Engine and Transmission Swap compatibility?

Tiny
IND35TRUCTIBLE1
  • MEMBER
  • 2005 CADILLAC CTS
  • 3.5L
  • V6
  • 2WD
  • AUTOMATIC
  • 105,000 MILES
Will a 2005 cadillac sts 4.6 engine and trans work in a 2005 cadillac cts?
Wednesday, February 15th, 2023 AT 1:38 AM

1 Reply

Tiny
STEVE W.
  • MECHANIC
  • 13,414 POSTS
Not without changing a lot of other pieces as well. The Northstar uses a lot of different items than the 3.6 you currently have and as the CTS never got the Northstar in it you would need to make some custom pieces as well.
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Wednesday, February 15th, 2023 AT 3:32 PM

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