burning oil why???

ebang · 05-13-2007, 02:20 PM

Ok...I got this car since February I did tune up oil change all that stuff..This Saturday was the first time I took it for a long drive...total 250kms. I decided to check the oil today and it was all gone!...What happened??. There is no visable oil leak to speak of that I can see or it would be all over my driveway. Anyone know why it would be burning that much oil?...How serious is this?...

dcrusupra · 05-13-2007, 02:25 PM

Well, if you are burning oil its probably that your piston rings are worn and the oil is getting into the cylinders on top of the pistons where the combustion takes place and gets burned off when the spark plugs ignite the air/fuel mixture.

ebang · 05-13-2007, 04:57 PM

one other thing whenever I start it up in the mornings there is a hugh puff of blue smoke from the exhaust.

Kuban · 05-14-2007, 04:17 AM

that sounds more like valve guides. anyone else agree?

redmaro · 05-14-2007, 05:10 AM

Quote:

Originally Posted by Kuban

that sounds more like valve guides. anyone else agree?

Agree, but to consume that much oil he probably also has a tired engine.

ebang · 05-14-2007, 12:10 PM

ok...what do you mean by valve guides and how do I go about fixing it or testing that it is that?

supradaddy0803 · 05-14-2007, 12:22 PM

I would suggest doing a compression test first off to eliminate the piston rings. Vavle guides suck just because the easiest way to do them is to remove the head and then do them because you have to remove the valve springs. My old 7m was doing the same thing if it sat a while when I was out of town it would throw smoke for like 10 seconds. But on a lighter note valve guides are cheap to buy

but that doesnt make them easy to get to. Most people when you get ready to do those you are already there might was well rebuild the whole head. That is what they were saying about a tired 7m it may just be ready for a rebuild.

Termen · 12-05-2010, 09:51 PM

Sorry to bring this question back up but i have the same original problem. the oil just disappears within three weeks. and its not throwing blue smoke. oil pressure seems fine and im not loosing any significant power. any ideas.

Sonyps307 · 12-05-2010, 11:57 PM

On eBay u can buy a completely rebuild head with new parts for the 7m for 400$ then you swap them out and send it back if you want

Termen · 12-06-2010, 02:42 AM

is that the problem, the hole head????

05-13-2007, 02:20 PM	#1
ebang 3" Exhaust Join Date: Feb 2007 Location: Canada Posts: 99	burning oil why??? Ok...I got this car since February I did tune up oil change all that stuff..This Saturday was the first time I took it for a long drive...total 250kms. I decided to check the oil today and it was all gone!...What happened??. There is no visable oil leak to speak of that I can see or it would be all over my driveway. Anyone know why it would be burning that much oil?...How serious is this?... __________________ 1987 N/A Targa 5 speed no mods as yet

05-13-2007, 02:25 PM	#2
dcrusupra 500whp yet? Join Date: Aug 2005 Location: Plantation, Fl. Posts: 1,052	Well, if you are burning oil its probably that your piston rings are worn and the oil is getting into the cylinders on top of the pistons where the combustion takes place and gets burned off when the spark plugs ignite the air/fuel mixture. __________________ New Rebuild My CarDomain

05-13-2007, 04:57 PM	#3
ebang 3" Exhaust Join Date: Feb 2007 Location: Canada Posts: 99	one other thing whenever I start it up in the mornings there is a hugh puff of blue smoke from the exhaust. __________________ 1987 N/A Targa 5 speed no mods as yet

05-14-2007, 04:17 AM	#4
Kuban 3" Exhaust Join Date: Feb 2007 Location: Milwaukee, WI Posts: 174	that sounds more like valve guides. anyone else agree? __________________ -868 Miles on new jasper engine -All hard pipes -0.57 trim ct-26 -greddy type S -greddy profec b -apexi ride high 7 way adjustables -eibach springs -slotted rotors -mkIV TT rims (front)245/45/17 (rear)285/40/17 -targa -greddy turbo timer -egr eliminated -3" turbo back, no cat, no resonator, Apexi N1 back. -n/a cams Theres others ill think of later.

05-14-2007, 12:10 PM	#6
ebang 3" Exhaust Join Date: Feb 2007 Location: Canada Posts: 99	ok...what do you mean by valve guides and how do I go about fixing it or testing that it is that? __________________ 1987 N/A Targa 5 speed no mods as yet

05-14-2007, 12:22 PM	#7
supradaddy0803 12psi boost Join Date: May 2006 Location: Athens, TX Posts: 308	I would suggest doing a compression test first off to eliminate the piston rings. Vavle guides suck just because the easiest way to do them is to remove the head and then do them because you have to remove the valve springs. My old 7m was doing the same thing if it sat a while when I was out of town it would throw smoke for like 10 seconds. But on a lighter note valve guides are cheap to buy but that doesnt make them easy to get to. Most people when you get ready to do those you are already there might was well rebuild the whole head. That is what they were saying about a tired 7m it may just be ready for a rebuild. __________________ 1987 supra NA 5 speed 1JZGTE swap Tokico Illumina 2 and Eibach springs Tokico pillow blocks Suspension Techniques front and rear sway bar HKS super dragger cat-back exhaust plus test pipe Greddy Profec B spec 2 boost controller HKS type 1 turbo timer Supra sport solid steel drive shaft Walboro 255 fuel pump JZA70 Front end mod 18" Volk Racing AV3 18x8.5 front 18x9.5 rear

12-05-2010, 09:51 PM	#8
Termen Stock Join Date: Dec 2010 Location: renton Posts: 2	oil burning Sorry to bring this question back up but i have the same original problem. the oil just disappears within three weeks. and its not throwing blue smoke. oil pressure seems fine and im not loosing any significant power. any ideas.

12-05-2010, 11:57 PM	#9
Sonyps307 Lexus & 550's Join Date: May 2010 Location: Baltimore Posts: 526	On eBay u can buy a completely rebuild head with new parts for the 7m for 400$ then you swap them out and send it back if you want

12-06-2010, 02:42 AM	#10
Termen Stock Join Date: Dec 2010 Location: renton Posts: 2	is that the problem, the hole head????

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