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How to Reduce Oil Consumption - Tips and Tricks... #5226
08/15/02 12:02 AM
08/15/02 12:02 AM
Joined: Jul 2002
Posts: 349
Quebec, Canada
The_Oz Offline OP
The_Oz  Offline OP
Joined: Jul 2002
Posts: 349
Quebec, Canada
All this talk about oil is getting bor...err...I mean...interesting [Big Grin] Anyway, what are your suggestions/tips/advice on reducing oil consumption (ie. Using certain oils, additives that you think works, Driving Habits <- this is what I'm reffering to mostly, proper engine care, etc.). First off, does it have to be specific as to whether the vehicle is under mostly stop-and-go OR mostly highway conditions? If you think so, just make sure to mention it [Smile] Of course, this is provided that your engine is in pretty good shape (ie. no oil leaks). So far, here's what I've learned:

- Use heavier weight oil (ie. 5W40 instead of 5W30).
- avoid over-revving the engine (in my case, I normally stay around/shift at 3000RPM).
- Allow full warm-up before driving the car.

In regards to "full warm-up", does that mean I should wait until my Temp needle hits the middle of the gauge? So, explain yourselves, boys and girls (if there are any women here [Smile] ).

Thanks,

Oz

Re: How to Reduce Oil Consumption - Tips and Tricks... #5227
08/15/02 12:43 AM
08/15/02 12:43 AM
Joined: May 2002
Posts: 20,795
Oakville, Ontario
Patman Offline
Patman  Offline
Joined: May 2002
Posts: 20,795
Oakville, Ontario
NO, do not idle the engine to warm it up! That'll take too long and just waste fuel and harm your engine. Start it up, idle no more than 15 sec., then start driving, but just drive gently until the car comes up to temperature. I missed out on a good opportunity to street race against a new Camaro last Friday morning at 5am because I had just started my car a minute before that and the oil was still cold. [Smile]

Re: How to Reduce Oil Consumption - Tips and Tricks... #5228
08/15/02 01:13 AM
08/15/02 01:13 AM
Joined: Jun 2002
Posts: 901
Northern Illinois
dickwells Offline
dickwells  Offline
Joined: Jun 2002
Posts: 901
Northern Illinois
If its an old leaker, oil leakage from the rear main can be reduced by using a thinner oil. By going to 0W30 (especially in the winter) I reduced the leakage by about 30% on my old 88 305 truck. Also make sure that your PCV valve is working good. That suction tends to keep oil from leaking out of other areas. Regards, RW

Re: How to Reduce Oil Consumption - Tips and Tricks... #5229
08/15/02 02:16 AM
08/15/02 02:16 AM
Joined: May 2002
Posts: 302
Chicago
kev99sl Offline
kev99sl  Offline
Joined: May 2002
Posts: 302
Chicago
If it's a manual transmission, avoid downshifting. Downshifting creates mucho vacuum which can suck oil right past the rings. The theory on the Saturn engines is that most of the oil drinkers are manual transmissions. (One caveat: some cars compensate for the vacuum with computer controls that prevent a huge increase in vacuum. Honda is one maker that does this, but I don't know which others.)

Re: How to Reduce Oil Consumption - Tips and Tricks... #5230
08/15/02 03:08 AM
08/15/02 03:08 AM
Joined: Jun 2002
Posts: 19,242
Iowegia - USA
MolaKule Offline
MolaKule  Offline
Joined: Jun 2002
Posts: 19,242
Iowegia - USA
Other than what's been stated previously:
1. Use an oil with lower volatility.
2. Insure gaskets are sealing properly. Replace leaking gaskets and/or seals.
3. Since sludge buildup contributes to leaking seals, change oil before NOx and Oxidation readings become too high.

