I am currently replacing the motor for my 98 and need to know if a 2001 from a grand prix will fit. They say it's the same motor which im sure it is, but my mechanic seems to think that the brackets wont line up.
HELP i need to know before paying for this stupid thing!
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Re: 1998 Pontiac Bonnevilee SSE
Yes the engine will fit if the engines are the same. you will have to change some of the bracketry and definatley change the rear exhaust manifold as the exhaust flanges vary slghtly from model to model. The root engine is the same though.
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No. As there are three different engines that can be in that model in both years, the numbers for the alternators do not match for any of the engines. The mounting locations do not align, and the 2001 uses a 110A alternator while the 1998 uses a 105A alternator,
You can replace it as long as the one you are replacing is the same set-up. If you have a manual adjusting seat and replace it with a power seat it will fit but you wont have the hook ups for it. Also make sure if it is a bucket seat (single person) you dont replace it with a bench (3 persons fit in front) seat or you will run into problems with the center console and shifter. vice versa may bolt up but there will be a gap between the 2 front seats
You will only be able to fit a 3800 engine in this car. If you would really want to swap a different motor a 3800 superchanged L67 engine will fit but you will need a heavy duty tranny from the 3800 motor and you will also need a wireharness injectors and harness and also a PCM. You can find these motors for a pretty cheap price on moradparts from ebay. They also have their own website. Very very good place to buy used W body GM parts