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Old 03-09-2017, 07:27 PM   #11 (permalink)
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I seriously considered putting a spring under the accelerator of an Isuzu van I had in New Zealand. after 80% throttle it would start belching black smoke and burn oil.

It was a bit anemic on the power side with a 1.6 L naturally aspired diesel engine pushing a 5.5 meter (18 foot) square nosed van. It took a bit of finesse keeping the speed up without rolling coal and a spring that would increase resistance at that threshold, but would also allow WOT when necessary would have been nice.

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Old 03-10-2017, 08:19 AM   #12 (permalink)
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That's a great move- a throttle discourager.
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Transmission type Efficiency
Manual neutral engine off.100% @MPG <----- Fun Fact.
Manual 1:1 gear ratio .......98%
CVT belt ............................88%
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Old 03-10-2017, 12:55 PM   #13 (permalink)
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That is actually a semi active research topic, mechanical manipulation of user interfaces. Konbs etc that get significantly harder to turn as output os system becomes more undesirable etc.
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Old 03-10-2017, 01:03 PM   #14 (permalink)
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Isn't that what some "eco" modes do? Remap the throttle-by-wire so that the 50% open position is nearer to the end of the pedal travel and you're spending more time fine-tuning smaller throttle openings.
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Old 03-10-2017, 04:40 PM   #15 (permalink)
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Originally Posted by ThermionicScott View Post
Isn't that what some "eco" modes do? Remap the throttle-by-wire so that the 50% open position is nearer to the end of the pedal travel and you're spending more time fine-tuning smaller throttle openings.
That is exactly what the Lexus / Toyota hybrid eco mode does. It re maps the throttle curve so that low openings are way less sensitive and can still achieve WOT. It also plays with steering sensitivity, cruise control and aircon settings to use less fuel.

It works well for me on the RX450h, CT200h and Gen3 Prius.

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Old 03-13-2017, 07:26 PM   #16 (permalink)
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When I was a kid I put a small block of 2x4 wood under the accelerator to keep me from pushing my old car too fast. I always had a sense of "saving" my car from too much stress, and it stretched my gas money too. After all, regular gas was selling for an outrageous 25 cents per gallon back then (which actually might be equivalent to what we're paying today, but back then it was in 1958 dollars that were backed by gold).

Today, I use a Scan Gauge. It does much better at helping me keep my wild side down.
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Old 03-13-2017, 09:21 PM   #17 (permalink)
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Agreed. Scan gauge, mpguino or other digital instrumentation is pretty effective at motivating you to press the pedal just enough to get to your destination.
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Old 03-13-2017, 10:36 PM   #18 (permalink)
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Old 03-13-2017, 11:33 PM   #19 (permalink)
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Yes, good point. Plus paying with cash is safer from those credit card hacks.
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Old 03-14-2017, 01:18 PM   #20 (permalink)
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Which is why I use it for everything, except the rent (credit union check) and utilities (Postal money orders).

I can remember the Diner's Club ads on black and white TV (i.e., before credit cards). I still don't get were the money for 'bonus points' comes from.

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