Thread: 1st Time Pontiac Owner, How to Improve MPG???

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  1. #21 Re: 1st Time Pontiac Owner, How to Improve MPG??? 
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    Quote Originally Posted by Speedy1973 View Post
    ahahah this
    I have one...
    2001 Pontiac Grand Prix GT
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  2. #22 Re: 1st Time Pontiac Owner, How to Improve MPG??? 
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    get another
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  3. #23 Re: 1st Time Pontiac Owner, How to Improve MPG??? 
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    Quote Originally Posted by Speedy1973 View Post
    get another
    Good info... thanks!
    2001 Pontiac Grand Prix GT
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  4. #24 Re: 1st Time Pontiac Owner, How to Improve MPG??? 
    Turbo is the way to go. Fivefingerdeathpunch's Avatar
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    Quote Originally Posted by Suspect View Post
    so another question then, does anyone advise against running a full synthetic oil? I was thinking of switching to Mobil 1 extended performance oil/filter and going 10k between changes, since I do all highway with this car. Do you guys run full syn? blend? is there a forum favorite oil?
    I don't trust a filter to last that long, and 10k on oil is long time. Even though they say it's do-able. I know of too many car engines that just bake the oil like no other in under 3,000 miles, crazy how fast some motors either eat it or abuse it. I see it more on chrysler motors, 3k and it's black as night.

    You can run whatever oil you wish, the standard 3k for regular oil can be pushed back to 4000ish just because when it's all highway the oil is always up to temp and takes longer to break down. The color in the oil will still be there and won't be black yet. If you did full syn then maybe 6k is alright, most filters are 5k miles for like a napa gold.

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  5. #25 Re: 1st Time Pontiac Owner, How to Improve MPG??? 
    Too broken to be broke $$ ntreftz's Avatar
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    Synthetic is a good choice but Pennzoil works well too. It doesn't break down. In actuality oil descent go bad its the contaminates that causes engine wear.
    Poly Uppers, 3.5 snout, HAI, Can Tune, STB, Autolite 606 coppers, 2.5 cattless dp
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  6. #26 Re: 1st Time Pontiac Owner, How to Improve MPG??? 
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    Quote Originally Posted by Fivefingerdeathpunch View Post
    I don't trust a filter to last that long, and 10k on oil is long time. Even though they say it's do-able. I know of too many car engines that just bake the oil like no other in under 3,000 miles, crazy how fast some motors either eat it or abuse it. I see it more on chrysler motors, 3k and it's black as night.

    You can run whatever oil you wish, the standard 3k for regular oil can be pushed back to 4000ish just because when it's all highway the oil is always up to temp and takes longer to break down. The color in the oil will still be there and won't be black yet. If you did full syn then maybe 6k is alright, most filters are 5k miles for like a napa gold.
    Okay cool thanks. I've been running mobil 1 in my st but it's direct injected and turbo so I feel like it's worth the extra expense. With the GP being n/a and not di I am thinking maybe a less expensive full syn like shell and a good filter and going 5 - 6k between changes.
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  7. #27 Re: 1st Time Pontiac Owner, How to Improve MPG??? 
    GTX Level Member SnowTh1ef's Avatar
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    My oil changes are usually whatever is on sale at oreilly's or walmart.. and then a decent filter. WIX or Bosch etc.
    04 GTP -HAI, 1.9 rockers.
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  8. #28 Re: 1st Time Pontiac Owner, How to Improve MPG??? 
    I live here. Slick2500's Avatar
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    I've been using that Mobile Super 5000 mile stuff that's usually less than $13 for the 5 quart jug.

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  9. #29 Re: 1st Time Pontiac Owner, How to Improve MPG??? 
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    Quote Originally Posted by Speedy1973 View Post
    get another
    Well... turns out you were right sir. So I ended up getting a really good deal on a 1998 one owner well maintained no accident 5 speed accord with 159k on the odometer. By good deal I mean $300. I really love the GP gt but yeah... anyone in the ny/nj/ct area looking for a mint 2001 with 84k? Hit me up.
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  10. #30 Re: 1st Time Pontiac Owner, How to Improve MPG??? 
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    8 mm wires, open cone with ram air hood, iridium plugs, sythethic oil, clean throttle body real good, clean engine real good (clean engine = less heat) added the behindg the grill inserts from a 99, tires properly inflated no excess weight in trunk. at 85 I get 23mpg if I can keep it to 70 = 28 mpg 55 = 32mpg that 55 is very rare
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  11. #31 Re: 1st Time Pontiac Owner, How to Improve MPG??? 
    One BadAzz GT Dawgg Mirraco's Avatar
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    i would drive it at 55, 1800 rpms. I do this in my 01 gt with 58k miles and ill pull over 33 mpg every time. most of time its in the 34-35 range.
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  12. #32 Re: 1st Time Pontiac Owner, How to Improve MPG??? 
    GT Level Member andesmint's Avatar
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    yeah these cars get great MPG at 55
    2000 GT Mods: HAI, 10.5mm wires, rebuilt 60k motor, ZZP stainless headers, magnaflow mufflers, fresh paint job,L-67 top swap, Ported SC...
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  13. #33 Re: 1st Time Pontiac Owner, How to Improve MPG??? 
    One BadAzz GT Dawgg Mirraco's Avatar
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    Quote Originally Posted by andesmint View Post
    yeah these cars get great MPG at 55
    i love it to be honest. i got 28 mpg on the interstate going 300 miles round trip, on the way back i was pushing 80 the whole way.
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