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09-07-08, 11:54 PM
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#1 (permalink)
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Forum Regular
Join Date: Jun 2008
Location: Tornado Alley.
Posts: 52
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my lx450 seems to burn oil. Suggestions?
It seems to burn quite a bit. It's got about 160k.
Does it need rings?
Is that super hard to do? I've pulled the motor on my old 89 toyota truck a few times, replaced it's headgasket, rebuilt the rear end, and rebuilt most of the tranny, so I'm fairly competent mechanically . . . .
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09-08-08, 12:46 AM
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#2 (permalink)
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Forum Lifer
Join Date: Dec 2007
Location: Woodland Hills, CA
Posts: 4,944
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Er is it actually burning oil? Could it possibly be leaking oil instead?
__________________
84 FJ60, 256k (Rumpleshank)- suckiest day of my life, WagonGear'd, cleaned, fixed, carb'd, OME lift'd, U-bolts flip'd, Remflex'd and now waiting for a new motor
86 FJ60, 180k (Rizzabella)- just bought it
97 LX450, 227k, non-locked. Expedition vehicle in progress. Auto-up mod, Coolant mod, Garage door mod, Jumper Cables, Dual batteries, Power Distribution 1, 2, 3, 4, Switch mod, Slee harness, Coolant/windshield sensor mod, CDL & 7-pin mod, Dog mod, Drillbit mod, IPOR'd, Yellowbox'd, Scion'd, Trans gauge mod, MAF'd, JDM fan'd, kid seat mod, Factory rack removed 
Mark's Off-Road for all 40,45,60 parts
ふざけんなよ!
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09-08-08, 01:00 AM
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#3 (permalink)
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Forum Regular
Join Date: Jun 2006
Posts: 236
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How rapidly is it losing oil (burning or leaking)? Mine eats about a quart every 4k miles or so, and I know a few other members' rigs do as well.
__________________
'97 Lexus LX450 - CDL/7 Pin | Factory cup holder | Black LX wheels | 305/70 Toyo M/T | Optima Redtop | Auto-Up mod | George's LEDs | 1.5" Spacers |
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09-08-08, 01:39 AM
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#4 (permalink)
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Forum Lifer
Join Date: Dec 2007
Location: Woodland Hills, CA
Posts: 4,944
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I've been lucky. I go through half a quart every 6-7k.
But you NEED to verify if it comes from a leak before you start linking about tearing anything apart.
__________________
84 FJ60, 256k (Rumpleshank)- suckiest day of my life, WagonGear'd, cleaned, fixed, carb'd, OME lift'd, U-bolts flip'd, Remflex'd and now waiting for a new motor
86 FJ60, 180k (Rizzabella)- just bought it
97 LX450, 227k, non-locked. Expedition vehicle in progress. Auto-up mod, Coolant mod, Garage door mod, Jumper Cables, Dual batteries, Power Distribution 1, 2, 3, 4, Switch mod, Slee harness, Coolant/windshield sensor mod, CDL & 7-pin mod, Dog mod, Drillbit mod, IPOR'd, Yellowbox'd, Scion'd, Trans gauge mod, MAF'd, JDM fan'd, kid seat mod, Factory rack removed 
Mark's Off-Road for all 40,45,60 parts
ふざけんなよ!
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09-08-08, 02:53 AM
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#5 (permalink)
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250+ Club
Join Date: Jan 2006
Location: Tulsa, OK
Posts: 770
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Synthetic or conventional? Try some Shell Rotella 15/40 and a Wix filter. I swear by this combo and run it in everything I own. If this oil "disappears" I would say you might have a ring problem. If it doesn't smoke any, who cares, just keep topping it off. Beats the hell out of the price of a rebuild.
__________________
`97 LX, locked, BFG's, OME, ARB, 4X4Labs rear, and some sliders.
`91 FJ80, grocery getter/wife's, (Sold)
`90 3VZE Turbo, SAS 4Run, (Sold)
`88 Turbo FJ62, (Sold)
`73 FJ40, (Sold)
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09-08-08, 06:43 AM
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#6 (permalink)
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Forum Regular
Join Date: Jun 2008
Location: Tornado Alley.
Posts: 52
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It leaks some, but not enough to drip onto the ground.
I'm using mobil 1 synthetic 10w30
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09-08-08, 09:59 AM
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#7 (permalink)
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250+ Club
Join Date: Jan 2005
Location: Mukilteo
Posts: 466
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Quote:
Originally Posted by wildman326
It leaks some, but not enough to drip onto the ground.
