Tuned Port Injection may seem primitive by contemporary standards, butin its day, "TPI" represented an important step forward in the evolutionof Corvette ... L98 equipped with the HP Performance ...

I have a 1990 C4 ... Corvette) with a stock 350 L98 TPI/4L60 combo. I want to increase performance and efficiency, but I don't want to go the LS route. I'm considering a 383-stroker build ...