Thread: Gasoline question.....settle this once and for all!!

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  1. #1 Gasoline question.....settle this once and for all!! 
    GTX Level Member 98L36's Avatar
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    Friend and I were having a discussion about gasoline and he told me that during the winter months he runs premium in his F-150 (it has the 4.2L V6.....he thinks it's a bauce status truck but that's another topic). I basically told him that since he isn't using it for anything other than driving back and forth to school, and since he doesn't have any mods or anything, he's an idiot for paying for premium. He swears up and down that premium is a necessity in the winter and doesn't believe me when I said that they make winter blend gas for a reason.

    So, what's the scoop on this? If he's wrong I swear I'll show him this thread....maybe it will shut his Ford mouth up.
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  2. #2 Re: Gasoline question.....settle this once and for all!! 
    DUI BABY Bio248's Avatar
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    not a necessity. winter mix is a real thing, but it wouldnt affect something driven normally like a normal person.
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  3. #3 Re: Gasoline question.....settle this once and for all!! 
    Perma-Banned! JK LOL Explicit_Spade's Avatar
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    What is reccomended in his owners manual? That is the only real answer to this qurestion.
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  4. #4 Re: Gasoline question.....settle this once and for all!! 
    GXP Level Member Tuner-Extraordinaire's Avatar
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    That motor could run on colorado piss water gas (85 octane) at sea level. Your friend's a putz.
    Whine with your Cheese?
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  5. #5 Re: Gasoline question.....settle this once and for all!! 
    GXP Level Member 02 WS6 TA's Avatar
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    Bauce. F150. LMFAO.
    I may say rude things but learn to take a joke. The internet is funny when you can laugh.
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  6. #6 Re: Gasoline question.....settle this once and for all!! 
    GTX Level Member 98L36's Avatar
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    Quote Originally Posted by 02 WS6 TA View Post
    Bauce. F150. LMFAO.
    This.

    He's told me before that he thinks his F-150 could take my "Grand Putz" (as he calls it). Now I know my GP ain't that fast but I'd sure as heck hope I could take a 4.2L F-150.....
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  7. #7 Re: Gasoline question.....settle this once and for all!! 
    GT Level Member 98GPGT2D's Avatar
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    All your buddy is doing is hurting his motor.

    If the truck is not designed to run on "the good stuff", its not going to run right. Vehicles that are designed to run on the good stuff typically have a higher compression ratio and tighter tolerances, and are typically geared to high horse power and performance. If the vehicle is not designed to run on it, it can not completely and efficiently burn the air/fuel charge. This means that your converter has to work double time, and you risk plugging up your converter if it becomes over loaded with this unburnt fuel.

    I used to be a certified emissions tech here in Southwestern Ontario.. People would bring their car in for an emissions test, and it would fail. They would take it, throw an air filter in it, fill it with premium, take it for a boot to get it hot, and bring it back. I would put it on the dyno and re-test it, only to have it fail with MORE emissions than their previous test, mainly HC's (Hydrocarbons), or in simpler terms, raw fuel.


    Just sayin..


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  8. #8 Re: Gasoline question.....settle this once and for all!! 
    LaBarge Supercharged sseilmnop's Avatar
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    In winter you could run lower octane gas because the intake air is colder. Octane is the measure gasolines tendency to auto ignite. The factors that effect auto ignition is compression ratio and air temperature. High octane fuel does not contain more energy but lets you compress it more so that you can get more energy out of the fuel.

    If the engine was designed for 87 octane higher octane does nothing.

    Look at Wikipedia
    Octane rating - Wikipedia, the free encyclopedia

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  9. #9 Re: Gasoline question.....settle this once and for all!! 
    GXP Level Member txslow6's Avatar
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    LOL more power to him if he wants to throw his money in the tank. He's a gas companies favorite customer.
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  10. #10 Re: Gasoline question.....settle this once and for all!! 
    #Billsnamechangessuck MrPoopyButthole's Avatar
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    Pee in your gas tank, it will give you better mileage

    On the contrary, the Saab is designed to take any grade 87, 89, 91, or 93. It will adjust itself for each level of octane.

