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#41
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synthetic motor oil
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#42
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synthetic motor oil
Eagle wrote:
badgolferman formulated the question : I have owned Toyotas for the past 30 years and been very happy with them. I buy my cars used, typically 4-5 years old and keep them for 4-5 years or when they get near 200,000 miles. In each case I change my own oil because it's cheaper, I can use the oil and filter I want, and I don't trust the garages. Last spring I bought a used 2013 Lexus RX350 with 16,000 miles. The Lexus dealer had put synthetic Mobil 1 oil in it upon delivery and also at the first free oil change 10,000 miles later. This past weekend I was due for another oil change at 35,000 miles and did it myself this time. I decided to go with Pennzoil Platinum Pure Plus 0W-20 after researching synthetic oils. The Toyota oil filter came from Lexus and the oil from Walmart. Total cost was under $47 for the filter and seven quarts of oil. Maybe it's my imagination or the effect of new oil, but I must say the engine sounds quieter and my average gas mileage has climbed by a mile a gallon. Other than extended oil change intervals has anyone noticed a difference when switching from conventional to synthetic motor oils? Have you noticed a difference between different brands of oils? I switched to Royal Purple synthetic in My 1998 Ford Taurus and noticed a smoother running engine. It doesn't make sense, but that's the facts. At oil change time, My 2011 Jeep Grand Cherokee will get the Royal treatment as well. We use Motul or Redline. |
#43
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synthetic motor oil
On Wed, 3 Feb 2016 19:57:23 -0500, Ed Pawlowski wrote:
I never changed oil in my '53 Mercury flathead V-8. Just added a quart every few hundred miles. I had a 67 Chevelle like that. "Fill up the oil and check the gas" |
#44
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synthetic motor oil
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#45
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synthetic motor oil
On Wed, 03 Feb 2016 21:05:21 -0600, wrote:
Mouse Milk ? WTF is that? General term for any of those "miracle in a can" things they sell people |
#47
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synthetic motor oil
On Wed, 3 Feb 2016 19:57:23 -0500, Ed Pawlowski wrote:
On 2/3/2016 6:06 PM, wrote: Oil is the lifeblood of the engine. It lubricates, cools, and cleans the moving surfaces of the engine, preventing, or at least greatly reducing both wear and corrosion. Anyone who has worked extensively on engines can tell you what a neglected engine looks like, and can tell the neglected from the well maintained with his eyes closed. A case I saw when I was wrenching was the boss called me over and wanted to show me something. A Mustang with half a block missing. She got 22k out of it without changing oil... Change oil? wuz dat? Or all the Chryslers, Toyotas, VWs etc with the "coking" problem a few years back. Not a single one was a vehicle that followed the "extreme conditions" oil schedule with synthetic oil. Not a SINGLE ONE. I never changed oil in my '53 Mercury flathead V-8. Just added a quart every few hundred miles. Drive a trabant or Gogomobile, DKW or old Saab Sonet and you never need to change oil OR top it up!! |
#48
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synthetic motor oil
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#49
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synthetic motor oil
On Wed, 03 Feb 2016 21:05:21 -0600, wrote:
On Wed, 03 Feb 2016 18:37:11 -0500, wrote: After a few tries with mouse milk he paid a guy to pull the lifters out and clean them. OK after that. Mouse Milk ? WTF is that? By the way, what is synthetic oil made from? Most is made from dinosaur squeazings - some from dini-farts (natural gas) and some from vegetable oil |
#50
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synthetic motor oil
On Wed, 03 Feb 2016 23:39:52 -0500, wrote:
On Wed, 03 Feb 2016 20:17:38 -0500, wrote: On Wed, 3 Feb 2016 19:57:23 -0500, Ed Pawlowski wrote: I never changed oil in my '53 Mercury flathead V-8. Just added a quart every few hundred miles. I had a 67 Chevelle like that. "Fill up the oil and check the gas" My first car - 1961 Morris Mini 850 -got 50mpg of gas and 25 miles per quart of #50 with 2 or 3 cans of STP in it before I rebuilt it. When I took the exhaust off and stood it in the corner of the shop thick tarry oil oozed out the tailpipe. I had a LeBaron that was eating a quart of oil per tank of gas at around 150k. It wasn't dripping and it wasn't smoking. I was not sure where it was going. |
