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Been reading and watching videos about bore scoring. The prospect of it — and low-miles engines are not exempt by any means, according to... Charles Navarro, I think it was — makes my hair stand on end. I'm almost afraid to pull the sump cover and have a look with a borescope. But I'll do it. And if I see any evidence of scoring or the beginning of it, I will switch to oil with high-temperature, high-sheer (HTHS) viscosity and with high levels of molybdenum disulfide, a.k.a. Moly. Which, according to Navarro and motor-oil expert Lake Speed Jr., will tend to protect a bore's surface and minimize the scoring's effects. That said, I'm hoping the cylinder walls of my 39K-mile M96 will be stunningly pristine. It could happen.
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2000 986 base
Arctic Silver/black
2.7 liter
5-speed manual
Last edited by LoneWolfGal; 02-01-2025 at 01:50 PM.
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