yes it will
yea its only a few inches longer, it will be fine
yes it will... even the supercharged engine fits in there just perfect... try motorswap.org for info on the swap... its not very hard and many people have done it
It should fit Matt.Just make sure the tranny hooks up to it.Also I think you'll need the ECM from the 3800.
Looking for a Used Grand Prix in your area?
CarGurus has 3,814 nationwide Grand Prix listings starting at $900.
Search Pontiac Grand Prix Questions
Are you a UK consumer? CarGurus now has a discussion forum in the UK.
Pontiac Grand Prix Experts