I have a 54/235 with dual single barrel carbs and fenton headers w/flowmaster dual exhaust also t-5 s-10 5 speed trans with 235-75-15 tires and i get 12-14 around town. on a trip to Kc last sept. i averaged 21 mpg and a high of 23.5 running on cruise at 70mph. hope this helps. ron BTW it has 2.73 nova rearend.
Last edited by WE b OLD; 02/26/2010 4:01 PM.
