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

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Old 10-30-08, 12:15 AM
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LexusIS-TL
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Default Transmissions

Does the IS250 have the exact same transmission as the IS350?
Old 10-30-08, 05:54 AM
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Kurtz
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Originally Posted by LexusIS-TL
Does the IS250 have the exact same transmission as the IS350?
Nope... 250 RWD, 250 AWD, and 350 all have different transmissions from each other.
Old 11-01-08, 04:19 PM
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LexusIS-TL
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Do you think it's worth replacing the torque convertor in the IS250 RWD transmission to make it perform better? The motor is capable but I'm wondering if the transmission is keeping up the engine's potential.
Old 11-01-08, 05:11 PM
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slee18
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what are you attempting to do autocross or drag??? probably more effective if you replaced it with a more aggressive gear ratio then the convertor.
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