I have a 91' with secondaries eliminated and
RC Injectors.
Three 90's all with
RC injectors and secondaries including starter reconditioned like new.
All four ZR-1s have
Haibeck chips.
All four have
TB coolant blocked at Injector Housings.
All four have the
Starter Relay installed.
All four have
Jerry's gaskets and SS bolts.
All four have full compliment of
Carter Bling 
All four accelerate like greased lightning with NO bogging or hesitation in any gear at all RPMs 
Oh.........And a 90' (L98) with
Haibeck Chip......also greased lightning