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-   -   40 mpg last night (https://ecomodder.com/forum/showthread.php/40-mpg-last-night-4887.html)

wagonman76 09-02-2008 08:04 AM

40 mpg last night
 
I filled up on the way back from downstate at the usual station, with 60 miles to go. No acetone last tank or this one. Got a steady 35 mpg going downstate, AND coming back. Stuck to the backroads on the way back to avoid the freeway wind from the west which cost me 6 mpg last time.

So after filling up it was late and nobody was out. When I hit 36 mpg, I figured lets try something. I kept it about 43 mph, just enough to keep the TCC locked, all the way home. I did have a couple traffic lights and towns to slow down in, but I timed them so it wasnt bad. And I got 39.9 mpg. I hoped to hit 40 but on the last leg home a local drunk from the neighborhood was on my tail and trying to run me down so I let him by but he stopped, looked at me, and said "oh I thought you were somebody else". So I circled the block before pulling in the driveway so he wouldnt follow me, and ended up with 39.5 mpg.

I know theres still more left in this car too, since the most noise when driving is made by the tires and I know the alignment is out of whack, but Michigan roads beat up the suspension faster than I can keep it fixed.

Now I got 40 mpg, the rest is easier. Got 34.0 this morning on the way to work quite easily. When I started with the mpguino I was getting 31.0 in the mornings.

I may have actually gotten a bit better than 40 last night, since my injector pulses may be about 8.5% off from my initial calculation. I need a couple more tanks to confirm it though before changing settings.

superchow 09-08-2008 04:09 PM

My wife (girlfriend at the time) had an Oldsmobile Cutlass Ciera (with the 3.3L V-6) and we were able to squeeze a few mpgs more by filling up with premium gas. The transmission stays in overdrive longer when driving up hills, presumably due to greater knocking resistance. Moderate acceleration with quick easing after 40 mph also helped a lot. 35 mpg wasn't unusual in rural Idaho like that.

I miss that ol' mule. Best long distance cruising vehicle to date, although the vibrations over rough pavement always made me think something is going to fall off at any time, and the understeer in corners was quite worrying! :thumbup:

BrianAbington 09-08-2008 04:17 PM

thats pretty awsome!

wagonman76 09-09-2008 07:53 AM

I had some trips last week from lots of wind and rain, where I was lucky to get 30. Now its cleared off again, I seem to be on a new wave. 35 Sunday back from town, 35 yesterday to work, 37 home, 36 today to work. According to the guino that is, which I still havent adjusted. And while going between 50 and 55, which is what Im supposed to be doing.

dcb 09-09-2008 08:01 AM

40mpg in a celebrity would be pretty dang good :thumbup: I'm definitely curious how the calibration comes out.

Daox 09-09-2008 08:26 AM

Wow. :eek:

Will 09-09-2008 09:23 AM

That is so cool. Makes me wish I still had my 93 Buick. That is a great achievement!!!

kekle 03-11-2012 03:12 PM

wow nice job


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