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kickflipjr -
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When I was a little kid, I think that my Dad accidently taught me good FE driving habits. He had a game called "never stop". When he would drive, he would try to time his approach to stoplights by slowing down early. If he "won", he would never have to stop the car. He used to be an engineer, so I think he was applying "conservation of momentum" and efficiency and stuff. I picked up that habit over 20 years ago. Good habit. CarloSW2 |
I've never driven an auto saturn, but. I would try to keep the convertor locked up as much as possible when driving in town.
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I recall having a rental SL-Automatic a couple of years ago, and noticed that the TC engaged at funny points, such as full lockup in 2nd gear, unlock-shift to 3rd-relock, same for final/4th (I think that the TC has to unlock to shift gears). To keep the converter locked-up requires a light touch on the throttle and "bleeding-off" of the throttle when you slow down to keep it going (or lightly remove pressure from the throttle) -- conversely too much throttle unlocks it, and complete throttle lift unlocks it. Finally (other conditions aside), slowing speeds change the lock dynamic -- so it unlocks as you slow below a certain speed. Regarding the automatic: I say bravo that you're not giving up on it because it simply has this transmission design. People will try to convince you to swap a manual in there, but if you don't want to for a variety of reasons, that's completely reasonable. The challenge lies in improving the FE with what ya got. If you're into the deep constructs of how your vehicle operates, find a shop manual. It will show the schematic for TC lockup conditions from a variety of sensors and conditions (granted, if you're not an engineer, it may be confusing -- I can vouch for that). RH77 |
I see, I will check out a manual for a more detailed answer hopefully I could understand it.
My intentions are to go to extreme and have more expenses just to get better mileage but to supple do all that i can with my current setup. Well I guess I will go to semi extreme measures.. :) I like that car that I have and expect it to last a long time that will balance out some of the FE I miss out on. |
Zvolen -
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If I had a 5 mile commute, I would look into an alternate route, if possible. Let's say that for the point of argument, you get 25 MPG going 5 miles. That would be 5/25 = 1/5 = .20 gallons of gas. If you found a 6 mile route that got you 36 MPG, that would be 6/36 = 1/6 = .16 gallons of gas. The extra mile would actually save gas! Remember that a 5 mile commute is also good for the environment! CarloSW2 |
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I agree - with the combination of this site and the other I will maintain the up keep of the vehicle to keep it running good for a long time. Thanks, Z |
IN regards to keeping the torque converter locked up and engaging the TCC, wouldn't this mod due just that as he describes it. Obviously he is doing it for another reason, but wouldn't this help FE?
Seemed like a good idea and strike me, thought I would share. --Z Quote:
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Nice!
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RH77 |
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