Re: How to Reduce Oil Consumption - Tips and Tricks... #5231
08/15/02 03:24 AM
08/15/02 03:24 AM
Joined: Jun 2002
Posts: 1,933
Oklahoma
dragboat Offline
dragboat  Offline
Joined: Jun 2002
Posts: 1,933
Oklahoma
To make certain the engine is not detonating. Often it is not audible by ear would be a add to the list

Re: How to Reduce Oil Consumption - Tips and Tricks... #5232
08/15/02 10:14 PM
08/15/02 10:14 PM
Joined: Jul 2002
Posts: 349
Quebec, Canada
The_Oz Offline OP
The_Oz  Offline OP
Joined: Jul 2002
Posts: 349
Quebec, Canada
Patman - This is what I do everytime I start the engine cold. The temp gauge (when cold) always fall below the "Cold" mark. Regardless if it is summer or not, I wait until the temp needle starts moving (at least hitting the "cold" mark) before driving off. When I do drive off, I try to accelerate as slow as possible and shift at 2500RPM up to 3rd gear and try to stay within 40-50km/h. Is this okay?

kev99sl - I downshift very frequently because I live in a city with lots of stop signs/lights. And traffic is pretty big for a city so small. However, when I do downshift, I double-clutch. If I cannot accomplish a double-clutch, I at least, rev-match to the desired gear. And the only time I downshift is when I'm trying to prevent engine lugging. Is this okay?

MolaKule - Do you mean an oil with lower a NOACK?

Thanks Guys,

Oz

Re: How to Reduce Oil Consumption - Tips and Tricks... #5233
08/15/02 10:27 PM
08/15/02 10:27 PM
Joined: May 2002
Posts: 20,795
Oakville, Ontario
Patman Offline
Patman  Offline
Joined: May 2002
Posts: 20,795
Oakville, Ontario
quote:
Originally posted by The_Oz:
Patman - This is what I do everytime I start the engine cold. The temp gauge (when cold) always fall below the "Cold" mark. Regardless if it is summer or not, I wait until the temp needle starts moving (at least hitting the "cold" mark) before driving off. When I do drive off, I try to accelerate as slow as possible and shift at 2500RPM up to 3rd gear and try to stay within 40-50km/h. Is this okay?


So how long are you idling for before you pull away? I still say you should idle it no more than 10-15 seconds, then pull away gently. With my car, I actually back into my driveway so that when I start up the car, I just put it in drive, and then let off the brake, and for the first minute or so I can just let the car move on it's own without touching the gas at all. Is this obsessive or what? [Big Grin]

Re: How to Reduce Oil Consumption - Tips and Tricks... #5234
08/15/02 11:16 PM
08/15/02 11:16 PM
Joined: Jul 2002
Posts: 349
Quebec, Canada
The_Oz Offline OP
The_Oz  Offline OP
Joined: Jul 2002
Posts: 349
Quebec, Canada
quote:
So how long are you idling for before you pull away? I still say you should idle it no more than 10-15 seconds, then pull away gently. With my car, I actually back into my driveway so that when I start up the car, I just put it in drive, and then let off the brake, and for the first minute or so I can just let the car move on it's own without touching the gas at all. Is this obsessive or what?
Patman,

Idle can vary anywhere from 3-10 minutes. 3 minutes during a hot humid summer day, and 10 minutes during a fiery cold winter morning (I live right in front of the St. Lawrence...brrrrr). Unfortunately for me, I cannot just simply run the car doing 5km/h as I live in a fairly busy street. One thing to note: My Mazda owner's manual states that I can simply drive off after the engine has finished idling at "fast idle". Driving off at fast idle is not recommended. Since it's summer, my fast idle only lasts a mere 5 seconds. Winter temps will be longer obviously.

Regards,

Oz

Re: How to Reduce Oil Consumption - Tips and Tricks... #5235
08/15/02 11:52 PM
08/15/02 11:52 PM
Joined: Jun 2002
Posts: 263
DFW, TX
Chris A Offline
Chris A  Offline
Joined: Jun 2002
Posts: 263
DFW, TX
I also drive off immediately after I start my car. I keep the RPMs below 2000 until I feel it is warmed up. I do judge when it is warmed a little different than mentioned above though. I watch the oil pressure gauge and when it is half way between the cold pressure and the hot pressure, I'll allow myself to open the carb secondaries. By this time, the engine is hot enough that the thermostat is open (180*).