#51
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#52
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synthetic motor oil
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#53
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synthetic motor oil
On Thursday, February 4, 2016 at 8:10:01 AM UTC-8, Tony Hwang wrote:
You broke a rule. Never sell anything to friends/relatives. Don't even give something free. Over the last 20 years I've fixed up or sold outright 3-4 cars and a Chevy G-20 van, usually with newly rebuilt motors or valve jobs. Quickly found that I also "sold" lifetime free labor for any repairs needed as long as they owned the cars. FYI: I no longer accept "free cars" that just need a "little work" |
#54
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synthetic motor oil
my 2014 toyota avalon requires Synthetic oil [in the manual]
i'm surprised your Lexus doesn't require it...? my last car, a 2003 avalon, didn't require it, and i tried it, but i wasn't driving much, so decided it wasn't worth the extra cost... marc |
#56
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synthetic motor oil
Shade Tree Guy wrote:
On Thursday, February 4, 2016 at 8:10:01 AM UTC-8, Tony Hwang wrote: You broke a rule. Never sell anything to friends/relatives. Don't even give something free. Over the last 20 years I've fixed up or sold outright 3-4 cars and a Chevy G-20 van, usually with newly rebuilt motors or valve jobs. Quickly found that I also "sold" lifetime free labor for any repairs needed as long as they owned the cars. FYI: I no longer accept "free cars" that just need a "little work" LOL! IMO, shade tree grease monkey days are over now. Today's cars are more electronics than mechanics. |
#57
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synthetic motor oil
badgolferman wrote:
wrote: my 2014 toyota avalon requires Synthetic oil [in the manual] i'm surprised your Lexus doesn't require it...? It doesn't require it, but it's always had it. My 2013 Lexus RX350 also doesn't require premium unleaded. Might have been the first year back to regular from premium. That is why Toyota 3.5L has lesser numbers in engine tech specs. They use that engine every where in their product line. I just take the car to dealer service whenever MID pops service reminder. Only thing I do is seasonal tire/wheel switch. Even this chore is getting harder dealing with 19" wheels. I use tire dolly now for the job. |
#58
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synthetic motor oil
On Thu, 4 Feb 2016 09:09:44 -0700, Tony Hwang
wrote: Never sell anything to friends/relatives. Don't even give something free. Words to live by. |
#59
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synthetic motor oil
On Thu, 4 Feb 2016 10:40:49 -0700, Tony Hwang
wrote: Shade Tree Guy wrote: On Thursday, February 4, 2016 at 8:10:01 AM UTC-8, Tony Hwang wrote: You broke a rule. Never sell anything to friends/relatives. Don't even give something free. Over the last 20 years I've fixed up or sold outright 3-4 cars and a Chevy G-20 van, usually with newly rebuilt motors or valve jobs. Quickly found that I also "sold" lifetime free labor for any repairs needed as long as they owned the cars. FYI: I no longer accept "free cars" that just need a "little work" LOL! IMO, shade tree grease monkey days are over now. Today's cars are more electronics than mechanics. That is over sold. The fact is the only thing that changed is the shade tree mechanic needs a code reader or he has to go up to the auto parts store for a free readout. That actually made working on cars easier, not harder because 99% of the time, the computer will nail the bad part if it is computer related. The rest of the wrenching did not change much. The reality is, a lot of it like the good old "tune up" just went away. Plugs last pretty much the life of the car for most people and there are no points to burn. Timing is fixed and there is no carb to adjust. If they just put a little access door to check/add oil and water, you could bolt the hood shut. |
#61
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synthetic motor oil
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#62
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synthetic motor oil
Tony Hwang wrote:
