Can anyone tell what material to read on how to tune my 1991 RX7 n/a 136k mi I already own the Mazda shop man. but they say these cars need some extra know how...[img:98a1856c7c]http://www.2carpros.com/forum/automotive_pictures/120532_My_1991_RX7_Convertible_1.jpg[/img:98a1856c7c]
Nov 21, 2007 at 9:05 AM