how many miles to the gallon is good for a 258cu in engine

Asked by Jan 30, 2010 at 04:36 PM about the 1988 Jeep Wrangler

Question type: General

    What is good gas miliage for a 258 cu. in. engine? I have a Weber carb.!! Thanks, Harry

9 Answers

you might get 25mpg, my amc eagle with the same engine with the crappy bbd carb gets about 20mpg. by the how is that weber setup? im thinking about getting one.

155

i have a weber carb but bought the jeep used so i dint know how old it was but i just had to have it rebuilt but only cost 120 but i love it easy to adjust and just all around great i think never had any problems 4wheelin with it

thanx for the info. my eagle has the same engine, but with a bbd carter carb on it.

155

ah g ya ya i love my weber some people dont like them but some do i also have a carb spacer under my weber

155

here kind of a pic of it

75

I have a 90 Wrangler with the 258 and a weber carb also, i get about 15 and the reason the guy with the eagle prolli gets more mpg is because the eagle has more sero dynamics then a wrangler, i mean we have a brick wall infront (the grill) and then another at the windshield, i wouldnt expect much more then that, when i bought the carb i had higher expectations.

areodinamics has something to do with it but not totally. its a 3500 pound unibody sedan with a 2:34 (i hate um) axle gears. my dakota is a 3.9 v6, 3:55 axle gear, and a loaded shortbed, and the truck is a 4000 pound fullframe truck. it gets 15 mpg city. by the way, im the guy with the eagle.

just to let you guys know that my eagle looks a lot like this one pictured.

100,075

http://www.fuelly.com/tips/

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