why does everyone with a 300...
Senior User
Joined: Jun 2004
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From: Prince George B.C.
Now that I finallly gave mine a proper tune up and timed it right. She gives me closer to 18-19 mpg. A far cry from the 14-16 I got before. I still can't wait to turf the stock log manifolds and replace the Yf-a carb. Would putting on EFI manifolds and some type of 2 bbl make much more of a difference regarding power and fuel milage ?.
Postmaster
Joined: Apr 2003
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From: Virginia Beach
Don't get me wrong, I love my six too. I was pulling rather large, old shruberies out today, and all but 1 took more than idle. Just dropped it in gear, and it would idle forward and popped them right out 
To get back on track just a bit, my truck has a problem running rich, that I have never figured out. You can smell it at idle
It smells like its a carb thats outta tune. That, and the fact that I'm not afraid to pull away at stop lights 
To get back on track just a bit, my truck has a problem running rich, that I have never figured out. You can smell it at idle
It smells like its a carb thats outta tune. That, and the fact that I'm not afraid to pull away at stop lights
Last edited by Franken-Truck; Apr 17, 2005 at 10:00 PM.
Freshman User
Joined: Mar 2005
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My milage isn't half bad. Of course, I have a unibarrel carb, which doesn't suck much gas. I can drive my truck to work every day for a week, (which is a fair distance each day) and still only burn 1/4 of a tank. I don't run my truck hard until I take it off road, either.
Postmaster
Joined: Feb 2003
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From: Muskegon, MI (home)
Originally Posted by jenral
Now that I finallly gave mine a proper tune up and timed it right. She gives me closer to 18-19 mpg. A far cry from the 14-16 I got before. I still can't wait to turf the stock log manifolds and replace the Yf-a carb. Would putting on EFI manifolds and some type of 2 bbl make much more of a difference regarding power and fuel milage ?.
Junior User
Joined: Mar 2003
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i've got a '91 shortbed with about 135000 miles on it. even when i do keep my foot out of it, i've never been able to get better than 17 mpg. and that was in the summer. in the winter i usually run about 12 and average is around 13 or 14. its starting to **** me off when i hear all you people telling me about getting 18-20 on average. i'm open to suggestions.
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