24 MPG with 4:11 gears at 65MPH vid to prove.

[Sierra3]

Here is the link to my photo bucket. Drove car back from Indiana to Florida. Didn't trailer it this time. Docile and smooth on one tune and crazy kill on the other tune. It actually hit 24.7 when i was purposely feathering the gas, but i didn't get video of it coming through Atlanta. I'll leave out my near death terror story for now into another thread.

http://vid176.photobucket.com/albums/w195/wingmaker7/WTF_Vacuum1_zpsxn6awktd.mp4


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[tixer]

Congratulations!

But there's no possible way I would have the self control required to keep it at 63 on the interstate....

 

[ONLYTONY]

I find 4-5 mpg difference between 68mph, and 73mph. In my 4X4 pick up, with 4:10's at 2300rpm's I go 73 mph. At your rpm's your only doing 63 mph. 24's a real good number. What's the little red light for?

 

[Sierra3]

Congratulations!

But there's no possible way I would have the self control required to keep it at 63 on the interstate....

hahahaha You and me both. It doesn't last long, the urge to push down it always wins for some reason. But its fun trying to milk it out to get best MPG. I usually run at at 70MPH and ts around 2500 to 2600RPM. So in reality, its more like 21MPG to 22MPG the way i drive it normally.

The little red light is operation on light for the Innovate wide band air fuel ratio gauge i will mount in a pod next to the boost gauge laying there. I'm altering my steering column pod to accommodate both of them side by side. There is a little reset button in the ashtray to zero out/calibrate the air fuel ratio when you pull the sensor out of the exhaust to outside ambient air. Then screw it back into exhaust. I had all of that stuff coming up through the shifter console and hanging out on passenger side on the carpet, and Lonnie mounted it professionally like that.

So the Congratulations! goes to him. haha.

 

[billcu]

Nice. :thumbsup:

I get 24-25 mpg on a good day, in my 97 with 373's, doing 75-78 mph. Lonnie's tune also.

 

[Sierra3]

25MPG is awesome. I think i may be switching to 3:73's. The gears i got now with the Eaton are too much with the supercharger. The car eats up the tires when you go half throttle and definitely cant go WOT without slicks on anymore. I do more highway cruising now, and its a real pain having to monitor tranny temp and not push it to fast like 80 for constant speed. 70 is much to slow for modern freeways. And id like to be able to get it back below 2000 RPM when i have overdrive button on in 4th locked. I'm having problem with my TQ converter at present, it really doesn't lock and tranny is hunting gears on the Art car tranny. Should of had mine built hard here locally, then i could go back to them and get service. This one will have to be pulled. It upshifts fast and crisp like it should, but when it should down shift its holding them too long and making the engine bog down until it shifts into lower gear. Its not the tuning, we checked multiple times selecting gears and such. I think the tranny is going south. We will see when i pull it and hand it over to my transmission guy to pull apart and inspect. He will know exactly what is in there and how it was built. It better have all the goodies in it that i paid for back in the day. Car has very low mileage on the trans since new, it sat in storage for a very long time.