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I have owned my VR4 for 15 years now . Over this time I have built a forged engine. I stayed with the 2.0l capacity. All the supporting mod like improved fuel system , 3.5" stainless exhaust , Forced Performance FP3052 turbo , AMS sheet metal intake manifold .
Last year I decided to upgrade to a LINK G4+ pnp ecu but as I had just finished the HPA wiring harness course decided to make a custom harness from scratch with TXL wire and new fusing and relay box. I though while I was at it I would change the ignition system from a wasted spark system to a coil on plug direct fire system. I had to reconfigure the ecu to suit.
I did all the confirmation setup but decided to get a flex tune by a local performance shop .
The end result was a healthy 325awhp on 22psi on pump unleaded and 430awhp on 29psi on e85. I had a goal of 400hp so I decided to not push any harder for the moment as the driveline is mostly stock apart from heavy duty clutch.
My future plans are to fit my 2.3l stroker that I have stored with a better clutch and rebuilt gearbox .
A few more recent pictures
I have been checking out other peoples threads so I thought I would add some extra details
Engine - 4G63T ( VR4 6 Bolt )
- Wiseco 8.3:1 Pistons ( 20 thou over )
- Scat rods
- ARP headstuds , rod bolts and main studs
- Tunnel bored block
- ACL Race bearings
- Balance shaft removed
- Japanese oil filter housing with oil cooler lines
Head - 1mm oversized intake and exhaust valves
- ported head
- BC 272 cams with BC springs and retainers
- Unorthodox cam gears
- 3g revised hydraulic lifters
Exhaust - Forced Performance Race turbo mainfold
- Forced Performance FP3052 ( Garrett GT3076 turbo with Forced Performance stainless rear housing )
- Tial MVR44 wastegate ( 14psi spring )
- Stainless 3'' dumpipe
- 3.5" stainless exhaust with single resonator
- Varex 3'' muffler with dual tips
Intake - AMS VSR intake manifold
- S90 70mm throttle body
- 2.5'' intercooler piping
- 250x600x75 intercooler
- Tial Q Bov
Driveline - Stock rebuilt gearbox
- Exedy HD clutch
- Hel Performance braided clutch line
Brakes - RDA slotted and dimpled rotors front and rear
- QFM pads
- Hel Performance braided lines
Electronics - Link G4+ ecu ( VR4link )
- Custom harness
- Link CAN Lambda 02
- Autometer 100 psi fuel pressure sensor
- 250 psi oil pressure sensor
- HP Stream 7 tablet ( dash mounted )
- Prosport Oil pressure , Water temp and Boost guage
- Contenetial flex sensor
- Optima D34 battery
Fuel - 2200cc Bosch injectors
- Turbosmart FPR1200 regulator
- Radium Engineering pressure damper
- Radium Engineering filter
- Aeroflow fuel rail
- Walbro 450 intake pump
- 8an feed line from tank to fuel rail
- 6an return from rail to tank
Body - Japanese RS front bar with projector fog light
- Japanese rear bar
- Japanese RS bonnet
- Japanese 88 rear tail lights
Audio - Pioneer DEX-99RS ( audio file headunit )
- Audison LRX1.400 amp ( monoblock )
- Audison LRX2.250 amp (2 channel )
- Hertz HDP5 amp ( 5 channel )
- Audion VOCE 3 way front splits
- Hertz EBX10 woofers x 2
- Aeropro 1.5 Farad capacitor
Wheels - Black Racing 3 piece ( 15 x 6.5 - 25P )
Suspension - G4 coilovers
- Whiteline front and rear sway bars
- Whiteline strut bar
I have always intended this car to be a street car with good power . I still have some things to finish like the AC working and some touch ups on the 30 year old paint.
Cool car, you have done plentg of tweaks.