Need help on used 2000 GT I'm looking to buy. What has been done to the engine?


New Member
Oct 26, 2018
London, Ontario, Canada
Hello everyone. I'm looking to get my first Mustang. I found a used 2000 GT about an hour's drive away that looks good, but the picture of the engine doesn't seem to match the stock engines I found online (for example, the alternator has been moved to the right). I'm not terribly knowledge on engine mechanics (yet), so am looking for your help.

I have 2 questions:

1. Can you tell from the picture what modifications have been done?
2. Would you be concerned about buying this vehicle and why?

Any help is truly appreciated.




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SN Certified Technician
Aug 14, 2009
Houston Texas
Well.........That's certainly not the motor that comes stock in a 2000 model year Mustang GT.

That motor looks like an over head valve (OHV) 5.0 that would have been inside a 1995 or older Mustang.

The 1999-2000 model year Mustang GT should have come with a 4.6 SOHC Windsor iron block.

Are you positive that the body model year is 2000 GT?

While there are many people that might disagree, my concerns:
  • on going maintenance as this car is at best, non standard
  • compliance with local emission laws. If where you live has an ODB2 emission compliance laws, this car would never pass.
  • Resale value. While it's true that some people might consider the car worth MORE with the swapped motor. Regardless, the population of people that would be interested in such a motor swap project is more limited than a pure stock example.
Last edited:


New Member
Oct 26, 2018
London, Ontario, Canada
Yes. If you saw the exterior shots, there's no doubt. Thanks very much for your help. A quick internet search of the engine you mentioned shows me your exactly right. Thanks again.
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