Only thing I do is seasonal tire/wheel switch. Even this chore is getting harder dealing with 19" wheels. I use tire dolly now for the job. When I bought the car I told them I didn't want the 19" wheels that came with it. I knew they cost more, have less options, and would ride rougher since they have less air in them. They switched the wheels/tires with an 18" set on another unsold RX350. So far I've rotated them twice myself. The dealer wanted a lot to do it. |
#63
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synthetic motor oil
On Thu, 4 Feb 2016 13:46:25 -0500, Frank "frank wrote:
I had a 67 Chevelle like that. "Fill up the oil and check the gas" My '66 Chevelle got 16 mpg and that was on turnpike driving. My 67 was more like 8-10 on the beltway but I was turning about 4400 RPM It would do the first quarter mile in about 14.5 seconds tho. (327 325hp with a Muncie M22 and 456 rear) It was actually the 350HP Corvette motor with the Holley dual feed, factory high rise manifold and low restriction exhaust. This was an out of the box drag racer that was competitive in the street stock small block class, cleverly disguised in a convertible body with wood trim and no outward indication that it was bad. Except for the loping idle and the 2.25" exhaust pipes. |
#64
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synthetic motor oil
On Wednesday, February 3, 2016 at 10:06:30 PM UTC-5, wrote:
By the way, what is synthetic oil made from? Crude oil, exactly the same stuff regular oil is made from. The process is slightly different though and the mix of "anes" is much smaller. |
#65
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synthetic motor oil
On 2/4/16 11:09 AM, Tony Hwang wrote:
Wade Garrett wrote: On 2/3/16 8:17 PM, wrote: On Wed, 3 Feb 2016 19:57:23 -0500, Ed Pawlowski wrote: I never changed oil in my '53 Mercury flathead V-8. Just added a quart every few hundred miles. I had a 67 Chevelle like that. "Fill up the oil and check the gas" +1 on my trusty '66 Beetle. When I eventually sold it (back in the 70's), one of the clerks in the company where I worked wanted to buy it. I warned her about the oil burning and gave her a really righteous near-give away price on it. I cautioned her emphatically and repeatedly to check the oil at every gas up- telling her what would happen if she didn't. A month or so after she bought it, she marched into my office and demanded her money back because the engine had seized up. When I asked her about checking the oil, predictably she admitted she hadn't- saying she didn't think she really needed to despite my warnings. I told her I was sorry but since she hadn't taken care of the vehicle and done what I literally told her to do a half dozen times- including even writing it on the bill of sale, the problem was hers, not mine. Not surprisingly, opinion around the water cooler ran against me- slick talking white boy taking unfair advantage and ripping off a "sistuh." You broke a rule. Never sell anything to friends/relatives. Don't even give something free. Yup, and that was the last time I ever did that! -- It takes 20 years to build a reputation and five minutes to ruin it. If you think about that, you’ll do things differently. -Warren Buffett |
#66
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synthetic motor oil
On Wed, 03 Feb 2016 23:30:51 -0500, wrote:
On Wed, 03 Feb 2016 21:05:21 -0600, wrote: Mouse Milk ? WTF is that? General term for any of those "miracle in a can" things they sell people Actually there IS a product sold with the brand "mouse milk" - it is a very fine penetrant that seems to be known only to aircraft mechanics. I don't know the manudacturer offhand but I'll try to look it up. It is available from Aircraft Spruce. Also see www.mousemilk.com You can buy it from Anazon http://www.amazon.com/Mouse-Milk-8-o.../dp/B0049C7170 It appears to be an unusual penetrating oil that is not effected by heat. "Mouse Milk Oil is Recommended by AiResearch, Continental, Lycoming, Beechcraft, and Cessna for use in freeing turbine waste gate shafts." From their advertising:: "Mouse Milk Penetrating Oil. Muscle in a hustle... for speedy help in the removal of rusted and frozen studs. MOUSE MILK frees up cables, slides, linkages and bolts. MOUSE MILK is unequalled wherever a lubricant or penetrant is required. MOUSE MILK will dissolve rust, relieve friction and resist oxidation. MOUSE MILK has amazing creeping ability. Frozen nuts and bolts can be easily loosened and removed after allowing MOUSE MILK to creep down the threads and break up the rust and corrosion" It's a bit over a buck an ounce in US funds - so definitely not cheap. |
#67
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synthetic motor oil
