However, I switched the above mentioned Mustang to synthetic at 145K miles and noticed nothing adverse. • Then there are the premium synthetic oils from mainstream Oil Companies and from Companies that only sell premium synthetic oils, who try to get you to buy their extra expensive motor oil, by saying you can use extra long oil change intervals, such as anywhere from 15,000 to 25,000 miles, or even annually. At 3000 miles, I changed over to full synthetic Royal Purple 5w20 and a Wix filter. It had minor startup valve lash. I change over to synthetic with all the cars I have bought and have never had any problems. My Jeep was manufactured during the time that a bunch of the New Wranglers with the 3.6L's were having issues with ticking heads. I'd say running a synthetic for 7.5k is probably just fine unless you beat the crap out of the motor. Forget the synthetic oil filter if your not going to change it at the same time as your engine oil, which is every year. It has 15,000 miles on it now. See here. I am pretty sure i have no leaks , but I'm sure I'll will find out if i switch from regular oil to synthetic. I switched at 60k myself and I did the semi-syn . This is why you need to consider switching to synthetic oil after 100k miles. I've been pondering switching to 5W-40 synthetic for the last year since its been out . With the conventional, I would lose a quart (burned) about every 3-4000 miles. Would switching over to a 10w40 high mileage oil like Mobil 1 Super High Mileage 10w40 . To minimize any adverse affects, try changing the oil the 1st time after replacing with synthetic at no more than 2000 miles. I recently bought a 2002 Toyota Tacoma 4x4 with the 2.7L 4 cylinder (3RZ). • Jump right in and simply change the oil. The oil light came on for a moment, so I checked the dipstick and the oil was halfway below the lowest dot mark. When I buy a used car in the future and switch to synthetic oil, I will add a bottle of AT-205. No smoke, no leaks. I have an '04 4Runner with almost 100k miles and dealer said conventional only. I run Motorcraft half blend 10w-30 in my truck and after pulling the engine apart and seeing the cylinder wear, I dont plan on changing a thing. I put back the FORD recommended oil and filter. In this video, I tell you why you should not switch to synthetic oil if you have been using conventional oil in your car for a while. Oct 15, 2019. I used full synthetic oil in a Plymouth Neon. My tacoma has around 200k miles on it with oil changes at 7500 and I have never had an engine related issue and the compression is still spot on. The reality is not like that at all. Today, we will explore whether switching to synthetic oil after 100k miles is safe or not for your car. Again, if it makes you feel good, have at it. I don't doubt your claims. You can stay tension free for up to a year. Obviously this is a higher mileage truck, and I am hoping for it to last me at least to 400,000. Many people make the mi. I am a mechanic, I know that changing to a synthetic after the engine bearings have been worn by mineral deposits in the regular oil will cause the Big End Bearing (where the conrods attach to the crankshaft) to wear and break. No kidding. My Jeep was manufactured during the time that a bunch of the New Wranglers with the 3.6L's were having issues with ticking heads. If I was to use mobil 1 . For high mileage and older vehicles, high mileage oil works great for helping leaks. Even with regular Mobil 1, you can easily get 10,000 between changes, with 5,000 filter changes, or at the very least 6,000 changes with 3,000 . Anybody has 200k+, switch engine oil to Honda semi synthetic or mobil synthetic 5w-20. hardened seals and gaskets can cause cars to leak oil. It's still a gamble when you switch to synthetic at or near 100K miles. Whatever you do don't use the high milage oils, they mess up your seals good as they "help keep the engine sealed" by making the seals swell and if you switch to any other type of oil, dino or synthetic, the seals un-swell and you have leaks. You could even fill your reservoir with five . You bet. . TuRDs/c. It used 1/2 a quart.. bfhhxt0, if I was in your situation, with my current experience . After logging120K miles the car started to consume oil at an alarming rate. After 20,000 miles, full synthetic will have barely broken down but semi-synth at 20,000 will have lost some of its properties. You should be able to switch back to regular oil with no problems. I've used Castrol EDGE (Formerly Syntec). All oils these days are way better than they were 15 years ago. As long as your engine's seals are in decent shape, you can switch back and forth to your heart's content. (motor does not get hot enough to boil off the moisture) That might be the only reason to change the oil. I have personally seen well maintained mineral oiled engines with 150-200k miles with the bearings still in spec, and the cross hatching still intact. I run Dino oil 10W/30 in my Chevy truck and change it around 4000 miles. Engine! My '90 LX has 320K miles and I switched to 10w/30 Castrol synthetic at 225K miles. I've used Castrol EDGE (Formerly Syntec). They spend $3000 in oil to preserve a $2000. I was thinking for my next oil change, I switch to synthetic. Re: switching to full synthetic oil. Answer (1 of 3): "I have a car with over 200k miles but I want to switch engine oil from 20W50 (previous owner used it since new) to 15W40. However none of this occurs with synthetic oil, and you can afford to extend your oil change period to more than 3000-mile intervals if you use synthetic oil. I must be the villiage idiot here. This