keep the tailpipes easy to clean because the soot never gets time to bake on and harden

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    I have some hardened on soot. Is there a way to get that off?

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    Chrome polish would probably cut right through it

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    Re: Preventing soot deposit on tailpipes?

    Quote Originally Posted by flycaster View Post
    But why do I see the soot most on the ATS, while I haven't noticed it on my other cars? I have tried a sealant (Zaino) on the rims, but that didn't seem to make a difference with the soot buildup.
    I think the soot increases with a richer A/F ratio. With a turbo, the A/F tends to richer at WOT than an NA motor, although the DI has some major A/F differences compare with regular fuel injection.

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    Quote Originally Posted by MoistCabbage
    Chrome polish would probably cut right through it
    Cool, thanks!!

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