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33 Posts
so my 98 stang has 161900 miles on it and i usually drive it around 1500 to 2000 rpm. ive only gotten it over 4000 rpm once. is it safe to punch it on the track with high millage like that? i want to get in to true street classes but with the high millage i can just hear a valve spring or rocker arm breakin as i get out of second gear.