Either way, what oil does your 5.0 like?
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- 1990 Ford LTD Crown Victoria P72 - the street boat - 5.0 liter EFI - Ported HO intake/TB, 90 TC shroud/overflow, Aero airbox/zip tube, Cobra camshaft, 19lb injectors, dual exhaust w/ Magnaflows, Cat/Smog & AC delete, 3G alternator, MOOG chassis parts & KYB cop shocks, 215/70r/15s on 95-97 Merc rims
- 2007 Ford Escape XLT - soccer mom lifted station wagon - 3.0 Duratec, auto, rear converter delete w/ Magnaflow dual exhaust
- 2008 Mercury Grand Marquis Ultimate Edition - Daily driver - 4.6 2 valve Mod motor, 4R75E, 2.73s. Bone stock -
Yay!
I've always run synthetic in everything I've owned.
2001 Ford Crown Victoria P71 - "The Fire Engine"
1985 Lincoln Town Car Signature Series
But God demonstrates his own love for us in this: While we were still sinners, Christ died for us. Romans 5:8 -
my engines happy with supertech 10w30.. If it gets low i pick up quarts of motorcraft.
BTW this has been discussed many times
Give a man a fish and he will be fed for a day. Teach a man to fish and he will promptly forget that he once did not know, and proceed to call anyone who asks, a n00b and flame them on the boards for being stupid.Comment
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Mine is in love with 50w non synthetic. The only time I have seen an advantage in synthetic oil is when it is -25 or lower outside and it ain't plugged in, it will crank a bit faster with synthetic.1990 LTD Crown Vic w/ dead 5.0
1984 Pontiac 6000 cammed 2.5L Iron Duke
1986 F-150 300 6cyl 5spd.
1994 Crown Vic... Free, bad trans?Comment
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10W30 Mobile 1 Synthetic.
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10W40 NON synthetic.~David~
My 1987 Crown Victoria Coupe: The Brown Blob
My 2004 Mercedes Benz E320:The Benz
Originally posted by ootdega
My life is a long series of "nevermind" and "I guess not."
Originally posted by DerekTheGreat
But, that's just coming from me, this site's biggest pessimist. Best of luck
Originally posted by gadget73
my car starts and it has AC. Yours doesn't start and it has no AC. Seems obvious to me.
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Our cars are happy with regular oil, unless they've been getting synthetic all along and then you take it away.
Syn oil will still get 'dirty' but it doesn't break down due to heat quite as quick as petrol oil.
One advantage being that your oil wont 'cook' as fast in an overheating situation... same with synthetic transmission fluid.
If it lubricates better, i dunno. Some folks swear by it... i know of one courrier van with 500,000 miles on the original motor that ran extended interval changed synthetic its whole life, but it was all highway miles....Pete ::::>>> resident LED addict and CFI defector LED bulb replacements
'LTD HPP' 85 Vic (my rusty baby) '06 Honda Reflex 250cc 'Baileys' 91 Vic (faded cream puff) ClifFord 'ODB' 88 P72 (SOLD) '77 LTDII (RIP)
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85HPP's most noteworthy mods: CFI to SEFI conversion w/HO upperstuff headers & flowmasters P71 airbox Towncar seats LED dash light-show center console w/5 gauge package LED 3rd brake light 3G alternator mini starter washer/coolant bottle upgrade Towncar power trunk pull underhood fuse/relay box 16" HPP wheels - police swaybars w/poly rubbers - budget Alpine driven 10 speaker stereoComment
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Dear Panthers,
I have yet to hear the "why" for synthetic oil. I've 280 on the Boulevard Cruiser (89CP), get 21 mpg (except in Texas), add a qt of 10/40 premium oil every two or three tanks and drive 20K (highway) yearly.
Donald McCaig1989 CP Scottified steering, suspension and big brakes, 16 in wheels, A-pillar oil & temp gauges, remote entry, backup sensor, tailgate wiper, custom console & trash, tranny & ps coolers, 3 cell radiator, electric fan, dual exhausts, battery isolator, hellas headlights,deer pusher,wads of dog hair.Comment
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Mobile One 10w30, my car seems to be happy with it and it's all I'll use. I've heard people say it's not worth it, that engines don't do well with the change from traditional, and there's a potential for increased leaks. My car's had none of those problems. The main reason I use synthetic is because I drive pretty much all city miles, and I believe the wear protection is superior.sigpic
1986 Grand Marquis LS 2 Door
Ext: Medium Shadow Blue Metallic, Int: Midnight Blue, 3.08 open, 235/70/15 Goodyear Aquatread III, Rebuilt AOD w/ Transgo Shift Kit, 3G upgrade from 95 5.0 Mustang, Walker Dual Exhaust w/ H pipe, Viper 5900ST alarm, De-smogged, Rear Civ. Sway Bar, and more.Comment
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Anything I pour in it, as long as its 2 parts 15w40 and 3 parts 10w30.
Alex.Comment
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Valovoline Full Synthetic 10W30...and sometimes Ams oil 10W30
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Definitely synthetic oil of your choice brand. I ran one oil change with dinosaur oil once, and it was noticeably noisier and ran more roughly. Last two changes I have done have been Pennzoil Platinum Fully Synthetic, which works great, and comes out pretty clean, along with Motorcraft Filters. My next change I am going to use Mobil 1 10W40 full synthetic to see how it works out.Comment
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plain jane motorcraft synth blend works awsome in mine i leak oil so i have to put a qt or two in evry couple of days or when i have been on a long trip, my oil was perfectly kleen until i dumped a cheap kwickfill oil in it and it tunred cleanish black yeccch! anyway love my k&n oil filter89 townie, mild exhuast up grades, soon to have loud ass stereo....Comment
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I usually just run some generic 10w-30. Sometimes I'll run high mileage if it's on sale. I'm running a synthetic blend right now and I noticed no difference. If anything it's a hint noisier.2020 F250 - 7.3 4x4 CCSB STX 3.55's - BAKFlip MX4
2005 Grand Marquis GS - Marauder sway bars, Marauder exhaust, KYB's
2003 Marauder - Trilogy # 8, JLT, kooks, 2.5" exhaust, 4.10's/31 spline, widened rear's, metco's, addco's, ridetech's 415hp/381tq
1987 Colony Park - 03+ frame swap, blown Gen II Coyote, 6R80, ridetechs, stainless works, absolute money pit. WIPComment
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super tach high milege 10w 40
1989 mercury grand marquis gs / 2014 ford focus s daily driver
302 lopo with ho upper/ aod with trans go shift kit
k code 3:55 posi rear/big brake swap tow package car
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