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Old 05-28-2010, 07:34 PM   #15 (permalink)
ShadeTreeMech
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Join Date: Apr 2009
Location: Arkansas
Posts: 870

The Van - '97 Mercury Villager gs
90 day: 19.8 mpg (US)

Lyle the Kindly Viking - '99 Volvo V70
90 day: 25.82 mpg (US)
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I've had a car (and worked on a car) where the kickdown cable was inoperative, ie it always wanted to start in 3rd (both 3 speed autos) and you had to manually downshift to function correctly. I wonder if a old school tranny couldn't be adjusted with higher line pressure and disable the kickdown to make for a manual shift auto? My cars have electronic controlled trannys so I'm sure that's a whole new ball of wax, but older trans seem to be a bit simpler.

My TPS adjustment I mentioned earlier was to the extreme allowed, I didn't force it to go further than engineered. And if power is needed, sometimes a manual downshift is in order. But I can now cruise at 35 in locked 4th without the trans trying to downshift constantly.
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Quote:
Originally Posted by jamesqf View Post
I think you missed the point I was trying to make, which is that it's not rational to do either speed or fuel economy mods for economic reasons. You do it as a form of recreation, for the fun and for the challenge.
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