On Thu, 04 Feb 2016 00:13:35 -0500, wrote:
On Wed, 03 Feb 2016 23:39:52 -0500, wrote: On Wed, 03 Feb 2016 20:17:38 -0500, wrote: On Wed, 3 Feb 2016 19:57:23 -0500, Ed Pawlowski wrote: I never changed oil in my '53 Mercury flathead V-8. Just added a quart every few hundred miles. I had a 67 Chevelle like that. "Fill up the oil and check the gas" My first car - 1961 Morris Mini 850 -got 50mpg of gas and 25 miles per quart of #50 with 2 or 3 cans of STP in it before I rebuilt it. When I took the exhaust off and stood it in the corner of the shop thick tarry oil oozed out the tailpipe. I had a LeBaron that was eating a quart of oil per tank of gas at around 150k. It wasn't dripping and it wasn't smoking. I was not sure where it was going. Had the same problem with my 1988 New Yorker (3.0 Mitsu-****ty). When the catalytic converter started rattling and the car didn't pass emissions I found out where the oil was going. When I dropped the cat you could hardly see the car for smoke. (wallered out valve guides was the cause) |
#68
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synthetic motor oil
On 02/04/2016 2:25 PM, TimR wrote:
On Wednesday, February 3, 2016 at 10:06:30 PM UTC-5, wrote: By the way, what is synthetic oil made from? Crude oil, exactly the same stuff regular oil is made from. The process is slightly different though and the mix of "anes" is much smaller. AFAIK all the current commercial motor oils are processed crude as noted but I'd say it's more than a "just slightly" different process. There are fully-synthetic oils purposes but they're far more expensive yet... -- |
#69
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synthetic motor oil
wrote in message ... . The rest of the wrenching did not change much. The reality is, a lot of it like the good old "tune up" just went away. Plugs last pretty much the life of the car for most people and there are no points to burn. Timing is fixed and there is no carb to adjust. If they just put a little access door to check/add oil and water, you could bolt the hood shut. That is about right for most cars up to atleast 100,000 miles. Change oil and check on the water and other fluids. I had a 91 toyota that I changed oil twice a year and the factory said change the timming belt every so many miles. I did have the water pump changed at the same time as it is under all the covering and driven by the timming belt. Breaks, tires and a sensor was all that I did to it in 200,000 miles. I did replace the plugs, coil and wires while trying to find out what was causing the problem at 120,000 miles. |
#70
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synthetic motor oil
On Thu, 04 Feb 2016 16:18:08 -0500, wrote:
On Thu, 04 Feb 2016 00:13:35 -0500, wrote: I had a LeBaron that was eating a quart of oil per tank of gas at around 150k. It wasn't dripping and it wasn't smoking. I was not sure where it was going. Had the same problem with my 1988 New Yorker (3.0 Mitsu-****ty). When the catalytic converter started rattling and the car didn't pass emissions I found out where the oil was going. When I dropped the cat you could hardly see the car for smoke. (wallered out valve guides was the cause) Same basic engine I imagine and I suspected the same cause. I traded it on the Prelude and never looked back. I did pass up on offers to sell it to a couple neighbors ;-) |
#71
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synthetic motor oil
On Thu, 4 Feb 2016 16:37:09 -0500, "Ralph Mowery"
wrote: wrote in message .. . . The rest of the wrenching did not change much. The reality is, a lot of it like the good old "tune up" just went away. Plugs last pretty much the life of the car for most people and there are no points to burn. Timing is fixed and there is no carb to adjust. If they just put a little access door to check/add oil and water, you could bolt the hood shut. That is about right for most cars up to atleast 100,000 miles. Change oil and check on the water and other fluids. I had a 91 toyota that I changed oil twice a year and the factory said change the timming belt every so many miles. I did have the water pump changed at the same time as it is under all the covering and driven by the timming belt. Breaks, tires and a sensor was all that I did to it in 200,000 miles. I did replace the plugs, coil and wires while trying to find out what was causing the problem at 120,000 miles. Honda bundles a lot of stuff into their $1000 belt job. I am not sure if I got plugs or not but I never replaced them. |
#72
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synthetic motor oil
posted for all of us...
