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
STEVE W.
MECHANIC
13,465 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.