The car is not only a rare convertible, but also one of 12 converted IROC convertibles by Lingenfelter in 1988. Lingenfelter only put this engine package in 12 IROCīs to contribute the 12th season of the IROC Racing series. 1987 11.. 1989 had 13... 1990 14... For unknown reason they only put this packages in IROC convertibles. Unfortunately itīs almost impossible to find information about these extreme rare convertibles.
Package includes:
Engine removal, inspection and disassembly
CNC porting & polishing of cylinder heads
LPE modified L-98 Plenum
LPE/Accel SuperRam Base Intake Manifold
LPE/Accel High Flow TPI Runners
LPE valve springs and lightweight valve spring retainers
Titanium valve spring retainers
Stainless steel intake/exhaust valves
Three angle valve job, set correct spring tensions & heights
Custom designed LPE hydraulic roller camshaft
Competition Cams stainless steel full roller rocker arms 1.6:1 ratio
Adjustable fuel pressure regulator
Edelbrock Tubular Exhaust Headers
LPE street performance torque converter
Transgo shift kit
Steve Spohn subframe Connectors
Hypertech Cool Fan Switch
Hypertech Air Charger
LPE high performance thermostat
LPE modified mass airflow sensor
52mm billet aluminum throttle body
LPE engraved throttle body cover
Professional installation, testing and tuning
LPE ram air induction kit
Chassis dyno testing after installation