Better Gas Mileage.
Winching
Joined: Jul 2010
Posts: 683
Likes: 3
Engine oil weight makes no difference once the engine is up to temp.
Let it warm up for 5 min before driving when it is stone cold and the outside temp is below 40*F. (I did a experiment with this last winter, it really works and I can explain if needed)
Set the cruise at 70, your actual speed will be 65.
Inflate tires to 40psi.
Roof rails make no matter, cross bars do.
Avoid ethanol gas.
Leave the seat just loose the mother in law.
Windows up sunroofs closed, a/c on or off no matter.
New front O2's, the rears do nothing.
Shell Premium fuel.
Drive down hill all the time.
Thinner gear lube helps in the winter time.
Make sure your fan clutch is working properly.
The longer the trip the better the MPG.
Let it warm up for 5 min before driving when it is stone cold and the outside temp is below 40*F. (I did a experiment with this last winter, it really works and I can explain if needed)
Set the cruise at 70, your actual speed will be 65.
Inflate tires to 40psi.
Roof rails make no matter, cross bars do.
Avoid ethanol gas.
Leave the seat just loose the mother in law.
Windows up sunroofs closed, a/c on or off no matter.
New front O2's, the rears do nothing.
Shell Premium fuel.
Drive down hill all the time.
Thinner gear lube helps in the winter time.
Make sure your fan clutch is working properly.
The longer the trip the better the MPG.
Last edited by ngarover; Oct 15, 2010 at 08:22 AM.
Speaking about ethanol gas, I found this yesterday:
http://www.canadiandriver.com/2010/1...adianDriver%29
I know modern engines are built for 85% ethanol but what's the point of having ethanol fuel if you loose efficiency?
http://www.canadiandriver.com/2010/1...adianDriver%29
I know modern engines are built for 85% ethanol but what's the point of having ethanol fuel if you loose efficiency?
Thread Starter
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Pro Wrench
Joined: Apr 2010
Posts: 1,482
Likes: 8
From: Gramercy, La
Speaking about ethanol gas, I found this yesterday:
http://www.canadiandriver.com/2010/1...adianDriver%29
I know modern engines are built for 85% ethanol but what's the point of having ethanol fuel if you loose efficiency?
http://www.canadiandriver.com/2010/1...adianDriver%29
I know modern engines are built for 85% ethanol but what's the point of having ethanol fuel if you loose efficiency?
It takes more energy and resources then you get out of it. But its "creating jobs" and "Reducing our dependence on foreign oil" I guess.
Winching
Joined: Mar 2010
Posts: 749
Likes: 4
From: Briar, TX
? Curious as to why the rear 02 do nothing? I have found that if you remove them, the trucks run like crap and will CEL. That would lead me to believe that they are in fact doing something. I thought the purpose for them was to recheck the quality of air after the cat to see if the cat was working and then adjust the lean/rich of the fuel to make it as clean as possible. (cat function) (I'm wording this best I can but you get the idea) Everytime I have removed the cats, to replace them or as in the case of my 99d1, not replace them... (woods truck) I found that the trucks ran really rich and the cel codes tossed were
From the research I have done, and I am in no way saying that it is 100% true, and talking to several mechanics, all the rear O2's do is tell the ecu that the cats are working or not.
If others have removed their rear O2's or cats and have rear O2's lets hear your results.
Recovery Vehicle
Joined: Aug 2009
Posts: 851
Likes: 0
From: Golden, CO
This is good to hear.
From the research I have done, and I am in no way saying that it is 100% true, and talking to several mechanics, all the rear O2's do is tell the ecu that the cats are working or not.
If others have removed their rear O2's or cats and have rear O2's lets hear your results.
From the research I have done, and I am in no way saying that it is 100% true, and talking to several mechanics, all the rear O2's do is tell the ecu that the cats are working or not.
If others have removed their rear O2's or cats and have rear O2's lets hear your results.
They have no effect on fuel trim or engine effeciency.
I changed out my diff oils last night. I cannot feel any difference in drag on the gears or the vehicle but I can say she shifts WAY better. No more clunking on slowing down downshifts.
85w 140 was the trick Disco Mike! Thanks again!
Mudding
Joined: Sep 2010
Posts: 240
Likes: 0
i beg do differ, its easeir to speed while rockin out to heavy metal 
its 100% true, rear o2's tell your comp if the cats are working, if you pull cats you have to eliminate the rear o2's, i run my mustang cat-less.
This is good to hear.
From the research I have done, and I am in no way saying that it is 100% true, and talking to several mechanics, all the rear O2's do is tell the ecu that the cats are working or not.
If others have removed their rear O2's or cats and have rear O2's lets hear your results.
From the research I have done, and I am in no way saying that it is 100% true, and talking to several mechanics, all the rear O2's do is tell the ecu that the cats are working or not.
If others have removed their rear O2's or cats and have rear O2's lets hear your results.
Last edited by dansgt; Oct 15, 2010 at 08:09 PM.
