Tom and Ray: On a recent show, you recommended usage of any of the popular engine oil additives to fix a noisy valve lifter. I think you mentioned Marvel Mystery Oil by name. Since my '96 Dodge Ram has what sounds like a noisy lifter, I purchased that product. However, today I read an article fr…

When I was in the Navy, I got a tour of duty in a staff command. While there, I submitted a point paper for a change in the rating structure. Now I was not the first person to have this idea, I’d been hearing from many people for the 14 years I had been in by then, but I was the first to submit th…

keith’s right, it might work, probably won’t, but since you already have it you might as well try it. Just make sure you follow directions and don’t over fill the oil. Also, Tom and Ray don’t answer questions here, just us car folk.

I recall that program. The caller stated his engine had not been operated in a long time and now it sounded noisy. Ton & Ray suggested he first try an oil additive. Which one? “Anything that has the word “miracle” on its packaging!” After his brother snorted a few laughs, Ray named Rislone as …

I have a 1972 Cub Low Boy 154. It has the C60 flat 4 cly. engine. I used Marvel oil in it. I had 1 cly that was using oil bad. Fouled the spark with oil. The guys on the tractor forum said to try it. I did and it worked. It took 2 oil changes for it to work. I use Lucas oil treatment in my truck. I…

Thanks, guys. Excellent advice from all. I’ll give the Mystery Oil a try and report back to you.

I am very skeptical of most engine oil additives but have had some luck quieting a noisy lifter with CD2 Oil Detergent with the partially black label or Gunk ValveMedic valve treatment.

Oil additives for noisy valve lifter

The Show

Rod-Knox September 14, 2011, 5:56pm 8

Bardhal, Rislone, Marvel Mystery Oil, CD2, Wynn’s Friction Proofing and others that slip my mind have on occasion proved successful in freeing sticky lifters, valve stems and piston rings. Of course if the engines had been properly maintained most would never require such additives.

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Oil additives for noisy valve lifter

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