Any thoughts on howm much my gas mileage will change once I install a 2.5" lift kit and 285s on my 99 limited? I am still deciding between the Sonoran Steel set up and the Wheelers Offroad kit consisting mostly of OME components. I currently get about 18 mpg on the highway stock. I'm about to be driving back and forth between Austin and Dallas a lot, so I don't want to lift it if it is going to lower the gas mileage a great deal.

Thanks in advance!

 

I lost about 1 mpg when I installed my 1" body lift, front bug deflector, and sunroof wind deflector. Not sure if that helps, but it might give you an idea.

 

do those deflectors really effect gas mileage that much

 

I guess they do. I didn't think they did until a couple guys started mentioning that they saw a difference. I am not sure if it's measurable or what. Anyway, the reason I mentioned it was because I just so happen to do all that stuff at the same time. The 1 mpg reduction could very well be from the BL only.

I guess it makes sense though. More wind resistance...

 

go with sonoransteels setup. He gives you everything you could possibly need to do it right!

As far as gas mileage, maybe 10% decrease at most. I am running 285s with the tundra lift. I also have 211k on my orig. motor.

 

1 mpg per inch of lift. i've got a fabtech lift (roughly 3 inches of lift) on 265 MTs with a manual trans. I drive like a grandma (never over 2k rpm in city, 73 mph max on hwy) and get 21 mpg. should get better after a seafoam treatment and deckplate or airraid mod.

uberhahn

 

^ it would help to know which engine you have. If it's the 3.4 I find that very hard to believe.

 

I agree, I hardly get 21mpg on the highway if I stay around 68mph.

 

sweet99,

depends on you gear ratios too. for example, i have 4.10 gr and have 32s. id say i've lost about 1 mpg because of it.

for you, id expect a loss of 2mpg. significant? well that all depends on you and your ability to afford that loss in mpg.

bob

uber,

im having a hard time believing your numbers...unless you got a strong tailwind always behind you how are you calculating this?

 

i think tires make a much larger difference than the lift. mine was the same before and after the lift, before the larger tires. and now it is close but not as good, i think part of it has to do wth the recent swich from MTBE reformulated gas to Ethenol reformulaterd gas. so i havent had anough time to get the car used to it ect... MTBE sucks btw, destrys the envoronment. im glad its gone. car runs better too.