1998 Eclipse 4G64 Spyder Performance Upgrades

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Stock Pics and Data:
- Eclipse 98 GS Spyder
- 2.4L 4G64 16 Valve SOHC engine.
141 Net HP (~112HP to wheels), 9.5:1 compression, 141 ft.lbs. torque@3000rpm
- 5 Speed Manual Transmission
- 16" 5 spoke factory rims

Turbo and DOHC Conversion:

- 98 turbo DOHC conversion. 98 GSX refinished head, ARP 7-bolt studs, 3G revised lifters. Parts list 1 and Parts list 2.
- 98 turbo intake manifold ported to 62mm throttle body. Includes 2G turbo coil packs, FPR, and sensors.
- 2G turbo 450cc low impedence injectors and resistor pack with stock 2G fuel pressure regulator.
- 98 GST ECU swap with installed 2G knock sensor and 450cc injectors. 98 Spdyer guidelines here
- Zeitronix Wideband O2 system w/logging
- SS 6AN fuel line from filter to fuel 2g turbo fuel rail w/6AN fittings.
- Walbro 190 LPH fuel pump with 10AWG pump rewire mod on VFAQ.com
- Hyundai Valve cover refinished by yours truly w/allen bolts.Pic 1 Pic 2 Pic 3 Pic 4
- Mitsubishi 94 DOHC 4G64 Galant timing belt and head gasket.
- 4G64 DOHC CAM gears and head gasket from 94 2.4L Galant.
- BBK 62mm 2G turbo throttle body (stock is 54mm) w/ ISC idle valve blockoff plate.
- Homemade ISC CEL elimator. Make your fake ISC load here.
-EVO Big 16G turbo ported from Forced Performance. Pic1
-EVO III O2 housing ported heavily by Forced Performance.
-EVO Exhaust manifold nicely ported thanks to Mr. Kim Steele.
-25X7 core hybrid Bar-n-plate front mount intercooler. install pic1 install pic2 Install completed
-3" stainless turbo back exhause and high flow cat
-2.5" Stainless steel intercooler piping custom made by Forced Performance. K&N filter on 3" intake pipe.
-GM 3" MAF and MAF Translator for 2G DSM in blow-thru configuration.
-2G turbo used oilpanCleaned and painted w/SS pan bolts and magnetic drain bolt
-Turbochargers.com braided oil return line for turbo. Pic here
-1G stock BOV
-Joe P manual boost controller set for 10PSI
- Taylor Thundersport 10.5mm 50 series spark plug wires for turbo Eclipse.
-Fluidyne 2G turbo SS radiator
- Flex-a-Lite dual low profile radiator fans for 2G Eclipse (black) w/ 170 thermostat
- Optima 34/78 Series Red Top battery & Alum tie. Homemade O2 free ground wires.
- Jaz Products oil valve cover breather/overflow bottle (eliminates injecting hot/oily air into intake).
- Energy Suspension engine mount inserts.
- Vented Carbon Fiber hood from Forced Performance w/Tenzo SS hood pins.
- Spyder Fuse box bracketry removed and box relocated here.
**Original SOHC head mods and pics here

- 8.5lb Fidanza aluminum flywheel (stock Spyder flywheel weighed at 15.5 lbs)
- ACT 2100 Clutch kit
- MachV Symborski shift kit: metal bushings to reduce shift play
- B&M Short shifter (35% throw setting)
- GM Synchomesh Transmission fluid
- Tenzo 17" Psycho Rims with BF Goodridge 225X45X17 G-force Sport tires
- Front Brembo Cross drilled and slotted rotors with semi-metallic pads
- Rear caliper brake conversion from a donor GST (stock Spyder brakes are drum brakes). New Brembo rotors.
- Goodrige stainless steel brake lines for front and rear.
- Metal bushing replacing the rubber shift cable bushings on tranny for more precise shifting.
- Stainless steel clutch line from RRE
- MOMO aluminum shift knob
- Cruise Control removed. Non Cruise throttle cable installed resulting in smoother throttle action.

- Gadgetseller.com blue digital air/fuel gauge
- Zeitronix ZT2 Wideband O2 system. Pc jack wired into cockpit near ECU.
- MAFT control box extended into center console storage box.
- MOMO Aluminum shift knob
- Raptor RPM shift light
- Alpine 7892 CD Receiver and Polk 6 1/2 speakers at 4 corners. Pulled the factory AMP too.
- Alarm System
- RAZO carbon fiber pedals.
- Custom painted interior center dash to match white exterior
- Autometer Ultralight Boost, EGT, voltage, and oil pressure gauge
- Manual cockpit switches to turn ON/OFF FAL fans and gauge lights
- Indiglow gauge panels
- Bel 960 Radar Detector
- Automatic antenna replaced with low profile non-electric model. Pulled the electric motor.
- Xenon "bright white" headlight bulbs
- GTech Pro performance meter. Great for 1/4 runs and seeing mod improvements
- PocketLogger tuning software on Palm M100 to monitor A/F, timing, fuel trims, RPM, etc.