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Been 6 months since I sold my bumpside F100 , I miss it , until I had to put gas in it...that 390 liked to eat.
Millennials...
Mine isn’t much worse than a 2500 gasser. About 13mpg
How would you know? You're never in town!13 is pretty good. Most of my driving is in the City and all of my vehicles are about 15 in the town, with the exception of the my Titan (not the Nissan previously mentioned) with gets about 12 in town.
13 is pretty good. Most of my driving is in the City and all of my vehicles are about 15 in the town, with the exception of the my Titan (not the Nissan previously mentioned) with gets about 12 in town.

After investing $5000 under the hood my MPG in town went from 16.2 to 22.8. Well worth the trouble.
What did you do?
Deleted ALL EGR, larger turbo, 8" intake and exhaust , stronger head bolts, ram air intake filter, and different injectors. He also downloaded an RV type program and removed catalytic converter and muffler to straight pipe.
I'm almost always in town! Here in Mesquite! ?How would you know? You're never in town!
Mine got about 8 driving it 'easy'...which was no fun.Mine isn’t much worse than a 2500 gasser. About 13mpg
Mine got about 8 driving it 'easy'...which was no fun.
My 95 F-250 with a 460 got 10 MPG when drag racing it through town. I've no idea what mileage it would get if I hadn't driven it that way.

with a 4L80 trans which is going to fun to figure out how to make shift with the TBI computer with a carb but it can be done.
eQ
Payback is at 71,500 miles.After investing $5000 under the hood my MPG in town went from 16.2 to 22.8. Well worth the trouble.
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Nice old Fords. I like the 390 and also like the big 300 ci straight six. You can build the 300 six to over 400 HP no problem. Bullet proof engine. It has seven main bearings!
Well, (poop). I thought I was out of the old truck game for a minute, but life changes.
Bringing home this 68 Camper Special tomorrow. Paint is a crappy 90's Maaco job, but it's straight as an arrow and runs quite well.
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