I'm using mobil 1 synthetic 10w30
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I am using this same oil as well. You might want to try the High Mileage variant of M1 10w-30 or try a XW-40 weight oil.
Good luck.
__________________
96' FZJ80 - Moonglow/Grey Interior, ARB Bull Bar, OME 850/860, Slee Blue Bushings, 285/75/16 Nitto's, Speedo Gear, CDL, Hella 500 Fogs, Toshiba HIR's, Silicone PHH - Baselined
- Purchased from original owner @ 77K-(12/04)
04' WRX, Modified - 292HP/319LB-FT
"Phil 4:3-8"
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09-08-08, 05:13 PM
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#8 (permalink)
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250+ Club
Join Date: Aug 2004
Location: Sweet Home Alabama
Posts: 637
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My 1994 did not like the Mobile1 you are using. I switched to the Rotella mentioned previously and all was well.
__________________
1981 BJ42
1994 FZJ80 ROTW
1997 FZJ80 40th Anniversary
Victimized by CDan
Court photographer for HRH The Shaman
Honi Soit Qui Mal Y Pense
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09-08-08, 05:49 PM
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#9 (permalink)
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Forum Regular
Join Date: Oct 2007
Location: Dallas TX
Posts: 210
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I've tried all the above, but when it burns, time for ring job. I just don't see any liquid at this point will help. Mine was burning at 150K.
__________________
 where are you hurting?
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09-09-08, 04:25 PM
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#10 (permalink)
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Forum Regular
Join Date: Jan 2008
Location: Roselle, IL
Posts: 110
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Oil Burning
Are you doing your own oil changes? Make sure your shop knows these vehicles take 7 quarts. My oil light came on and after I stopped panicing, I looked at my last receipt and realized I was only charged for five quarts of oil. My LX still burns about a quart between changes. Five quarts minus another quart give or take plus a slight incline put the light on. Food for thought.
__________________
1997 LX450
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09-09-08, 05:45 PM
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#11 (permalink)
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250+ Club
Join Date: Apr 2005
Location: Dallas, TX
Posts: 340
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Mine "used" more oil with M1 10W-30 too. I am in Texas and switched to 15W-50. Consumption is lower, maybe a quart per 3k mi.
My indy worked at the Lexus dealership, maintained a lot of LX450s and said many trucks used oil even when new. Not to worry too much.
I would definitely do some analysis with the different oils and viscosities before declaring it needs serious work.
__________________
Robert Callaway
'03 LX470 52k mi. - The Smooth Ride
'94 FZJ80 212k mi. - Locked, OME 861/862, less the OE roof rack, add a D31M
'85 FJ60 - Sold
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09-09-08, 08:01 PM
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#12 (permalink)
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250+ Club
Join Date: Oct 2006
Location: Columbus, OH
Posts: 529
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I switched to the M1 High Mileage and my oil consumption went down significantly. I now go through a quart every 3-4K
__________________
1997 LX450 Green! with lockers
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09-09-08, 08:46 PM
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#13 (permalink)
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Site Addict
Join Date: Feb 2004
Location: Monroe, WA
Posts: 1,443
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The P.O. of our LX had a complete engine rebuild done at the Lexus dealership at 138K for "excessive oil consumption" to the tune of nearly $4K. It doesn't seem to use any now at 170K.
__________________
-Eric
64 FJ40, slightly modified.
96 LX450, locked.
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09-09-08, 09:10 PM
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#14 (permalink)
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Forum Lifer
Join Date: May 2005
Posts: 3,967
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THIS THREAD IS WORTHLESS WITHOUT KNOWING HOW MUCH OIL IT'S CONSUMING PER 1K MILES!!!
Jebus you guys...
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02-20-09, 11:42 AM
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#15 (permalink)
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Forum Regular
Join Date: Jun 2008
Location: Tornado Alley.
Posts: 52
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Was synthetic. Mobile 1 10w 30
Just bought the high mileage mobile 1 10w30.
I must not have had my email notifications set up correctly. I just saw this had been replied to.
It uses about 1 qt every 750 - 1000 miles.
Not dripping at all. Period. I fixed all the leaks. (except rear seal, which does not drip on ground/concrete)
__________________
1996 LX450: Temp Gauge Mod, 2.5 Iron Man, Rear AirLift - My Work Truck
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02-20-09, 12:41 PM
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#16 (permalink)
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Site Addict
Join Date: Aug 2004
Location: Queens, NYC and sometimes Orlando, FL
Posts: 1,537
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Quote:
Originally Posted by 12MPG
Are you doing your own oil changes? Make sure your shop knows these vehicles take 7 quarts.
