Lucasoil and Marvel Mystery Oil do work, it's not 'snake oil', ask any mechanic.
I'm a big fan of upper cylinder lubricant. I am also a mechanic.
Lucas makes good shit, their greases are top notch. 👌
Timing chain guides gettin uppity? Lucasoil will calm em down.
The new oil service specification actually has additives to prevent timing chain wear. However no, I have no issues with my chain guides. I have a special timing chain tensioner and it always has adequate hydraulic pressure. Even if the VTEC solenoid leaks, or if my piston oil jets get stuck open, I'll have proper pressure at the chain guide.
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