Join Date: Apr 2012
Location: Indianapolis, IN
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Very beautiful car! The main thing to remember here though is that it is YOUR car... so whoever is telling you to keep it stock or do this or do that, their opinion doesn't matter. Make the car look, drive, and handle how you want it to regardless of what any of the purists would say.
As far as your upgrades, maybe your transmission just needs a better torque converter. That can make a big difference in how the car drives. Also what gear ratio is in your 12 bolt rear end? Stroker kits are a great way to get more power out of a motor and still retain streetability with high horsepower. If you stroke the motor you might consider a set of aluminum heads. I would talk with some professional engine builders who specialize in Pontiac motors (they're a lot different than Chevy!!!) and find a combination that suits your goals for what you want out of the car. If I was going to drop $3000+ on a new transmission I would do a 5 speed swap, because they are way more fun to drive! EFI will be more complicated but will make fine tuning much easier, will increase mpg to an extent, will make the car more reliable especially on cold starts, and can add horsepower. Hopefully this helps but just remember to do what YOU want to do because it is YOUR car. Have fun!
"You Gotta Have Fun When You're Little!!"