    Cry havoc and let slip the dogs of war.
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  11. #11 Re: Gasoline question.....settle this once and for all!! 
    GrandPrix Junkie jteske88's Avatar
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    well isnt your saab speacial.....lol
    Quote Originally Posted by Drunkie View Post
    Pee in your gas tank, it will give you better mileage

    On the contrary, the Saab is designed to take any grade 87, 89, 91, or 93. It will adjust itself for each level of octane.
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  12. #12 Re: Gasoline question.....settle this once and for all!! 
    Turbo is the way to go. BillBoost37's Avatar
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    Why do you think the Giant Pile (you like that one?) has two octane tables? Low and high. So that when you put in crap..it realizes how much knock it's seeing and goes to the low spark table to keep from seeing the kr.

    the Saab isn't special...cept for that mushroom stamp it got this weekend when he was fetching the GP key. (I stamped both Dave...Nick paid me to do it)
    I drink..so consider that when reading my posts.

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  13. #13 Re: Gasoline question.....settle this once and for all!! 
    GTX Level Member 98L36's Avatar
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    Interesting Bill, I never realized that these 4 wheeled machines had 2 different octane tables.
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  14. #14 Re: Gasoline question.....settle this once and for all!! 
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    Quote Originally Posted by 98GPGT2D View Post
    All your buddy is doing is hurting his motor.

    If the truck is not designed to run on "the good stuff", its not going to run right. Vehicles that are designed to run on the good stuff typically have a higher compression ratio and tighter tolerances, and are typically geared to high horse power and performance. If the vehicle is not designed to run on it, it can not completely and efficiently burn the air/fuel charge. This means that your converter has to work double time, and you risk plugging up your converter if it becomes over loaded with this unburnt fuel.

    I used to be a certified emissions tech here in Southwestern Ontario.. People would bring their car in for an emissions test, and it would fail. They would take it, throw an air filter in it, fill it with premium, take it for a boot to get it hot, and bring it back. I would put it on the dyno and re-test it, only to have it fail with MORE emissions than their previous test, mainly HC's (Hydrocarbons), or in simpler terms, raw fuel.


    Just sayin..


    Jay
    Your o2 sensors will adjust something if the AFR is off and it's not being burned completely. Also MOST fuel injected/computer controlled cars adjust the timing tables depending on the octane of fuel they're using. He's getting gains out of using 93 but he's doing it for the wrong reasons... he also sounds like he doesn't need those gains either.
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  15. #15 Re: Gasoline question.....settle this once and for all!! 
    GXP Level Member Tuner-Extraordinaire's Avatar
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    Ah...duh.
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  16. #16 Re: Gasoline question.....settle this once and for all!! 
    Midget Amputee Fortehluls's Avatar
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    Tell him your gp could pull his truck around
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  17. #17 Re: Gasoline question.....settle this once and for all!! 
    SE Level Member Mater's Avatar
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    normaly i would say not to use the higher grade fuel as he is just thoughing away money.. but it's a 4.2 he already throw away money buying that POS engine

    has he blew the head gaskets yet? lol the 3.8/4.2 v6 was one the worst engines for ever made (i would say the 6.0 but that was navistar and not ford) i freaking hate when they come in at work hate them i am lucky i am a diesel tech


    if any thing all he is doing is loosing power. the stock 4.2 computers do not comand that much timing and using a higher octane is also a lower volitility fuelt hat has less energy in it. his truck would get better MPG and power with 87 fuel do to it's more volitility and enrgy it has in it
    But why make it an SE?



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  18. #18 Re: Gasoline question.....settle this once and for all!! 
    SE Level Member Mater's Avatar
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    Quote Originally Posted by 98L36 View Post
    This.

    He's told me before that he thinks his F-150 could take my "Grand Putz" (as he calls it). Now I know my GP ain't that fast but I'd sure as heck hope I could take a 4.2L F-150.....
    an air cooled VW bug could take out a 4.2 any thing
    But why make it an SE?



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  19. #19 Re: Gasoline question.....settle this once and for all!! 
    GT Level Member Ravenwald's Avatar
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    He already threw his money away on a Ford. Why not take it a step further?
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