Performance mods for Craig A. Thompson
ra1820@email.sps.mot.com
Here are the details on my '93 LT1 Coupe, Polo II Green/Beige Leather
w/Stealth Hatch Wing. Parts selected and bolt-on's installed my me.
Major top-end engine modifications done by John Lasker of Corvette
Specialties, Austin, TX (512) 832-6223.
Factory Options:
- Auto Tranny
- Auto Climate Control
- Dual Pwr Seats
- Bose Gold CD/Cassette
- Two Tops Painted/Glass
Modifications:
Engine:
- 350 LT1 LT1
- CNC Cylinder Heads w/ 2.00 Int. & 1.57 Exh Valves
- Crane Gold 1.6 Roller Rockers (Self Aligning)
- Rev Hardened Pushrods
- Crane Cam - .210/.224 .510/.552
- TPiS 52mm Throttle Body w/airfoil
- Custom Prom
- '95 OptiSpark Conversion
- LT4 HP 1/2" Timing Chain
- March Reduction Pulleys (Alt..& Dampner)
- 160 deg. Thermostat
- TPiS Variable Fuel Pressure Regulator (43.5 PSI)
- JET Cool Air Box w/K&N Filter
- SVO 241b. Injectors
Ignition:
- Accel 300+ w/coil
- Current: Taylor 8mm Wires
- Upgrade: MSD 8.5mm
Exhaust:
- SLP 1 3/4" Stainless 'Stubby' headers
- Power Effects 2 3/4" CatBack Adjustable Exhaust
- Stock Dual Cats
Tranny/RearEnd:
- Automatic 700R4/4L60
- Precision Industries 9.5" Vigilante Torque Conv. w/2600 Stall
Speed
- Trans-Go Shift Kit
- Dana 36 w/Strange Gears 3.73's
Brakes:
- Factory Front HD 13" w/'96 Corvette Logo'ed calipers
- DRM Stainless Braided Brake Lines Front/Back
- AutoZone Carbon/Metallic Pads
Miscellaneous:
- TPS adjusted to 700mv at idle
- Relocated IAS sensor
- Re-torqued Knock Sensor (14 ftlbs)
- Bypassed TB coolant lines
- Blocked Intake Exhaust Air Port
Best 1/8 and 1/4 Mile Times.
NOTE: Used BFG 255/50/16 Drag Radials @ 16 psi Removed front sway bar
bolts. and spare tire. NO POWER ADDER! All Natural!
- 60ft Time: 1.681
- 330ft Time: 4.925
- 1/8 E.T.: 7.709
- 1/8 MPH: 88.46 (Top MPH 88.75)
- 1/4 E.T: 12.050
- 1/4 MPH: 113.43 (Top MPH 113.76)
Planned Mods:
Definite:
- Accel/LPE SuperRam Intake
- Compucar Nitrous System
- Random Technologies Dual Cats (Availble in a couple of months)
Possible:
- Vortech SC
- 383 Stroked
- Dana 44 Conversion w/3.92 or 4.09
- Vette Brakes Suspension Upgrade
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