North American Turbocoupe Organization



Mobil Clean 5000
Ryan H Offline
Posting Freak
#1
At around 90K I put in some Mobil Clean 5000 and a NAPA Gold filter. I used the 5000 stuff because it was cheaper, but I couldn't find anywhere on the bottle that said it was synthetic.. I just figured it had to be to last 5000. Well now I have 91,500 on the car and the oil was getting brown/black. It doesn't normally turn that color, not even after 3,000 miles. Its almost always perfectly clean. I dumped it today and put in some Mobil 1 and a Motorcraft FL 300 filter. Anyone else have any feedback on the "Clean" 5000 stuff?

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Ryan Harris

88 TC, 5 spd, B&M Ripper Shifter, SPEC Stage 3, Walbro 190 LPH, Kirban, K&N, 3.73 rear, KS disconnected, BCS bypassed
'88 TC Smile Walbro 255HP, Stinger FMIC, PIT BOV, Pro 5.0, Kirban, RR cam, FRPP strut tower brace, T3
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tps87turbo Offline
Posting Freak
#2
I'm sure the Clean 5000 is just regular oil with addatives to extend the life to 5000 miles. I suspedt the Mobil 7500 is a syn-blend, while the Mobil 15,000 is the original Mobil 1 with addatives to extend its life. Personally, I would use the Mobil 15,000 & still change it at the 5K mark.

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Tony Sceia -

HIS Red 88 TC http://www.turbotbird.com/showroom/TySa_88tc.html

HERS - Blue 87 TC, fully loaded with every option, Work in Progress
87 Gray TC - Parts Car

Idols are JoeCool, Pete D, Glenn, & RDOG for the work they've done on their cars.
Tony Sceia -

HIS Red 88 TC
http://turbotbird.com/showroom/data_r-z/...a_88tc.php
HERS - Blue 87 TC, fully loaded with every option, Work in Progress
87 Gray TC Parts Car - Gave to BJL and is now his daily driver
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JohnL Offline
Senior Member
#3
And you'd be throwing your money away. www.bobistheoilguy.com
John Lewis
88 TC, 87 XR, 84 SVO
Currently deciding which is worth my time.
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Jeff K Offline
Administrator
#4
Tony is correct..... the "clean 5000" is just regular dyno oil.

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Jeff Korn

88 Turbo Coupe: Intake and exhaust mods, T3 turbo at 23 psi, forced air intercooler, water injection, bypass valve, Ranger roller cam, subframes, etc., etc.. // 86 Tbird 5.0 (original owner): intake, exhaust, valvetrain mods, 100 HP nitrous, ignition, gears, suspension, etc., etc.... // 91 Escort: Bone stock winter car // 04 Taurus Duratec (wifes car) // 91 Topaz (daughters first car)
Jeff Korn

88 Turbo Coupe: Intake and exhaust mods, T3 turbo at 24 psi, forced air IC, water injection, BPV, Ranger cam, subframes, etc., etc.
86 Tbird 5.0 (original owner): intake, exhaust, valvetrain mods, 100 HP N2O, ignition, gears, suspension, etc., etc.
05 Taurus SEL Duratec daily driver
04 Taurus Duratec (wifes car)
02 Pontiac Grand Prix GT
95 Taurus GL Vulcan winter beater
67 Honda 450 Super Sport - completely customized
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JohnL Offline
Senior Member
#5
Mobil is just finally being smart and dispelling the 3000 mile oil change, unfortunately they are going to make a few bucks off of it while it lasts, and keep the public dumb about it by claiming it's something special.
John Lewis
88 TC, 87 XR, 84 SVO
Currently deciding which is worth my time.
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TurboCoupe50 Offline
Posting Freak
#6
Quote:Originally posted by JohnL:
Mobil is just finally being smart and dispelling the 3000 mile oil change, unfortunately they are going to make a few bucks off of it while it lasts, and keep the public dumb about it by claiming it's something special.

Maybe so, but the Clean 5000 has some extra additives(extreme pressure agents) that also lets it pass diesel engine certification. Most of the standard Dino oils can't do that these days, since the EPA mandated the amount of zinc had to be significantly reduced or deleted(to hopefully make the catalytic converters last the 100K mi warrenty period).