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Odd
Mine takes 8 and the low level light comes on at 7
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02-20-09, 01:46 PM
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#17 (permalink)
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250+ Club
Join Date: Jan 2006
Location: Chicago!
Posts: 676
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If you're using a quart every 1k I would not do a thing to it.
Is this an easy motor to rebuild? Sure...aren't they all? But you'd be kidding yourself if you thought you could get to a point where it uses little to no oil.
__________________
'97 LX-450-TRD Supercharger sitting on the garage floor...moved it to the basement! Gotta get to work on that I/C and hood scoop!
'87 FJ60, 350, NV4500, EFI, SOLD July '08, Happily hitting trails in S/W Colorado now!
'96 civic EX 4DR 5SP 30+ mpg all day long!
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02-20-09, 01:53 PM
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#18 (permalink)
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On the Golf Course!
Join Date: Mar 2003
Location: The OC, CA
Posts: 6,209
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Quote:
Originally Posted by CJF
THIS THREAD IS WORTHLESS WITHOUT KNOWING HOW MUCH OIL IT'S CONSUMING PER 1K MILES!!!
Jebus you guys...
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Thank You!! Same thoughts reading thru this.
Are you seeing white/bluish smoke? How much oil are you going thru?
I need to put in 1 qt between 5K oil changes. Using dino Penzoil high mileage stuff - factory recommended weight. Truck has almost 193K now.
__________________
Brent
'94 White LC; Kaymar Rear Bumper w/tire carrier; Hanna Sliders; ARB winch ready Front Bumper; Slee Transfer Case Skid Plate; BFG MT KM2 285's, OME 850/863 Heavy 2" lift, INTI Rack; Warn M12000 Winch, Snorkel; Sputnik!
TLCA Member #13420; KI6SGO
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02-20-09, 01:58 PM
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#19 (permalink)
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Forum Lifer
Join Date: May 2005
Posts: 3,967
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Quote:
Originally Posted by Brentbba
How much oil are you going thru?
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See post #15 (in which he revived the thread).
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02-20-09, 02:07 PM
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#20 (permalink)
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On the Golf Course!
Join Date: Mar 2003
Location: The OC, CA
Posts: 6,209
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Quote:
Originally Posted by CJF
See post #15 (in which he revived the thread). 
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thx - I was skimming! That does seem a little excessive, even though Yota does consider 1 qt/1000 miles normal and ok.
__________________
Brent
'94 White LC; Kaymar Rear Bumper w/tire carrier; Hanna Sliders; ARB winch ready Front Bumper; Slee Transfer Case Skid Plate; BFG MT KM2 285's, OME 850/863 Heavy 2" lift, INTI Rack; Warn M12000 Winch, Snorkel; Sputnik!
TLCA Member #13420; KI6SGO
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02-20-09, 02:26 PM
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#21 (permalink)
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Rookie
Join Date: Jul 2007
Location: Rockless Louisiana
Posts: 2
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had simular consumption changed to NAPA 10/40 now it seems to be 1quart every 2/3k.
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02-20-09, 05:45 PM
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#22 (permalink)
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Forum Regular
Join Date: Jul 2008
Location: Nashville Tennessee
Posts: 42
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I was "disappearing" about 1 quart every 800 miles using 5w-30. I changed to 0w-40 and now I only use about a quart every 1300 miles.
__________________
----------------------------
1995 80 230,000 miles. stock
I named her Miss Kitty because
she's big and red and I bought her
in Dodge City.
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02-20-09, 09:33 PM
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#23 (permalink)
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Forum Regular
Join Date: Jun 2008
Location: Tornado Alley.
Posts: 52
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OK.
I'm not as thourough as I should be. I know that it burn enough oil that i don't feel an oil change is really necessary. In the 6 - 8 months that Ive owned it I've put 2 - 3 5-gallon oil containers through it.
I should be more anal, but I haven't reached that plateau yet.
I'm more of a fixer than a maintainer, so I want to fix it so I don't need to worry about it for a while. I'm sure that is irresponsible, but that's me.
Pretty sure I'll drive 1000 miles in the next week or so. Perhaps tomorrow I'll top it off (again) and check to see how much it burns during the next week.
