**EFI-HEI is the same basic conversion as the Regular HEI conversion, but differs in that it uses an 8 pin General Motors Electronic Fuel Injection High Energy Ignition module. The distributor has "locked out" mechanical advance, and deletes the vacuum advance unit, so that the specific EFI...
TIMING DIAGRAM READ CYCLE 1 ADDR OE CS1 CS2 High-Z Data Out Note(READ CYCLE): 1. tCHZ and tOHZ are defined as the time at which the outputs achieve the open circuit conditions and are not referenced to output voltage levels ... ...
TIMING DIAGRAM READ CYCLE 1 ADDR OE CS1 CS2 High-Z Data Out Note(READ CYCLE): 1. tCHZ and tOHZ are defined as the time at which the outputs achieve the open circuit conditions and are not referenced to output voltage levels ... ...