1999 CADILLAC SLS

  • Tiny
  • finamus
  • 1999 Cadillac SLS

Engine Mechanical problem
1999 Cadillac SLS V8 Front Wheel Drive Automatic 68000 miles

I have been told that this year engine trans combo is unique and older northstar engines do not mount the same/not compatible--if so why and can a cradle and engine/trans be transplanted?

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Friday, February 13th, 2009 AT 4:42 PM

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  • Tiny
  • factoryjack
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  • 4,263 posts

If any earlier, it would be 1998. That is when the 5th generation Seville hit the streets. There might be certain specifics that I am not aware of that could prohibit it. 98 and 99 should be fairly close in design.

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Friday, February 13th, 2009 AT 10:06 PM

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