Re: two questions
Some of the early IROC's did have a carb. The TPI was actually an option that most had.
What gears are in the truck? What cam? 5MPG may be normal if the engine is seriously over cammed and crappy gears and so forth.
We need to know more about your truck to give pointer to get better mileage beyond a full tune up.
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Mark
Jesus is the Way!
2003 2500HD CCLB Duramax/Ali (Clifford)
2014 2SS/RS black on black Camaro (Betty)
2006 Pontiac SOLSTICE silver/black (Lula-Bell)
1970 C/10 Short Wide (Peggy)
1964 C/10 Short Step (Hambone)
RIP Jimmy Hamilton Thank you for the trucks
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