The C4 Corvette glory years ranged from 1990 -1995 when the King of the Hill reigned. Today, parts are becoming scarce for this work of moto-art. Two critical components are the Direct Ignition Module (DIS) and the Engine Control Module (ECM).
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Managing the throttle can be difficult while testing under the hood. Gently pressing the cruise control servo does the trick.
With its middle spark plug, surrounded by 4 valves, the LT5 utilizes slightly hemispherical heads.
Jump A to G on your ALDL Port and the speedometer becomes a diagnostics code reader.
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The C4 ZR1 goes from 0 to 150 MPH in under 30 seconds. It gets you there - FAST!
Over 3000 ZR1s built between '90 and '95 were a shade of red.