Tried this in my 4.6 v8 to overcome the loud ticking it had developed before going to a garage for help. Followed the instructions on the bottle, I ran the car for 3 weeks covering 350 miles with very little sign of the problem going. (There was a slight improvement ) So it could work but didn't for me. Try Changing the oil for a thicker more viscous oil this worked for me.
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Have used Wynnes for a long while, it is as it always has been the go-to oil for quieting those annoying little noises. Will continue to use when needed as there is nothing I know of that does the same job as Wynnes. Mark and Kaz
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It does quieten down the lifters, make sure you know if your engine has hydraulic lifters or it won't do anything. Also if your lifters are severely worn out then it won't cure it, this only works if you have slight tapping/ticking.
Verified purchase: Yes | Condition: New
had tapping valves on an mx5 after cambelt and oil change 10 mins after adding this and the tapping stopped great stuff works well
Verified purchase: Yes | Condition: New
Does exactly what it says on the bottle. I well recommend this product. All Tappet type noises gone within two days.
Verified purchase: Yes | Condition: New
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