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1990 4Runner V6 w/ 205,000 miles. Should I switch to synthetic oil?
#9
Any benefits of reduced engine wear due to less friction would have been better realized back when it was new and tolerances were tighter. So no, I'd not bother myself. I don't think it'll make it last any longer than dino oil. Even without synthetic, if it's been well cared for it should go a long time. Bought my Honda with 225K and I expect to not see significantly reduced compression, valve blow-by or ringwear for at least another 100K. And that's without knowing its history prior to 225K.
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Re: 1990 4Runner V6 w/ 205,000 miles. Should I switch to synthetic oil? - by deckeda - 01-23-2009, 06:37 AM

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