I relegiously write down mileage so maybe I can add an OIL column.
__________________
1996 LX450: Temp Gauge Mod, 2.5 Iron Man, Rear AirLift - My Work Truck
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02-20-09, 09:34 PM
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#24 (permalink)
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Forum Regular
Join Date: Jun 2008
Location: Tornado Alley.
Posts: 52
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btw it burns hella tons of white smoke at start-up, I mean a sh!+ ton. Its embarrasing
__________________
1996 LX450: Temp Gauge Mod, 2.5 Iron Man, Rear AirLift - My Work Truck
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02-20-09, 11:02 PM
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#25 (permalink)
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Forum Lifer
Join Date: Aug 2003
Posts: 7,461
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White smoke at startup is either normal cold morning condensation or coolant. Oil burning on startup is blueish grey.
DougM
__________________
Buy Head Gasket DVD for you OR for your mechanic HERE
'93 FZJ since new, 2.2kw starter, Revo 275s (Michelin Alpins in winter), locked, big Hellas, rr fog, rr flood, rr Airlift, synthetics, ARB bullbar. 97 FZJ - exact same stuff but Michelin X-Ice in winter.
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02-21-09, 07:44 AM
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#26 (permalink)
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Forum Regular
Join Date: Jan 2009
Location: Logan, Ohio
Posts: 60
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Mine used to burn through 3-4 quarts every 1500 miles. Toyota wanted to rebuild at $4000, local shop replaced front and rear seals and I haven't had any problems yet. Started at 165,000 miles, now at 199,900.
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02-22-09, 11:06 AM
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#27 (permalink)
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250+ Club
Join Date: Jan 2006
Location: Chicago!
Posts: 676
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When you say a shit ton of white smoke...do you mean like Rally-X style, that you cannot even see the truck if the wind is right? Or just a little puff...or like you are James Bond and you just hit the smoke screen button on your latest spy vehicle?
Maybe a picture could better capture this?
__________________
'97 LX-450-TRD Supercharger sitting on the garage floor...moved it to the basement! Gotta get to work on that I/C and hood scoop!
'87 FJ60, 350, NV4500, EFI, SOLD July '08, Happily hitting trails in S/W Colorado now!
'96 civic EX 4DR 5SP 30+ mpg all day long!
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02-22-09, 11:15 AM
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#28 (permalink)
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The quick brown fox .....
Join Date: Mar 2003
Location: Somewhere in the foothills...
Posts: 11,845
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Quote:
Originally Posted by wildman326
In the 6 - 8 months that Ive owned it I've put 2 - 3 5-gallon oil containers through it.
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If you drive an average of 1,500 mi each month, that would be 12k miles. 2.5x5gallons = 12+ gallons = approximately 50 qts. which would be 1qt every 250 miles.
If you are giving us correct information then you have a major oil consumption problem that needs to be repaired soon.
-B-
__________________
97 FZJ80 - Locked, 315 Toyos, 4.88s, Slee 4", George's sliders, Slee bumpers, Warn M12000, OBA, Yaesu 7800, Outback drawers + other stuff. Transformation complete.
Sometimes you find yourself in the middle of nowhere. And sometimes in the middle of nowhere, you find yourself.
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02-22-09, 02:00 PM
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#29 (permalink)
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Forum Regular
Join Date: Jun 2008
Location: Tornado Alley.
Posts: 52
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Major screw up on my part . . . I meant 5qt containers, not 5 gallon. So lets say 15 - 20 qts.
From 6/21/08 - 2/21/09 I drove the car exactly 18,846 miles. At 15 quarts, thats 1 qt every 1256 miles. At 20 qts, thats 1 qt every 942 miles.
I guess that's not so bad. However, I'd prefer it if it burned zero oil.
__________________
1996 LX450: Temp Gauge Mod, 2.5 Iron Man, Rear AirLift - My Work Truck
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02-22-09, 11:35 PM
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#30 (permalink)
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Forum Regular
Join Date: Jan 2009
Posts: 13
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Check your PCV valve and hoses
From my recent experience...Check your PCV valve and hoses.
I had a bad PCV valve and my LC was burning 5 qts per 500 miles! Thought I needed a new engine. Changed it out and now it hasnt lost any measurable amount of oil over the past 500 miles but I am still monitoring it.
How is the compression? I ran both a leakdown test and compression test. This ruled out any internal problems w/ rings or valves.
__________________
1997 FZJ80 163k, unlocked, in the process of being baselined...
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