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Synthetic oil in older cars, what's the real story
Originally Posted By: FZ1 More likely to leak with syn. What facts do you have to backup that claim?- PDX_Matt
- Post #33
- Forum: Passenger Car Motor Oil (PCMO) - Gasoline Vehicles
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Synthetic oil in older cars, what's the real story
Originally Posted By: expat "I have heard this from a lot of places, not just about the 620 but older cars in particular. Synthetics are supposedly "thinner and more slippery" causing leaks in older cars." I think a 10w-40 synthetic is just about as thin as a 10w-40 conventional. How do you...- PDX_Matt
- Post #24
- Forum: Passenger Car Motor Oil (PCMO) - Gasoline Vehicles
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Synthetic oil in older cars, what's the real story
Long time reader of the forum but new member. This thread is brought on by something that I've been curious about for awhile. Recently purchased a 76 Datsun 620 pickup with roughly 115k miles on the original engine. I am also on a Datsun forum where I am logging the progress with the truck. A...- PDX_Matt
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- Replies: 36
- Forum: Passenger Car Motor Oil (PCMO) - Gasoline Vehicles