Well first off 3.23 gears, 27.4" tall tire & 1-1 high gear shows you should only be spinning 2600 rpm's at 65 so if your tach is correct your convertor is slipping quite a bit... 2900 should give you about 74 mph..

65 with 2.91 = 2370 rpm

65 with 2.76 = 2200 rpm

Last edited by 1_WILD_RT; 11/20/11 08:11 PM.
"The Armies of our ancestors were lucky, in that they were not trailed by a second army of pencil pushers."