IS - 3rd Gen (2014-present) Discussion about the 2014+ model IS models

IS250 to IS350 / ISF350 Engine swap

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Old 04-29-23, 10:38 AM
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lo0oka92
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Default IS250 to IS350 / ISF350 Engine swap

hi everyone
i have IS250 2014 and i keep it well for the last 10 years so im looking to change the engine to ISF350 or IS350 i have the money to do it
i just want to make sure its possible or no ( i can change everything even The speed Gauge )
Old 04-29-23, 11:03 AM
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Rudiculous
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It's possible, 350 and 250 are identically sized engines with different tunes
Old 04-29-23, 12:39 PM
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BBQapple
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I love to see crazy mods like putting in a manual transmission where only an auto is available to buy, but this just seems like a waste of money when you could just sell the 250 and buy a 350.
Old 04-29-23, 02:45 PM
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swaangin
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Originally Posted by lo0oka92
hi everyone
i have IS250 2014 and i keep it well for the last 10 years so im looking to change the engine to ISF350 or IS350 i have the money to do it
i just want to make sure its possible or no ( i can change everything even The speed Gauge )
Just sell your car and get a 350, you would save yourself money if anything doing that.. A lot of issues go into engine swapping and I've seen it firsthand
Old 05-02-23, 06:38 AM
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arentz07
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Originally Posted by Rudiculous
It's possible, 350 and 250 are identically sized engines with different tunes
This is incorrect. The 250 has the 3GR engine, and the 350 has a 2GR...
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