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Engine swap

Tiny
TONY LINDSAY
  • MEMBER
  • 2005 TOYOTA CROWN
  • 3.0L
  • V6
  • 2WD
  • AUTOMATIC
  • 150,000 MILES
Looking at possible engine swaps for the future, will a 2gr fit a 2005 mark x that had a 3gr in it? Or will it need new mounts etc, installed?
Saturday, September 4th, 2021 AT 12:39 PM

5 Replies

Tiny
STEVE W.
  • MECHANIC
  • 12,974 POSTS
Well, they were sold with 2,3,4 and 5G engines from the factory but in different world markets. So there are parts out there to do the swap, you just have to find them.

https://www.2carpros.com/articles/how-a-motor-mount-works

https://www.2carpros.com/articles/replace-motor-mounts

Clearly we are going to have to work through the common things like mounting it and the transmission. But the other major things to think about are electronics and wiring.
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Saturday, September 4th, 2021 AT 1:04 PM
Tiny
TONY LINDSAY
  • MEMBER
  • 3 POSTS
Yea, i'm pretty sure the transmission is the same 6 speed a/t, so if it fits on the mounts already installed just a much easier conversion.
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Saturday, September 4th, 2021 AT 1:42 PM
Tiny
STEVE W.
  • MECHANIC
  • 12,974 POSTS
It should be, the catch will be the electronics as those are a bit different between the engines. That is the big thing with engine swaps anymore, the electronics don't work.
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Saturday, September 4th, 2021 AT 2:21 PM
Tiny
TONY LINDSAY
  • MEMBER
  • 3 POSTS
Was wondering if I would need new sensors. I know it would need a CPU.
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Sunday, September 5th, 2021 AT 3:29 AM
Tiny
STEVE W.
  • MECHANIC
  • 12,974 POSTS
If you can it would be easier to find a complete car with the 2GR and then you would have all the parts handy. You want the engine, transmission and ECM to match at least. That makes it easier. Or look to see if there is a stand alone PCM that works for the swap.
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Sunday, September 5th, 2021 AT 6:51 AM

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