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1992 Polo Green 6 speed PERFORMANCE $7000

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Old 12-16-2016, 08:36 AM
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dixiespeed81
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Default 1992 Polo Green 6 speed PERFORMANCE $7000

1992 Chevrolet Corvette Base LT1 5.7L MPFI 6speed

I have up for sale a 1992 Chevrolet Corvette LT1/ZF6speed. The car is a daily driver with no mechanical issues. I’ve owned the car for nearly 2 years and I am only selling to downsize the toy collection. This is the 5th Corvette I have owned, I know and love these cars. I’m an automotive engineer with experience in automotive restoration/repair and most of the work was completed by myself. The LT1 C4 Corvettes were ahead of their time. This car handles incredibly well and the engine upgrades make it really fun to drive. Just recently I have made 2 one thousand mile trips in the car with no issues. I would not hesitate to drive the car across the country. This car has all the LT1 bolt-ons and some internal engine work to complement. This is not your everyday stock C4. The car has plenty of power to roast the tires in 1st/2nd. Also I have most of the receipts to back up the work/parts. The car needs nothing to be a great daily driver.

Engine Upgrades/work
GM Hotcam Kit – .525 lift camshaft, 1.6 RR, HD springs/keepers
Heads serviced – valve job, resurfacing
Ported intake manifold
EGR, AIR injection deleted, Throttle body coolant bypass kit
Electric water pump
Oil separator for PCV system
New Innovate dual wideband O2 gage/sensors
Tuned with TunerPro software
New IAT, MAP, ECT sensors
Flushed coolant
Replaced power steering fluid (Lucas oil w/ conditioners)
New radiator fan #2
New spark plugs (AC Delco)
New T-Stat (180°F)
New PCV
New intake manifold gaskets
New fuel filter
New radiator cap
New ignition coil
Taylor race 8.5mm red plug wires
New Opti-Spark Distributor
New fuel pump
New fuel pressure regulator
Shorty ceramic coated headers
Flowmaster exhaust system
K&N air filter, open airbox
Mobil 1 full synthetic 5w-30 always used
CAGS 1st-4th skip shift deleted
Battery quick disconnect
EPROM chip quick change socket
Moates Flash n Burn EPROM chip burner
Red Devil River OBDI cable

The car came to me with many issues, but the largest concern was the tune. The previous owner bought a mail-ordered tune for the Hotcam kit, but the fuel tables were incredibly rich. I purchased the necessary chip burner/chips/software to correct this. I also installed wideband O2 sensors in place of the narrowband sensors in order to aid in tuning. The widebands have a configurable output voltage that I use to emulate the narrowband sensors. This allows for proper closed loop fuel control. Now that the fuel tables (VE tables) are accurate, the car runs great. I will include all necessary files/software/hardware to enable the buyer to tune the car. The car was tuned using Tunerpro, which gives you control over nearly everything in the ECU (Fuel, Spark, Fans, EGR, Idle, etc). The hotcam kit has very similar power/torque to a stock LT1 until the engine speed reaches about 3000rpm. Then the power kicks in and the car really wakes up. This package should make about 425 crankshaft horsepower. Gas mileage around town is about 15 mpg, but on the highway I have reached as high as 25 mpg. With 20 gal fuel tank the car can reach 500 miles between fill ups on highway. The engine runs 195-200°F at all times. All necessary components to tune/data acquisition the car are included. This means Moates Flash N Burn chip burner, spare chips, OBDI cable, calibration and definition files (I will include stock cal, mail-order cal, my cals). I recently fabricated muffler deletes and center exit tips. The flowmaster mufflers/tips will come with the car.

Transmission
Oil changed with BMW engine oil
Spec Stage 2 clutch
Flywheel resurfaced

The transmission shifts flawlessly. The clutch has no issues transmitting the power and I have never experienced any slip. The fluid was just changed less than 2 months ago.

Suspension/Brakes/Steering Upgrades/work
Drilled/slotted rotors FR/RR
Performance brake pads
New Master cylinder/booster
New Monroe shocks
New front lower ball joints
New half-shaft U-Joints
New rear wheel hubs
New leaf spring bushings
New alignment (8/2016)
New emergency brake line (rear)
C5 Corvette thin spoke wheels with BFG G-Force tires

This was another area of concern when I bought the car as much of the suspension was worn and out of spec. With that being said, all suspension components are now properly working. The car tracks straight down the highway at 90 mph with no vibration or wander. Tires have lots of life left in them. Brakes stop on a dime. No play in steering. E-brake holds strong.

Interior
New Kenwood Bluetooth head unit
New speakers
Wideband O2 and Vacuum gage
Carbon fiber roof hoop cover
Newly reupholstered seats (embroidered with Corvette/C4 Logo)
Racing shift ****
Viper alarm system, passive keyless entry (partially installed)

The interior of this car is very nice. The seats were recently upholstered. The rear carpet has some stains.

Exterior/Cosmetic
Blacked out fog lights, taillights, side markers
Windows tinted
Headlights work as they should
Oooga horn installed

There are 2-3 small scratches that are in the paint and a couple that can be buffed out. The car is factory Polo Green and shines up really nice.

Included
All tuning software/hardware
Any spare engine parts
Chilton service manual
CD ROM Factory Service Manual
C5 magnesium wheels/tires (If they are not sold separately)
Flowmaster mufflers/tips
Spare keys

Known Issues
Window weather stripping leaks
Headlight Hi/Lo beam switch is stuck in Hi
Rear carpet dirty/stained
2 small paint scratches
Steering wheel tilt has some play
Reverse lockout doesn’t work
AC needs to be recharged
Some interior hardware missing (door handle covers, trim screws)
SYS light – This is due to the aftermarket radio. Needs resistor installed
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Old 12-16-2016, 03:36 PM
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mixalive
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Z07 optioned?
Old 12-18-2016, 12:18 PM
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dixiespeed81
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Originally Posted by mixalive
Z07 optioned?
No it is not Z07 optioned
Old 12-19-2016, 08:46 PM
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YoungLion
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Default 92 Green 6spd

Where is this located??
Old 01-02-2017, 08:35 AM
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dixiespeed81
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Originally Posted by YoungLion
Where is this located??
Located in Shelby Township, Mi.
Old 01-02-2017, 08:38 PM
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9T3VETTE
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Saw your ad on Craigslist, bump for a local guy with a nice C4
Old 01-18-2017, 07:53 AM
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dixiespeed81
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