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 ...

Burch installed the prototype Digispark system in January, 2008 on his '72 Corvette ... equipped with an L98 engine (like C1, C2 and C3 models) and a late C4 kit for 1990-1991 Corvettes.