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

Differential swap is250

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Old 03-25-24, 01:24 PM
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DulceSeek
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Default Differential swap is250

Hi,
I am trying to fit SCION FRS/GT86/BRZ diff into IS 250 and I am wondering I want to put new
su00301008
su00301009
subframe bushings does IS250 has also two holes in that one bushing?
see 41651
Are these parts actually same on IS250 including

Old 03-26-24, 07:52 AM
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DulceSeek
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for anybody searching for this two holes are in all differentials on one side and on hole on another.
Therefore you have two different bushings as per picture.41651A and two hole 41651
I still cant comment about interchangibility/compatibility between FRS/GT86/BRZ and GS450H 3th 4th GEN GS300 3rd GEN IS250 XE20/30
Old 03-26-24, 08:42 AM
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MikeFig82
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Originally Posted by DulceSeek
for anybody searching for this two holes are in all differentials on one side and on hole on another.
Therefore you have two different bushings as per picture.41651A and two hole 41651
I still cant comment about interchangibility/compatibility between FRS/GT86/BRZ and GS450H 3th 4th GEN GS300 3rd GEN IS250 XE20/30
What exact information are you looking for. Is it for the 2nd Gen IS platform or GS?

The Differential Insulators are listed below. See part numbers for each on the right. From there you can cross reference to which vehicles they fit.






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Old 03-26-24, 08:47 AM
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Originally Posted by MikeFig82
What exact information are you looking for. Is it for the 2nd Gen IS platform or GS?

The Differential Insulators are listed below. See part numbers for each on the right. From there you can cross reference to which vehicles they fit.


Yes XE20 2nd Gen IS with petrol engines
Perfect thanks a lot.
Old 03-26-24, 09:07 AM
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MikeFig82
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Originally Posted by DulceSeek
Yes XE20 2nd Gen IS with petrol engines
Perfect thanks a lot.
I dont know if you've seen this already.

https://www.clublexus.com/forums/per...ispreloading=1

Last edited by MikeFig82; 03-26-24 at 10:35 AM.
Old 03-26-24, 04:13 PM
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2013FSport
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OP - if you are seeking performance from say a BRZ LSD swap with Torsen center section, I'd highly recommend installing poly mounts. Using polyurethane on the 350 LSD eliminated wheel hop. Definitely worth it.
Old 03-27-24, 07:20 AM
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Originally Posted by 2013FSport
OP - if you are seeking performance from say a BRZ LSD swap with Torsen center section, I'd highly recommend installing poly mounts. Using polyurethane on the 350 LSD eliminated wheel hop. Definitely worth it.
I am using FRS diff with 4.6 ratio. Are power flex inserts enough?
Old 03-27-24, 11:21 AM
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Originally Posted by DulceSeek
I am using FRS diff with 4.6 ratio. Are power flex inserts enough?
Link?
..........
Old 03-27-24, 11:23 AM
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Originally Posted by 2013FSport
Link?
..........
https://www.powerflexsuspensionbushe...1-125094-p.asp

I managed to get Japco bushings which are fraction of the price of the original bushing and would reinforce them with the above.
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