Thread: Change oil at what %?

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  1. #21 Re: Change oil at what %? 
    Donating Users Liquifire's Avatar
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    the long life amsoil and filter are $72 per oil change.....That is expensive if you do that four times per year.
    98 GTP Coupe- 180* T-stat, GMPP Front Sway Bar, Dual Aeroforce Interceptor's, TDC FWI, TDC Taylor 10.4's, ZZP SS Plog, ZZP 3" SS catted DP, ZZP MPS W/3.4, AL104's gapped @.055, 3800Perf. PCM
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  2. #22 Re: Change oil at what %? 
    GTX Level Member 97gtsc's Avatar
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    Quote Originally Posted by Liquifire View Post
    the long life amsoil and filter are $72 per oil change.....That is expensive if you do that four times per year.
    X2^^
    I use rotella t synthetic and the larger wix filter from a blazer/jimmy
    changed every 5k. I also use a filtermag too
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  3. #23 Re: Change oil at what %? 
    I live here. GTPJOE90's Avatar
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    i change mine at 25% left
    hogan 3inch DP u bend delete ,180*tstat, autolite 104s, LED interior, 4" FWI, 2000watt system, bullitt rims, zzp pistons, pems, alt rewire, thrush muffs, 3.4 zzp mps, transgo shift kit, triple edge performance trans. autometer triple pod :SOON: urlosn HPT PCM tune, HEADERS, 1.9's
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  4. #24 Re: Change oil at what %? 
    That Loud Guy 1LoudGrandPrix's Avatar
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    Quote Originally Posted by bluegtp91 View Post
    Every 3,000ish regardless of synthetic or not...
    ditto never went over 3500 yet and never plan to
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  5. #25 Re: Change oil at what %? 
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    I go 4000 with synthetic. I don't rely on the oil meter. My fuel mileage and gallons used is always off so I am sure my oil meter is too. No since in relying on it when it is cheap to change the oil.
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  6. #26 Re: Change oil at what %? 
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    I use the cheapest oil auto zone is selling at the time of the change. every 3k. if you rely or even think of relying on that oil meter you are an idiot (sorry OP)
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  7. #27 Re: Change oil at what %? 
    GT Level Member Vegas~Blown's Avatar
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    I start thinking about it 20% and get it done no later than 10%. That's about 6 to 7K miles over 4 to 6 months.

    and yes, I rely on the olm.
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  8. #28 Re: Change oil at what %? 
    GXP Level Member SlowM90's Avatar
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    I use Mob 1 syn 5/30 and I always try to change mine at 3k mark and have went to 3500.My oil % at that time is around 50%-45% mark. I was always told its cheaper to change your oil then a motor!
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  9. #29 Re: Change oil at what %? 
    Needs A Turbo BoostJunki3's Avatar
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    i do mobil 1 synthetic and a ac delco oil filter or mobil one filter every 3-4k

    00 Silvermist GTP
    E85|GenV|3.2|#65's|1.95 YT RR w/105's|Pacesetters|N*/LQ4|PRJ rewire/255lph
    13.2 @ 104. No Cam No IC.
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  10. #30 Re: Change oil at what %? 
    SE Level Member 07CrimsonGT's Avatar
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    All:
    Agreed that we should do what we are comfortable with in the long run.

    This being said, it is very true that both oil and engine technology have grown in leaps and bounds over the last 20 years. Having been around vehicles that see extended idling time as well as extreme driving throughout their lives, the big thing is to use a good quality oil and fillter. I would never run "just what is on sale" unless the vehicle in question burns oil like a sieve, or is a beater.

    As long as you follow the intervals in the owners manual, your engine should live a long and happy life. I like the Mobil 1 because of the cold winters we have here in Ohio. Motorcraft makes a very nice semi-synthetic oil for a good price.

    I drive around 10k miles yearly, and was doing my oil /filter every 4mo/4k. If BMW,Corvette, and Mercedes, etc say you can run good oil as long as your monitor tells you, then it is ok.

    Oil and filters are cheaper than a motor, but think of the mods or beer, etc you can buy with the money saved. The overall effect on the environment is positive as well.

    FWIW......YMMV........Don
    Last edited by 07CrimsonGT; 10-05-2009 at 09:31 PM.
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  11. #31 Re: Change oil at what %? 
    SE Level Member nault31's Avatar
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    I run Mobil1 10W-30 with a Purolator PL10111 filter, for 2 years I've changed the oil when the monitor reached 0, about 6500 miles, comes out with a brown color.

    Considering my finger was dirtier than my valve cover when I took it off, absolutely no sludge, I say my way is working just fine.

    Pics here:
    http://i37.photobucket.com/albums/e9...703_131521.jpg
    http://i37.photobucket.com/albums/e9...703_133659.jpg
    http://i37.photobucket.com/albums/e9...703_145934.jpg

    ^^I realize a stock L36 is not as fast as the sticker implies, but this sticker has worked and it is still a hell of a lot of fun to drive considering it's a grocery sedan.
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  12. #32 Re: Change oil at what %? 
    Moderator dsmuts's Avatar
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    i wouldn't go by the monitor. My buddy that works at a chevy dealership said that he had a guy come in for an oil change because his change oil light came on and it had been 20,000 miles since his last oil change!!
    98 GTP modded 1.9's, sd headers, 3.4", zzp 1.0 230K miles scrapped.
    04 Comp G zzp stb's, UMI ta's, Speedbuilt sways, bully flo heads, XP, zzp headers, fsic, thrasher shift kit, 60#, 2.6" corsa 2.5", Inferno hood
    01 gt z7 turbo tep trans zzp motor
    08 g8 gt cam exhaust 11.87@118
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  13. #33 Re: Change oil at what %? 
    GTX Level Member QUICKSILVER462's Avatar
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    According to the service records recorded in the owner manual of my car, the oil was changed in intervals between 4-7k miles, with 6k being the average miles between oil changes, since the car was new. The brand of oil is not recorded, I assume it is just regular stuff.
    The biggest engine repair that has been done are the LIM gaskets, and I did those
    at 143k.
    Now at 160k, it still run silky smooth, no noises, no major leaks, hauls ass,
    (crossed fingers), and uses about 8oz between changes (I change at 3k w/filter)
    and its not all that black either.
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  14. #34 Re: Change oil at what %? 
    Donating Users Taz Magister's Avatar
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    you change oil when its dirty...
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  15. #35 Re: Change oil at what %? 
    Killa Bee Scottydoggs's Avatar
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    i always change oil at 3000 to 3500 miles, i don't use the dic, my 03 truck's wouldn't tell you its time till after 5000, miles.

    i just changed the oil in the regal after only 1500 miles and it was dirty already, all black and chit, and stinky. and i had lost a few quarts along the way with a oil pressure sensor leaking. so it already had 1/2 a change before the change.

    so my guess is the last owners of this car didn't know what a oil change was.

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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