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Car Forum / Volvo Cars / July 2005Should I run synthetic oil in my '92 240?
I have been pondering switching it over. It has 145K miles on it, and I bought it at 65K miles. Good car. I change the oil every 3 to 4 thousand miles. It uses a half-quart or so between changes, though I did just have the front seal done with the timing belt, so that may go down. Would switching to something like Mobil One do any good? Any harm? I'd probably extend the service interval out to 5K miles to offset the cost. I've been told that's fine with sythetic oil. Thoughts...? -jeff > I have been pondering switching it over. It has 145K miles on it, and I > bought it at 65K miles. Good car. I change the oil every 3 to 4 thousand [quoted text clipped - 4 lines] > probably extend the service interval out to 5K miles to offset the cost. > I've been told that's fine with sythetic oil. Thoughts...? I run synthetic in my turbos, but the N/A cars get ordinary oil, there's simply no significant benefit of using synthetic in them, the engines will already last until the rest of the car crumbles so long as you keep up reasonable maintenance. 5k oil changes are fine with normal oil if you use a quality filter and do a lot of highway driving. >I have been pondering switching it over. It has 145K miles on it, and I > bought it at 65K miles. Good car. I change the oil every 3 to 4 thousand [quoted text clipped - 6 lines] > > -jeff This question generates so much "religious" discussion that my best answer is "I changed to synthetic to keep the crankcase ventilation and intake system deposits down, but to each their own." Mike ('85 765T, 236K miles) >I have been pondering switching it over. It has 145K miles on it, and I > bought it at 65K miles. Good car. I change the oil every 3 to 4 thousand [quoted text clipped - 6 lines] > > -jeff I use full syntetic oil in my cars, no one is turbo. I do not buy anything as expensive as Mobile one. My Volvos are: 140 -71, 480 000 km, not in use 740 -85, 480 000 km, full synt since new V70 -00, 190 000 km. One reason full synt here in Sweden is the winter, big difference when temperture goes down to -25 C. >> I have been pondering switching it over. It has 145K miles on it, and I >> bought it at 65K miles. [quoted text clipped - 10 lines] > One reason full synt here in Sweden is the winter, big difference when > temperture goes down to -25 C. Yes, I switched my Jeep to synthetic for just that reason: it gets really, really cold up where we hunt elk in October/November, and it just killed me to think of how thick my oil must be when I was starting the thing up one morning at 4:30 am at -22 degrees F! I am getting mixed reports on the benefit of switching the Volvo, though. I have a case of dinosaur oil in the shop; that'll last me a couple more changes... -jeff > Yes, I switched my Jeep to synthetic for just that reason: it gets really, > really cold up where we hunt elk in October/November, and it just killed me [quoted text clipped - 6 lines] > > -jeff Extreme cold is one thing that might give you a benefit to synthetic, it's something I hadn't considered given the mild climate where I am. > I have been pondering switching it over. It has 145K miles on it, and I > bought it at 65K miles. Good car. I change the oil every 3 to 4 thousand [quoted text clipped - 4 lines] > probably extend the service interval out to 5K miles to offset the cost. > I've been told that's fine with sythetic oil. Thoughts...? With regular oil changes (using dino oil) and maintenance (coolant flush once a year or once in two years), these engines have been known to be good for well over 200,000 miles. There are several examples of red-block engines going over 300,000 miles. These engines are basically bullet-proof, and the year of your car indicates it has the last version of the B230 that Volvo made. My suggestion would be to continue using dino oil, and use the money you save to keep the rest of the car in good repair. I personally think that synthetic oil is of greater value in the newer allow engines. Beverly  SignatureMany a smale maketh a grate -- Geoffrey Chaucer > With regular oil changes (using dino oil) and maintenance (coolant flush > once a year or once in two years), these engines have been known to be [quoted text clipped - 12 lines] > > Beverly I have never used coolant flush. Is this very bad? Havent experienced any problems. /aw > I have never used coolant flush. Is this very bad? Havent experienced any > problems. I have always flushed my coolant every 2 years or 20,000 miles. I think this is a good practise. You don't want corrosion picked up by the coolant to deposit in the cylinder head or engine block. Also, coolant does degrade over time, which is more a problem for alloy block engines than the old red-blocks. This is not an expensive service, or very difficult to do. Beverly SignatureMany a smale maketh a grate -- Geoffrey Chaucer > I have been pondering switching it over. It has 145K miles on it, and I > bought it at 65K miles. Good car. I change the oil every 3 to 4 thousand [quoted text clipped - 4 lines] > probably extend the service interval out to 5K miles to offset the cost. > I've been told that's fine with synthetic oil. Thoughts...? _____ Yes. Mobil-1 5W30 or a heavier grade will be fine. I have now used this product for one year and i have not noticed any adverse effects. My 1989 240 sedan has 235,000 km on the clock. You will extend engine life dramatically, and change intervals (oil and filter) will be 40,000 km (25,000 miles) ! I also put Red Line's products in the tranny and differential. If you want more details, contact Mr. Bryant <tbryantATsuscom-maine.net>. / jch I use Red Line 10W30 Synthetic in my 81 245. When I switched to synthetic it developed a couple leaks, I fixed them and it runs better than ever now. Acceleration is better, there is less engine noise and mileage is better by more than 10%. Red Line is available from IPD. The downside is the $7.95/Quart price. >I have been pondering switching it over. It has 145K miles on it, and I >bought it at 65K miles. Good car. I change the oil every 3 to 4 thousand [quoted text clipped - 6 lines] > >-jeff > I use Red Line 10W30 Synthetic in my 81 245. When I switched to > synthetic it developed a couple leaks, I fixed them and it runs better > than ever now. Acceleration is better, there is less engine noise and > mileage is better by more than 10%. Red Line is available from IPD. > The downside is the $7.95/Quart price. It's available at a local autoparts store here called B&B too, cheaper but still not cheap. I switched over synthetic oil as soon as we got our Volvos its quieter use little oil between changes but its $64.95 for 5 litres @ 5w 50w the good stuff 10 w 30w is in the high $80s Australian dollars >I use Red Line 10W30 Synthetic in my 81 245. When I switched to > synthetic it developed a couple leaks, I fixed them and it runs better [quoted text clipped - 12 lines] >> >>-jeff Mobil one $63.95 AU for 5 litres >I switched over synthetic oil as soon as we got our Volvos its quieter use >little oil between changes but its $64.95 for 5 litres @ 5w 50w the good [quoted text clipped - 17 lines] >>> >>>-jeff |
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