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Discussion Starter · #1 ·
Ive used Seafoam on used cars before and I know they do make a difference on older cars. But for new ones, do they actually have any real benefit? Maybe something like preventing gunk from building up?
 

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Discussion Starter · #6 ·
Thanks for all the info. I guess I'll just stick to using it on higher mileage vehicles. I just enjoy watching the smoke show that you get when you use it. Hahahahaha.
 
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