Re: Fuel mileage question

From: andy levy (andylevy@yahoo.com)
Date: Fri Nov 22 2002 - 19:58:05 EST


Yes, the 300 pounds will make a difference.

Cooler weather will result in running richer (more O2 coming in b/c cold
air is denser means more fuel pumped in).

Colder weather means tire pressure drops (figure 1 PSI per 10 degrees F
temperature change).

DakotaJohn wrote:
> I recently installed a drop-in K&N filter and a Flowmaster '50' series
> muffler on my 2K V6 Dak. I was averaging 19.5 mpg (70%hwy/30%city), now I
> have dropped to about 17.5 mpg. I figured at first it was just me listening
> to the new sound of the exhaust, but I'm sure that I'm not getting on it
> anymore than usual now and I have lost 2mpg. Does anyone have any ideas? The
> only other mod I have is Bosch Platinum+4 plugs and they have been in for
> awhile(while I was getting the 19+). Also, it hasn't been cold enough yet to
> let her sit and warm up so that isn't the culprit. Unless the 300lbs for
> winter did it, I added that about mid-tank. Thanks for any tips, John
>
>



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