means synthetic oil is longer lasting when compared to mineral oil. I went 11,000 miles the last change (1000 over what the Maintenance Minder said as I was on a long trip when the Minder hit zero), then had that oil sent to Blackstone Labs for testing. I do not. however i just need some help with the most effective. Did the switch I switched to synthetic at 187,000 miles two months ago. Bought it out of Hickory and it was always serviced at Mike Johnson Toyota in Hickory as per CarFax. I do take it a few miles a couple times a week to exercise the engine. South Carolina. The sticker in the windshield makes me think synthetic oil was not used. Posts: 28. Feb 13, 2011. After the basic warranty expired, I switched to the Mobil 1 Extended 10W-30 with again NAPA Gold filters, but with a filter change and add a quart at 7500 miles, then at 15,000 change the filter and oil. After the change I could smell the scent of oil burning for abut the first 500 miles. Concerned, I switched to a semi-synthetic oil that was more full-bodied and the consumption stopped. Many people make the mi. Or, dust off your drain pan and do it yourself. Would switching over to a 10w40 high mileage oil like Mobil 1 Super High Mileage 10w40 . Did the same thing at 500 miles and again at 1000 miles. That being said, the OP's 5.3L chevy engine will make it to 200k miles running any oil off of the Advanced Auto parts 10w-30 oil shelf you put in there with regular oil changes. I switched the VW from conventional to full-synthetic and was burning oil like you would not believe for the first few hundred miles because the better oil dissolved the false . I have personally seen well maintained mineral oiled engines with 150-200k miles with the bearings still in spec, and the cross hatching still intact. Second, its never too late to switch to synthetic or back to conventional, as long as you are using the correct viscosity. I will say I do sware by synthetic, I ran my Ranger out once and didnt hurt it. I would like to switch to Mobil 1. According to my manual I should change the oil every 7,000 miles and it has an indicator light when it's time to change the oil. You are over thinking the topic. The automotive community continues to debate whether switching to synthetic oil in older cars is beneficial or risky. when you change it. 5,000. cause some say "go thicker". But changing every 3000K you should see around the same results. You will need extra oil to add to the new filter at 8,000 - 9,000 mi. I bought my 2001 Pathfinder with 135k miles on it. I've been running synthetic oil in it since I've had it. The truck has 186k miles on it and was a one owner. I switched the diff gear oil to synthetic as well. To know the best oil for car with over 200000 miles driven, first need to evaluate the engine conditions, climate and your budget before choosing the right oil.. To choose the right oil which oil technology you want to use in your engine either synthetic or non-synthetic, a detail topic in which switching to synthetic from non-synthetic would be very helpful for you if you want synthetic oil. 1997 528i 200k miles cars runs great ,time for an oil change and i want to do synthetic from now on. Wait more than 6 months between oil changes. Thus, this prevents potential engine failure. Becoming Synthetic I use Mobil 1 0W-20 and a Mobil 1 filter. I switched back and forth many times over the next 6 years of ownership. I think my next change at 95k may get the synthetic switch. It has 250,000 miles on it and uses no oil (well, maybe 1/2 quart) between changes. Synth usually won't cause leaks, but running conventional forever will cover the seals in varnish. Synthetic motor oil protects your engine. do read between the line. In the first engine oil change, I used my stock engine oil 10W-30, after 3000 miles drive, the engine is getting louder. It hasn't used or leaked a drop so far. In this video, I tell you why you should not switch to synthetic oil if you have been using conventional oil in your car for a while. It has the 8.1 Vortec engine. Never used a drop of oil the rest of it's life. Since switching to synthetic, and especially after switching to M1 oil filters, the startup valve lash is mostly gone. While normal lubricants have maximum efficiency for 3000 to 5000 miles, royal purple oil, being a synthetic engine oil, can last for up to 12000 miles or a year or whichever comes first. Shear is not an issue. I did an oil and filter change at 100 miles, getting the initial break-in oil out of the engine. The filter is only good for 8,000 - 9,000 mi. I've used full synthetic in my '12 JKU since I first got it. As long as you take oil samples every few thousand miles and change the filter every 3,000-5,000 miles, being sure to top off the oil level because the filter will take some oil with it. They then shrivel up and become useless. I just bought my 2000 with 92,000 miles on it. Another thing I heard is that when switching to synthetic for the 1st time. ! 