Quote Originally Posted by travajante View Post
On new cars, don't expect any felt benefits. On older clunky ones, there might be some placebo effect on unwanted noise reduction.[emoji4]
Compared 2 identical cars of about same age, usage & kms clocked(around 30k+)...1 w/ those tolerance-reducing rings installed early in its ownership. Both cars ran no differently on any surface at variable speeds. Guess they're both still too young to need them?[emoji848]

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Thanks for your input sir.

Feedback from other users would be highly appreciated