Northstar Engines and System Technical Discussion Discussion, 1997 sts in Cadillac Engine Discussion; What year engines will interchange with a 1997 STS? Thanks!...
- 02-10-10 02:43 PM #1
What year engines will interchange with a 1997 STS?
- 02-10-10 08:05 PM #2
Re: 1997 sts
96 to 97 STS and 96 to 97 Eldorado ETC without any changes, 93/94 either STS or SLS or Eldorado if you use your 97 heads and intake. you can make a 98/99 STS or ETC fit with some motor mount and intake changes.
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