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#1 |
Gimme a Drink!
Join Date: Dec 2002
Location: NYC
Posts: 694
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![]() My 90GT usually needs a quart of oil at about 2500 miles after an oil change, more now since the rear main is drooling. Just curious, on average, how much oil, if any, do you have to add in between 3000 mile oil changes?
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1990 GT,stock T-5,K&N w/o air silencer,March underdrives,FMS wires,timing@14*,PA Perf 130amp alt,Steeda Tri-Ax Shifter,Steeda adj quadrant/clutch cable/firewall adj,Centerforce II clutch,o/r x-pipe,Magnaflow SS catback,g-load brace, subframes,Bilstein struts/shocks,Autometer gauges, 136k and running strong! |
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#2 |
Registered Member
Join Date: Mar 2001
Location: Southern Maryland
Posts: 471
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![]() Never have to add any on my '89 5.0 with 72,000 miles.
Never have to add any on my '94 4.9 van with 79,000 miles.
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'89 LX 5.0 - 5 speed. Original Owner '94 E-150 4.9 Hi-Top Conversion Van '06 Mustang V-6, 5 speed Last edited by Maroon 5.0 LX; 12-31-2003 at 07:32 AM.. |
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#3 |
Mustangs
Join Date: Jul 2000
Posts: 1,938
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![]() My GT takes about a quart every 1500-2000 depending on the oil. My Fairmont uses oil as an undercoating so 1 quart every 1000 miles. The Jeep (which has no revelance on a ford site
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2005 Suzuki Hayabusa GSX1300-R 1980 Ford Thunderbird - 255 V8 ported heads, 5.0L ported stock headers, O.R. H-pipe and Flowmaster 2-chambers, dual roller timing chain hi-po Mack Truck hood emblem ![]() 1985 Mustang GT 5.0L T5, F-303, GT40p, headers, off-road h, flowmasters, MSD stuff, etc. Sold 02/06/04 ![]() 1989 Mustang GT ET: 13.304@102.29 mph (5-24-03) Sold - 1998 Mustang Cobra coupe, 1/4 mile - street tires: 13.843@103.41 (bone stock) |
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#4 |
Gimme a Drink!
Join Date: Dec 2002
Location: NYC
Posts: 694
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![]() back up to the top for more opinions, thanks everyone
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1990 GT,stock T-5,K&N w/o air silencer,March underdrives,FMS wires,timing@14*,PA Perf 130amp alt,Steeda Tri-Ax Shifter,Steeda adj quadrant/clutch cable/firewall adj,Centerforce II clutch,o/r x-pipe,Magnaflow SS catback,g-load brace, subframes,Bilstein struts/shocks,Autometer gauges, 136k and running strong! |
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#5 |
Registered Member
Join Date: Sep 1998
Location: IL
Posts: 1,155
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![]() It's not uncommon for a stock 5.0L engine to use 1/2 to 1 quart of oil between 3000 mile changes. Some use nearly no oil. I wouldn't lose sleep over it. The engine can still run fine for 200,000 miles. I think there are probably two reasons why some use a quart and some use none:
1) luck of the draw - a side effect of high volume production 2) how the engine was broken in - how well the rings seated This is just an observation, I have no imperical data to back it up, but I have noticed that the factory 5.0L engines with forged pistons and low tension oil ring packages tend to use more oil than the hypereutectic piston engines of 1992 - 1995. Anyone else notice this?
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Craig Supercharged 93 GT "I drive way too fast to worry about cholesterol!" Then I went to the doctor.... whoa 312! Hello Lipitor |
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#6 |
Registered Member
Join Date: Feb 2002
Location: Jacksonville, FL
Posts: 706
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![]() Yep,
One quart every 2 weeks. Number 5 has a bad valve seal (I hope) or a bad valve guide (I pray not). Unfortunately, I have been driving it like this for almost a year and almost certainly am jacking things up. Oh yeah, I have to change number 5 plug every month 'cause it's covered in oil and fouls. I hate to admit it, but I really haven't had the time to pull the head to have a look-see. Can't afford to have the car down for that long, plus you pull one, you have to pull the other. Sorry this is so long.
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1988 GT Convertible 331 10:1 TW heads, GT-40 intake, MSD, TRW flattops, B Cam w/ 1.7's, MAC exhaust, 24's, 70 TB, 76 MAF, 3.73's, Pro 5.0, Koni's, Anderson PMS, Wideband 02, yatta, yatta... One week with new motor, two speeding tickets...joy |
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#7 |
Registered Member
Join Date: Nov 2003
Location: Rockford
Posts: 596
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![]() Mine took a qt. every 3,000 miles. (when stock)
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