POOR GAS MILEAGE

  • Tiny
  • Bumpa
  • 1970 GMC
  • V8
  • 2WD
  • AUTOMATIC
  • 10 MILES

Have 1970 c10 gmc p/u w/350ci v-8 & 4Bbl Holley carb & AutoTrans which gets 10mpg. A friend w/ same setup gets 20mpg. Both have 3.70 gears. Why? What can I do?

Do you
have the same problem?
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Tuesday, February 1st, 2011 AT 6:14 AM

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