On Wed, 3 Feb 2016 16:38:14 -0500, Tekkie® wrote: posted for all of us... On Tue, 02 Feb 2016 15:22:29 -0500, wrote: On Tue, 2 Feb 2016 19:27:22 +0000 (UTC), "badgolferman" wrote: I have owned Toyotas for the past 30 years and been very happy with them. I buy my cars used, typically 4-5 years old and keep them for 4-5 years or when they get near 200,000 miles. In each case I change my own oil because it's cheaper, I can use the oil and filter I want, and I don't trust the garages. Last spring I bought a used 2013 Lexus RX350 with 16,000 miles. The Lexus dealer had put synthetic Mobil 1 oil in it upon delivery and also at the first free oil change 10,000 miles later. This past weekend I was due for another oil change at 35,000 miles and did it myself this time. I decided to go with Pennzoil Platinum Pure Plus 0W-20 after researching synthetic oils. The Toyota oil filter came from Lexus and the oil from Walmart. Total cost was under $47 for the filter and seven quarts of oil. Maybe it's my imagination or the effect of new oil, but I must say the engine sounds quieter and my average gas mileage has climbed by a mile a gallon. Other than extended oil change intervals has anyone noticed a difference when switching from conventional to synthetic motor oils? Have you noticed a difference between different brands of oils? I think some people obsess about oil a lot more than is necessary. Change it every once in a while and use any API rated oil, you will be fine. 99.99% of cars are junked for thinks other than oil related failure and most people are not really that diligent about oil, particularly the 2d and 3d owner of the car. If you really want to see people who obsess about oil, go to one of the boating BBs. They act like Yamaha and OMC have their own refinery somewhere pumping out this $8-10 a quart magical formula oil. Anyone who believes all oils are the same is very delusional. And anyone who thinks changing the oil on a reasonable schedule is wastefull is just fooling themselves. Oil is the lifeblood of the engine. It lubricates, cools, and cleans the moving surfaces of the engine, preventing, or at least greatly reducing both wear and corrosion. Anyone who has worked extensively on engines can tell you what a neglected engine looks like, and can tell the neglected from the well maintained with his eyes closed. A case I saw when I was wrenching was the boss called me over and wanted to show me something. A Mustang with half a block missing. She got 22k out of it without changing oil... Change oil? wuz dat? Or all the Chryslers, Toyotas, VWs etc with the "coking" problem a few years back. Not a single one was a vehicle that followed the "extreme conditions" oil schedule with synthetic oil. Not a SINGLE ONE. This was before the coking ; just an example as to cite. It was around 1975 IIRC. IIRC Scramsoil was the only synthetic at that time. My memory foggy.... -- Tekkie |
#73
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synthetic motor oil
dpb wrote:
On 02/04/2016 2:25 PM, TimR wrote: On Wednesday, February 3, 2016 at 10:06:30 PM UTC-5, wrote: By the way, what is synthetic oil made from? Crude oil, exactly the same stuff regular oil is made from. The process is slightly different though and the mix of "anes" is much smaller. AFAIK all the current commercial motor oils are processed crude as noted but I'd say it's more than a "just slightly" different process. There are fully-synthetic oils purposes but they're far more expensive yet... -- Pennzoil Pure Platinum Plus is made from natural gas. Most of the other synthetic oils are made from a blend of conventional and very refined oils. Castrol was sued by Mobil for false advertisement for their blends but the judge sided with Castrol. |
#74
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synthetic motor oil
Wade Garrett posted for all of us...
