Upgrade or salvage?

Do we pull the motor/controller/charger out of the Fiero and put in the Spitfire or do we try a battery upgrade and see if the performance is good enough to make ‘Candy’?

It is an ’88 which makes it the pinnacle of the Fiero handling.

https://barnfinds.com/far-north-fiero-1986-pontiac-fiero-gt/

https://jalopnik.com/5501545/pontiac-fiero-the-definitive-history