I'm using the high milage versions in the wifes Grand Marquis and the old '69 Cobra Jet(both have 107K). The Lightning will be getting it soon, while the Bird is going to get the std 5000 next week.

As far as it or any oil gettig brown/black, Hell it's supposed to.. A good oil will keep the microscopic particles in supension so they can be drained out with the oil. Oil that is staying "clean" is likely sludging up your engine.

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1988 Turbo Coupe ... Bright Red
1988 Turbo Coupe ... Dk Blue(parts car)
1987 Turbo Coupe... Silver(sold)
1988 Turbo Coupe ... White, 5.0 with Trick Flow heads
1988 Thunderbird... Lt Blue base model 5.0 Windsor Jr heads
1969 Fairlane Cobra ... 428 CJ, 4 speed
1993 F150 Lightning ... Black.. #249 of 5276
1993 Aerostar... (To be sold)
1993 Grand Marquis...

[This message has been edited by TurboCoupe50 (edited 10-14-2005).]
1988 Turbo Coupe331 AOD

1972 Comet GT

1969 Fairlane Cobra 428CJ 4-Speed
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jmthunderbirdturbo Offline
Posting Freak
#7
i like turbocoupe50s response the best, brown is good. brown isnt the oil going bad, its the oil gathering up crap to carry it out of the motor. if the mobil clean is gettin that stuff out, may want to keep it in it, althought id go with the 15000 mile stuff. its seems the detergent in the mobil clean 5000 is getting sludge out of your motor that the mobil 1 isnt disolving...

JMHO

moller

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1987 5.0 sport coupe-msd ignition blaster coil, 1 7/8 heddmen headers, K&N cold air intake, new AOD, custom shifter, and PONY wheels.
1987 tc, goldie, mods: mandrel bent downpipe to cat with turn down, gillis valve, 155 lph pump, kirban afpr, 100 psi fuel guage, handmade pvc cold air intake, optima. 15.457 @89.22(special thanks to turbocoupeturbo)(firedoctor)
1988 mazda truck, 431000 mi.
Buisness partner in Aerobird Motorsports.
APRIL 2018 - LOOKING FOR A NEW CAR. PM me if you have an 87-88 roller or cheap TF for sale.
1988 TC 5MT-Blue/Blue check-off car. resto-project.
2006 Honda Odyssey 5AT, baby-mobile.
2013 F-150, 5.0, 6AT, 4x4, snow white paint.
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Ryan H Offline
Posting Freak
#8
Very good point guys, noted. Next oil change I'll flush and put the 5000 back in it and see what happens [Image: smile.gif]

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Ryan Harris

88 TC, 5 spd, B&M Ripper Shifter, SPEC Stage 3, Walbro 190 LPH, Kirban, K&N, 3.73 rear, KS disconnected, BCS bypassed
'88 TC Smile Walbro 255HP, Stinger FMIC, PIT BOV, Pro 5.0, Kirban, RR cam, FRPP strut tower brace, T3
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V6TBird87 Offline
Posting Freak
#9
wow, am i the only one that still changes my oil at 3000?

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1987 Thunderbird 3.8
1987 Turbo Coupe, 5-speed

www.foxthunderbirds.fast-go.com

aka Tbird232ci
1987 Thunderbird
1988 Turbo Coupe, 5-speed

aka Tbird232ci
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tps87turbo Offline
Posting Freak
#10
Quote:Originally posted by V6TBird87:
wow, am i the only one that still changes my oil at 3000?


No.. I do it too, just with Mobil 1. I only put about 3000 miles a year, so its the lesser of two evils - either every year or 5,000 miles - whichever comes 1st.


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Tony Sceia -

HIS Red 88 TC http://www.turbotbird.com/showroom/TySa_88tc.html

HERS - Blue 87 TC, fully loaded with every option, Work in Progress
87 Gray TC - Parts Car

Idols are JoeCool, Pete D, Glenn, & RDOG for the work they've done on their cars.
Tony Sceia -

HIS Red 88 TC
http://turbotbird.com/showroom/data_r-z/...a_88tc.php
HERS - Blue 87 TC, fully loaded with every option, Work in Progress
87 Gray TC Parts Car - Gave to BJL and is now his daily driver
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