IS - 2nd Gen (2006-2013) Discussion about the 2006+ model IS models

IS250 MT best shifting RPM?

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Old 09-12-07, 03:29 AM
  #1  
erolmon
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Default IS250 MT best shifting RPM?

hi guys,

As stated above: I have IS250 Manual.
in order to achieve maximum acceleration - on what RMP should I change the gears?

What should it be in theory and what do You use?

And how fast have You gone from 0-60 (by stock setup)?
(I just cant believe that AT is as fast as MT).
Old 09-12-07, 08:00 AM
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kickin8
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I shift around 3.5-4K for saving gas.... (Normal Driving)

Above 4K rpm is where the car performs

Saving gas is my priority......

Last edited by kickin8; 09-12-07 at 08:19 AM.
Old 09-12-07, 08:49 AM
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Recluse
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In normal driving on a flat surface, I shift where kickin8 does: around 3500-4000 RPM. I go higher if I need to get up one of the steep hills around here.

The official specs are hp = 204@6400 and torque = 185@4800 (foot-lbs), and you can definitely feel the engine "wake up" as you enter the higher RPM range. So I would think for maximum performance that you'd want to shift near redline.

I've also never done a timed 0-60 run, but I've driven the 6AT before, and the 6MT "feels" faster. Neither of them are speed-machines, but the 6MT feels more responsive across the board (provided you are in the proper gear, of course).
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