Not without seriously extensive modification
No.
it should
FROM : GM Performance catalogs, you also can try www.SDPARTS.com they have a 320 hp/ 310 LBs torque, Northstar 4.6L that costs $4,325 and Should fit the STS and SLS, Hope you can find what you looking for.
Yes. The engines are both V8 northstar engines, the one in the SLS is just a different version with less horsepower and more torque.
Yes.The engine was the same 4600 V8 NorthStar which had 2 versions with different horsepower depending on the model trim.
The era gap is huge when considering a 1990 Deville to a 1997, no way is it possible unless you have tons of time to make extreme modifications and LOTS of money.
Will a Sunfire GT transmission fit what? Can you give us a bit more info, please?
3800 sII 3.4 dohc northstar 3800 sII 3.4 dohc northstar ironduke
No it will not.
no
can you fit 23 ich rims on a cadillac deville 2000
Yes, a 1998 Cadillac Catera will fit in your 19971 Cadillac Catera. The model of vehicles are very close to one another.