> Of course, if it did consistently show decreases, mechanics wouldn't
> leave them in, nor have any reason to promote them.
> I don't see mechanics or advertisers promoting vortec cyclones on
> NASCARs.....because they don't work.
>
>
> No, instead we see NASCAR hacks promoting Enzyte and U.S. Fidelis
> "extended warranties" So much for credibility.
>