Among General Motors loyalists, one powerplant comes up again and again when the talk turns to vehicles that simply refuse to die. It rarely headlines auctions and it never wore an exotic badge, yet ...
A stock-based GM 4.3L V6 shocks the dyno with 1,400 horsepower at 33 PSI, proving this twin-turbo truck engine is far stronger than expected. Twin-turbo 4.3L V6 delivers 1,403 horsepower on the dyno ...