Engine swap
3 Answers
You did not say what year LeSabre or what year Aurora. If they are the same years, the Buick had a V6 and the Aurora had a Northstar V8....it might fit but you will probably need to do modification to get motor mounts. I would also try to use the Aurora transmission because (1) the Aurora engine may not hook up to the V6 transmission (2) the V6 transmission may not last behind the Aurora engine.
I have a 1994 le Sabre but I don’t have the engine if you have a suggestion for year for the Aurora that’d be great
If you are set on putting a Northstar into the LeSabre why not go with a Cadillac. There are a lot more out there so they will be easier to find. There were some problems with early Northstar engines, the first year of the Northstar was 1993 so I would go for a late "90's engine or newer. I don't think you will find a step by step instructions so you are pretty much on your own.