On 2/3/16 8:17 PM, wrote: On Wed, 3 Feb 2016 19:57:23 -0500, Ed Pawlowski wrote: I never changed oil in my '53 Mercury flathead V-8. Just added a quart every few hundred miles. I had a 67 Chevelle like that. "Fill up the oil and check the gas" +1 on my trusty '66 Beetle. When I eventually sold it (back in the 70's), one of the clerks in the company where I worked wanted to buy it. I warned her about the oil burning and gave her a really righteous near-give away price on it. I cautioned her emphatically and repeatedly to check the oil at every gas up- telling her what would happen if she didn't. A month or so after she bought it, she marched into my office and demanded her money back because the engine had seized up. When I asked her about checking the oil, predictably she admitted she hadn't- saying she didn't think she really needed to despite my warnings. I told her I was sorry but since she hadn't taken care of the vehicle and done what I literally told her to do a half dozen times- including even writing it on the bill of sale, the problem was hers, not mine. Not surprisingly, opinion around the water cooler ran against me- slick talking white boy taking unfair advantage and ripping off a "sistuh." That is why I never do business with coworkers, friends or neighbors. Selective memory. -- Tekkie |
#75
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synthetic motor oil
On Thu, 04 Feb 2016 16:51:07 -0500, wrote:
On Thu, 04 Feb 2016 16:18:08 -0500, wrote: On Thu, 04 Feb 2016 00:13:35 -0500, wrote: I had a LeBaron that was eating a quart of oil per tank of gas at around 150k. It wasn't dripping and it wasn't smoking. I was not sure where it was going. Had the same problem with my 1988 New Yorker (3.0 Mitsu-****ty). When the catalytic converter started rattling and the car didn't pass emissions I found out where the oil was going. When I dropped the cat you could hardly see the car for smoke. (wallered out valve guides was the cause) Same basic engine I imagine and I suspected the same cause. I traded it on the Prelude and never looked back. I did pass up on offers to sell it to a couple neighbors ;-) Mine had the heads replaced by Chrysler under extended warranty at just under 100,000km because the guides were loose in the head - just before I bought it. I replaced the heads again at 200,000KM when the oil killed the cat - and I sold it at about 244,000 for $1700. Bought it 6 years old for about $6000 - spent under $2000 in repairs over 12 years and 140000+kms - that car didn't owe me a cent when I got rid of it and I still got good money for it. (Mark Cross edition - loaded with everything you could get on it - the original owner left over $50,000 behind at the dealership) |
#76
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synthetic motor oil
posted for all of us...
On Wed, 3 Feb 2016 16:38:14 -0500, Tekkie® wrote: posted for all of us... On Tue, 02 Feb 2016 15:22:29 -0500, wrote: On Tue, 2 Feb 2016 19:27:22 +0000 (UTC), "badgolferman" wrote: I have owned Toyotas for the past 30 years and been very happy with them. I buy my cars used, typically 4-5 years old and keep them for 4-5 years or when they get near 200,000 miles. In each case I change my own oil because it's cheaper, I can use the oil and filter I want, and I don't trust the garages. Last spring I bought a used 2013 Lexus RX350 with 16,000 miles. The Lexus dealer had put synthetic Mobil 1 oil in it upon delivery and also at the first free oil change 10,000 miles later. This past weekend I was due for another oil change at 35,000 miles and did it myself this time. I decided to go with Pennzoil Platinum Pure Plus 0W-20 after researching synthetic oils. The Toyota oil filter came from Lexus and the oil from Walmart. Total cost was under $47 for the filter and seven quarts of oil. Maybe it's my imagination or the effect of new oil, but I must say the engine sounds quieter and my average gas mileage has climbed by a mile a gallon. Other than extended oil change intervals has anyone noticed a difference when switching from conventional to synthetic motor oils? Have you noticed a difference between different brands of oils? I think some people obsess about oil a lot more than is necessary. Change it every once in a while and use any API rated oil, you will be fine. 99.99% of cars are junked for thinks other than oil related failure and most people are not really that diligent about oil, particularly the 2d and 3d owner of the car. If you really want to see people who obsess about oil, go to one of the boating BBs. They act like Yamaha and OMC have their own refinery somewhere pumping out this $8-10 a quart magical formula oil. Anyone who believes all oils are the same is very delusional. And anyone who thinks changing the oil on a reasonable schedule is wastefull is just fooling themselves. Oil is the lifeblood of the engine. It lubricates, cools, and cleans the moving surfaces of the engine, preventing, or at least greatly reducing both wear and corrosion. Anyone who has worked extensively on engines can tell you what a neglected engine looks like, and can tell the neglected from the well maintained with his eyes closed. A case I saw when I was wrenching was the boss called me over and wanted to show me something. A Mustang with half a block missing. She got 22k out of it without changing oil... Change oil? wuz dat? That wasn't all she did wrong. How was the oil light on? I don't have the history what she did... It could have had the original break-in oil still there. WE towed it to our bay and I don't know the end result. -- Tekkie |