Re: How to Reduce Oil Consumption - Tips and Tricks... #5236
08/15/02 11:53 PM
08/15/02 11:53 PM
Joined: Jun 2002
Posts: 901
Northern Illinois
dickwells Offline
dickwells  Offline
Joined: Jun 2002
Posts: 901
Northern Illinois
So according to how you guys are thinking, one would not put a remote starter on a car or buy a used car that had a remote starter on it. Right? RW

Re: How to Reduce Oil Consumption - Tips and Tricks... #5237
08/15/02 11:59 PM
08/15/02 11:59 PM
Joined: May 2002
Posts: 20,795
Oakville, Ontario
Patman Offline
Patman  Offline
Joined: May 2002
Posts: 20,795
Oakville, Ontario
quote:
Originally posted by dickwells:
So according to how you guys are thinking, one would not put a remote starter on a car or buy a used car that had a remote starter on it. Right? RW

I for one wouldn't put on a remote starter, or even consider buying a car that had one. I would be very surprised if an engine lasted 200k and beyond with a regular diet of those cold start long idle sessions. I would imagine the oil would be a lot more fuel diluted too, especially in the wintertime when it takes even longer to warm up.

Small cars don't even take that long to warm up, my wife's Honda with it's tiny cooling system will reach operating temperature in less than 2 miles of driving, even on the coldest winter day. That's why I used to love it when I used that car to commute back and forth to work in the winter. So with a car like that there was definitely no need to idle it, since I'd have heat coming out of the vents within a minute or two anyways.

Re: How to Reduce Oil Consumption - Tips and Tricks... #5238
08/16/02 12:18 AM
08/16/02 12:18 AM
Joined: Aug 2002
Posts: 2,439
Indiana
VeeDubb Offline
VeeDubb  Offline
Joined: Aug 2002
Posts: 2,439
Indiana
Forgive me for my ignorance, but it seems to me that driving the car immediately would be at least as hard as letting it idle for about 1 minute or 2. If the engine isn't running efficiently and has fuel dilution, why would putting a load on it by driving it help it? I realize that the oil warms up quicker, but extending the logic further, it would warm up even quicker if we just open the sucker up at start up, wouldn't it? And we know this would be a bad idea. But I admit I'm not the most mechanically inclined so my logic is probably off. I just don't understand it that's all.

Re: How to Reduce Oil Consumption - Tips and Tricks... #5239
08/16/02 12:22 AM
08/16/02 12:22 AM
Joined: Jun 2002
Posts: 2,077
Cordelia, CA
VaderSS Offline
VaderSS  Offline
Joined: Jun 2002
Posts: 2,077
Cordelia, CA
Maybe he's just lucky, but my best friend has a 1987 Chevy P/U with a TBI 305. It had a remote start on it when he purchased it in 1990 and he has always used it. The truck has 185k with the original, untouched engine and runs perfect with NO oil consuption.

It has had Valvoline 10W30 in it from the first change with a 3k interval.

Based on his experience, I put one on my car. I never let it sit more than a few minutes idling, but that eliminates the heat shock one usually experience getting into a car that has been sitting in the sun.

I don't believe that extensive idling is needed to warm a car up before driving, but I don't think it hurts it either.

[ August 16, 2002, 03:23 PM: Message edited by: VaderSS ]

Re: How to Reduce Oil Consumption - Tips and Tricks... #5240
08/16/02 12:32 AM
08/16/02 12:32 AM
Joined: May 2002
Posts: 1,396
St. Charles County, Missouri
csandste Offline
csandste  Offline
Joined: May 2002
Posts: 1,396
St. Charles County, Missouri
"I don't believe that extensive idling is needed to warm a car up before driving, but I don't think it hurts it either."

I agree completely. The main reason to get a car moving in the winter is because it will warm up bearings and other parts of the car at the same time the engine is warming up. Click and Clack were asked the question about idling hurting an engine a few months ago. Their comment was that idling was essentially the same thing as driving slow and would have no detrimental effect on an engine.

That being said, I get things moving immediately in the morning summer or winter. To do anything else is just wasting fuel.

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