Edelbrock’s Pro-Flo 4 EFI system supports both forced induction and naturally aspirated Spark control (adjustable timing curve, vacuum advance and simple boost timing retard) Four user-adjustable fueling modifiers for idle, cruise, acceleration and boost Rev limiter and boost limiter to protect against over revving and overboost Base cals for both NA and forced induction V8 engines with distributors and Chevy LS engines Adjustable acceleration fuel enrichment Adjustable cold start fuel enrichmen
