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Drag Race Build Sl0wdsm 1991 Eclipse GSX

Specs & Mods

Ownership Status
Currently Own
Year
1991
Model/Trim
Mitsubishi Eclipse GSX
Turbo Type
GT40 Variant
Drivetrain
AWD
Transmission Type
Manual
Build Type
  1. Street
  2. Drag Race
Mods-Bolt-on
FP 4" intake
PTE 6262 with V-band exhaust housing
JMF drag intake manifold, port matched to S90
S90 70mm throttle body
ETS 4” race FMIC
ETS UICP w/ IAT
Hallman MBC
Tial 50mm BOV

DNP T3 tubular exhaust manifold
PTE 38mm external wastegate w/ v-band screamer pipe
3" stainless V-band downpipe
3” stainless exhaust, catless with magnaflow muffler

Dual external Walbro 450s
Aeroequip TFE 8AN feed
Fuelab 8AN fuel filter
FIC 2150cc injectors
Stock fuel rail, 8AN feed, 6AN return
Aeromotive FPR

300M COP setup with stainless plate
Dynatek ARC 2 CDI
NGK BR6ES @ .019”

Jayracing alternator relocation kit
2 gauge mil-spec wiring for alternator

Mishimoto radiator
2 FAL 12" pusher fans
Silicone coolant hoses
Mishimoto carbon radiator cap
160 degree thermostat

JMF small battery kit
Odyssey PC680

Carbon fiber hood w/ pins

TEDSPEC 6 point roll cage
Polypro race seats
G-force 5 point harnesses

Greddy turbo timer

Custom driveshaft safety loop
Threespeed scatter shield

B&M Oil Cooler with 8AN hoses

16AN port on valve cover
DSM3D Creations valve cover manifold stud kit
Moroso catch can
Mods-Engine
Block:
Eagle rods
9:1 Wiseco pistons
ACL Race bearings
Straight cut oil pump gears
Balance shaft delete, port welded shut on oil pump housing
Fluidampr crank pulley

Head:
ARP L19 head studs
Cometic MLS head gasket
Manley Race Pro valves
Bronze valve guides
Supertech viton valve stem seals
Kiggly race beehive springs
Kelford 272 cams
ARP cam cap bolts
Fidanza cam gears
GSC zero tick lifters
Kiggly HLA
Oil port mod #1
Gates water pump
Gates timing belt
Mods-EMS & Logging
DSMLink V3 Full
E85/SD tune by Ted Marquez

Innovate LC1 wideband
Autometer 45 psi boost gauge
Mods-Drivetrain
OEM 91 W5M33
Jacks transfer case
TRE rebuilt 4 bolt rear differential
OEM 4 bolt rear axles
OEM 4 bolt driveshaft
QuarterMaster twin disk gear drive
QuarterMaster chromoly flywheel
Sheptrans pedal assembly
Shifter base metal bushing kit
Mods-Handling
KYB AGX all four sides
Eibach pro kit rear
ST springs front
Ingalls camber kit front and rear

3000GT SL front brake rotors w/EBC pads
Stainless steel brake lines

Rota Slipstreams
Falken Azenis RT615K+
Parts Wishlist
PPG Dogbox
Boostin performance H-pattern shifter
MorrisonFab Exhaust manifold
PTE 6870
Bullet race billet block
Modern Concepts valve cover
Fuel cell
Haltech ECU
Background
The car was originally built by kilo4, and passed through 2 owners before I purchased the car in 2020. The car had been sitting for years, and has since been brought back to life (thanks to a lot of help from Ted Marquez), broken, and is being rebuilt.

The ultimate goal is to have a 9 second manual street car that is not just a track build.


9/2021
Jacks stage 4 trans exploded. Car was parked, motor and trans pulled. Original intent was to simply refresh some leaking gaskets, but it snowballed into a fun project.

11/2021
2 1991 W5M33s were found and brought home. Always nice to have a backup, even better it’s an early gearset

4-5/2022
Spent way too much money on new OEM parts, quite a few aftermarket parts, and decided the head needed to be fully rebuilt after seeing the carbon buildup on the valves and measuring the deck flatness at .0042”. After resurfacing we’re sitting at .0008”, and absolutely beautiful as well with the new valves and guides installed.

6/2022
The car is getting a full refresh, including a f*** load of degreasing and scrubbing, a 3 angle valve job, new Manley valves, bronze valve guides, Supertech Viton valve stem seals, ARP cam cap bolts, Kiggly HLA, GSC zero tick lifters, new gaskets throughout the motor, lots of new bolts, cometic mls head gasket, gates timing belt and water pump, new oem timing components. Waiting on the last piece of the puzzle, the NexxRacing oil pan gasket and the car will be put back together.


The car made 548WHP on 31PSI on a dyno dynamics, tuned by Lucas of English Racing.
Here is a link to the dyno video:
https://m.youtube.com/watch?v=yBDEp1RUKZs
Here is the dyno sheet:
https://www.dsmtuners.com/attachments/dyno-3-jpg.131783/

The car has since been turned up to 42PSI and tuned by TedSpec. The car will be going on a dyno once put back together to see the power difference.

Performance

Dyno HP
548.5 whp
Dyno TQ
387.7 lb/ft
Dyno Type
Dyno Dynamics
Dyno Shop Name
Equilibrium Tuning
Dyno Session Details
31PSI, E85
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Sl0wdsm
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