#77
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#78
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#79
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#80
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synthetic motor oil
On Thu, 4 Feb 2016 17:01:02 -0500, Tekkie® wrote:
posted for all of us... On Wed, 3 Feb 2016 16:38:14 -0500, Tekkie® wrote: posted for all of us... On Tue, 02 Feb 2016 15:22:29 -0500, wrote: On Tue, 2 Feb 2016 19:27:22 +0000 (UTC), "badgolferman" wrote: I have owned Toyotas for the past 30 years and been very happy with them. I buy my cars used, typically 4-5 years old and keep them for 4-5 years or when they get near 200,000 miles. In each case I change my own oil because it's cheaper, I can use the oil and filter I want, and I don't trust the garages. Last spring I bought a used 2013 Lexus RX350 with 16,000 miles. The Lexus dealer had put synthetic Mobil 1 oil in it upon delivery and also at the first free oil change 10,000 miles later. This past weekend I was due for another oil change at 35,000 miles and did it myself this time. I decided to go with Pennzoil Platinum Pure Plus 0W-20 after researching synthetic oils. The Toyota oil filter came from Lexus and the oil from Walmart. Total cost was under $47 for the filter and seven quarts of oil. Maybe it's my imagination or the effect of new oil, but I must say the engine sounds quieter and my average gas mileage has climbed by a mile a gallon. Other than extended oil change intervals has anyone noticed a difference when switching from conventional to synthetic motor oils? Have you noticed a difference between different brands of oils? I think some people obsess about oil a lot more than is necessary. Change it every once in a while and use any API rated oil, you will be fine. 99.99% of cars are junked for thinks other than oil related failure and most people are not really that diligent about oil, particularly the 2d and 3d owner of the car. If you really want to see people who obsess about oil, go to one of the boating BBs. They act like Yamaha and OMC have their own refinery somewhere pumping out this $8-10 a quart magical formula oil. Anyone who believes all oils are the same is very delusional. And anyone who thinks changing the oil on a reasonable schedule is wastefull is just fooling themselves. Oil is the lifeblood of the engine. It lubricates, cools, and cleans the moving surfaces of the engine, preventing, or at least greatly reducing both wear and corrosion. Anyone who has worked extensively on engines can tell you what a neglected engine looks like, and can tell the neglected from the well maintained with his eyes closed. A case I saw when I was wrenching was the boss called me over and wanted to show me something. A Mustang with half a block missing. She got 22k out of it without changing oil... Change oil? wuz dat? Or all the Chryslers, Toyotas, VWs etc with the "coking" problem a few years back. Not a single one was a vehicle that followed the "extreme conditions" oil schedule with synthetic oil. Not a SINGLE ONE. This was before the coking ; just an example as to cite. It was around 1975 IIRC. IIRC Scramsoil was the only synthetic at that time. My memory foggy... My brother bought a 1965 Valliant back around 1970 or 1971.. 4 door sedan, automatic trans, 225 slant six - a real "ceam puff" with low mileage - somewhere around 65000 miles as I recall, but the valves were just a bit noisy so he decided I should adjust the valves for him. When we got the valve cover bolts removed it took a rubber mallet to get the rocker cover off, and you could hardly find the rockers and valve springs for all the crud in there. It looked like the only oil change it had ever had was the one done just before my brother bought it. We scraped out as much crud as we could, then washed it down with kerosene and I adjusted the valves. We changed the oil before he left, but in hindsight we should likely have run it for about 20 minutes and changed it again (and mabee even run it with kerosene in the crankcase for a short while). He didn't make the 10 mles home before the oil light came on and the engine made a very large rattle. When I pulled the motor out the next week, the oil pickup screen was totally plugged with crud that had washed down from the rocker area.. Not too much was salvageable. Found out ONE thing that could kill a slant six - - -. |
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