1996 Cadillac STS A Swap

1996 CADILLAC STS
141,000 MILES • V8 • FWD • AUTOMATIC
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BOB PATERSON
  • MEMBER
  • 1 POST
I have the problemayic 4.6 L Northstar. I wiant to know if I can readily swap it out for the 4.9Lm or would anoyher engin swap be easier?

Thanks Bob
Sep 28, 2009 at 11:46 AM
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FACTORYJACK
  • ✓Experienced Mechanic
  • 4,159 POSTS
There would be more difficulty than it would be worth, and I would say next to impossible. Different frame/mountings, different transmission, to name a few. The STS lost the 4.9 in 93-94, and the entire geometry changed under the hood.
Sep 28, 2009 at 5:29 PM
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