#12317 - 03/04/05 01:48 PM
Re: oil answers
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Member
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Registered: 07/15/04
Posts: 3141
Loc: Chicago, IL
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To each his/her own with their car. Me, every 3,000 miles is perfect. Sure it says that under 'right' circumstances, you can hold off until 5k 7.5k or 10k. However, wouldn't it be better to change the oil 3k instead of using the 'saved' money on engine problems down the road. It's very easy to save money for the short term. But, I think it'll be cheaper down the road. (Insert cliche here). Just my $.02.
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DHP V1.0, Slotted rotors, S/S Brake Lines, Custom CAI, GMPP Handling Kit, KYB's, Jimmy C DP (U-Bend delete w/ Hi-flow cat), Flowmaster Super 40's, drilled 180° T-Stat, Alt. Rewire & Alt. Voltage Booster Combo, 605's, ZZP Motor Mounts
"The only difference between me and a madman is that I am NOT mad!" - Dali
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#12318 - 03/04/05 02:19 PM
Re: oil answers
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Junior Member
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Registered: 06/28/02
Posts: 12
Loc: Atlanta, GA
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I used synthetic from 100-164k in my GT (along with a K&N HP2001 filter) and I didn't have any buildup on the lifters. I changed the oil from 3k to 5k and used either Havoline or Mobile1 full synthetic. I'm planning on doing the same for my GTP.
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Jim 2003 Grand Prix GTP
Thrasher CAI, Buick rear strut tower brace, MSD ignition coils, MSD 8.5mm plug wires (with red Taylor boots), NGK TR55-IX plugs, MAP TB Spacer, MAP TB Heat Shield.
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#12320 - 03/04/05 10:53 PM
Re: oil answers
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Member
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Registered: 02/26/05
Posts: 231
Loc: Neptune Beach, FL
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That old 3K mile dictum was for cars and oils of 20+years ago. Advances in engines and oils have far surpassed the 3K mile limit. I've used Mob 1 full synthetic in my Durango since breakin period was complete and change the oil every 7-10K. It currently has 80K miles on it. Oil has been tested after every change and comes out just fine. Oddly enough, guy that tests my oil says that they normally see the most wear in the first 2-3K and very little after that. If car manufacturers would design an oil system that allowed for changing the oil filter without loosing the oil, you'd be able to run the oil for even longer periods of time. Don't count on that happening anytime soon, they would loose too much money in less oil and filters being sold. Anyone changing oil every 3K miles is wasting money, especially if you're running full synthetic.
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2000 Grand Prix GTP Daytona 2000 Dodge Durango 1995 Dodge Avenger(parting out) 1994 Ford Mustang 1989 Dodge Daytona Shelby T II(putting back together)
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#12323 - 03/05/05 08:06 AM
Re: oil answers
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Member
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Registered: 05/23/03
Posts: 8078
Loc: Austin, TX
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Originally posted by BTC13: If car manufacturers would design an oil system that allowed for changing the oil filter without loosing the oil, you'd be able to run the oil for even longer periods of time. You can only replace the filter without loosing all the oil in the car. When replacing the filter only, you loose only the oil in the filter. The oil in the pan stays there.
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Bobby Died 5/1/08, resurrected 5/15/08 ASCD SD hood, 17" Bullitts, Overkill PCM, 3.4" Pulley, NGK TR55IX, K&N 9" cone filter, JimmyC D/P, U-bend removed, Flowmaster 40 series, Hooker big bore tips with resonators, S/B brake lines, drilled/slot rotors, GMPP handling kit, KYB struts, F&R strut supports, HID's, LED's, 2.5" Air Dam, red GTP overlays on custom badges, white rear insert.
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#12324 - 03/05/05 09:35 AM
Re: oil answers
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Member
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Registered: 08/09/03
Posts: 3256
Loc: Oregon
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Originally posted by HercMan: The oil life indicator reviews your driving habits and bases your oilo life on it. When I drove my car cross country. I started off with a fresh oil change with 99% remaining. 4,500 miles later I was at 45% remaining. Now when I keep it around town. It will only last 3-4k. I'd say it's pretty accurate. Good to know. I'm at 4k miles now and I know I'm due, but since I only do highway miles, I figure it's ok. But my oil life indicator is still around 40%. I was thinking it was broken.
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#12326 - 03/05/05 03:10 PM
Re: oil answers
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Member
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Registered: 08/09/03
Posts: 3256
Loc: Oregon
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I just take it to the oil shop and give them my Mobil 1 synthetic and let them change it. I don't have the room in my slanted driveway to change my own oil.
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