10,000. Many years ago, I changed my 1994 Hyundai Excel to full synthetic, and it was still running like new at almost 400K miles when I sold it. The reason I ask is that, my dealer claims I can get 1 to 2 MPG increase if I switch to synthetic oil, sounds too good to be true. I have a 2011 honda accord that takes full synthetic 0w-20 oil. Just do the switch, you'll be fine. Even with very hot oil the 40 PSI dino oil is plenty good enough. First, your 2nd gen requires 0w20 synthetic oil so you should only be running synthetic. "In an older vehicle with a bunch of miles on it, switching to synthetic can cause oil leaks." . On the next oil change I was thinking of switching to Synthetic oil. The second is to switch if your older vehicle is beginning to show signs of engine loosening. These are Land Rover engines. I'm about a quart 1 1/2 to 2 quarts low if I don't add anything between oil changes every 3k using 10w40. I changed the oil out for regular dino oil for a short run and then will be switching to a good Group III hydrocracked "synthetic" oil (likely Pennzoil Platinum or Castrol Syntec). I've seen too many mains down to copper in a short period of time after a switch to synthetic in an older motor, more than once from dislodged crap plugging up the oil strainer causing starvation. Jul 30, 2020. 5,000. Take your vehicle to your mechanic or the nearest quick lube and ask for synthetic motor oil. I bought my 02 LB7 with 281000 on it (it was cheap) and now has 286000 miles on it, I would like to switch to synthetic, but I have heard that on higher mileage motors this is a bad idea. Oct 21, 2005. All the while, you increase the longevity of your engine as well. At the last oil change, I switched to Mobil 15W/50 synthetic on the advice of my mechanic since it's obviously an older motor. I always used the John Deere 15W-40 Plus-50II non synthetic oil and get great oil analysis reports. For example, a person might change his or her oil every 3,000 miles with regular oil and only every 5,000 miles with synthetic oil. I After that 30 minutes I went to Mobil 1 10-30 synthetic. And then I switched it to 0~30 Castrol. It does consume some oil and leak some. I'm about a quart 1 1/2 to 2 quarts low if I don't add anything between oil changes every 3k using 10w40. I want to increase my fuel economy and the life of the engine. I have been told by numerous people that switching to synthetic oil in a high mileage engine will cause all my seals to leak. They spend $3000 in oil to preserve a $2000. I think I changed the oil at 2,000. I seafoamed it. There is a TSB stating front and rear differentials can use 75w85 synthetic gear oil in '03 to '08 Runners. You could easily run synthetic engine oil for 10,000 miles, filter it properly and put back in the motor. Switching to synthetic oil is fine .But be sure The oil is the same viscosity as your original oil, specialy if you have a 5.4 3 valve if you switch viscosity the variable cam timing solinoid will not work properly they work off of oil press.& you should not switch back after the change ! In general, synthetic motor oil offers owners of newer cars, trucks, and SUVs multiple benefits, from extending component life to reducing cost of routine maintenance.If you have heard about the benefits of synthetic motor oil in vehicles, you may be inclined to switch. The engineered hydrocarbons in synthetic oil are more resistant to breakdown than natural oil is, helping the . always runs perfect, strong, and totally reliable.. im considering swapping to synthetic oil.not full synthetic. With the synthetic oil, the oil level is down a hair, just a nudge under the full mark, after 3000 miles. My 88 BMW had used 20W-50 for the first 20 years, and I switched it to 5W-40 synthetic with a gain in . Jan 14, 2010. We arent talking about a close tolerance engine here. Synthetic oil typically lasts longer than conventional motor oil, which can reduce overall costs or at least help justify the higher price tag that comes with synthetic oils. We arent talking about a close tolerance engine here. I'm starting to think that the "if you started with conventional, or have many miles, don't switch to synthetic oil!" caution is just a myth. The Valvoline Prem Blue Extreme Synthetic 5w-40 I run in my truck has a good amount of life left in it at 10,000 mi. It does consume some oil and leak some. I'm on my second change, at about 196,000 miles and haven't noticed any changes, engine still isn't leaking or burining more than 1/2 quart per 3000 miles. Real world experience tells me that synthetic will hold it's viscosity better as it gets hot but either one will work. It's still running with over 200K miles today and it doesn't burn oil. Synthetic Oil: Myths & False Information The only true way to switch types of oil is to drain the oil, fill it up with kerosene, drain . Dealer strongly advised against switching as I am second owner and don't know what previous history is exactly. It will still most definitely develop piston slap like most 5.3's do (which doesn't detriment longevity) whether you run synthetic or dino. Even if you drive only occasionally, it's still a good idea to use synthetic oil because . There was a time when 75,000 miles meant that a car was about three-quarters of the way to the junkyard, but 200,000 is the new 100,000 miles for cars. 4. It's got about 198,000 miles with 30% of oil life on the oil life indicator. I switched over with my Tib at 93,000 miles. Motor Oil. A three year old oil filter with 10,000 miles on it. Oil and the oil change industry are the only ones that continue to tout the 3000 mile oil change, which has been obsolete for 30 years. she still has cross hatching in the bores. I'm looking to switch to penzoil platinum in combination with a fram ultra oil filter. The last owner scratched the mileage and date on it for some reason. I've gotten 200k+ miles on far less sophisticated engines using conventional oil with 6k mile oil changes. The synth oil will cause some manufacturer seals to shrink or swell differently than standard oils. Will I get oil leak? I changed the oil there same mobil synthetic and headed on to Oregon and back through yellowstone etc.

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