Project Car: Proton Wira 1.6 Bolt on Turbo

-Under construction-! Check back later for updates!

183.19whp @ 6,800 rpm (Dyno-ed on DynoJet at GT Auto Sunway) 
199 nm Torque
Boosting: 0.65 Bar
0-100km/h: To be tested
Tuned by Thomas @ GT Auto

Mitsubishi 4G92P SOHC 1600cc Engine
1.5mm Metal Gasket
TD04 Turbocharger
GSR Turbo Manifold
2.5" Exhaust piping
Quad Core Plug Cables
Denso Iridium Spark Plugs
Drift Performance Fuel Pressure Regulator
HKS Open Pod Air Intake
E-manage Blue (Piggyback)

4G15 5 Speed Manual Gearbox
VR4 Flywheel
4G92 Clutch

D2 Adjustable (Hi/Low) Coilovers
15" Sprint Hart Formula CP-F
PU Steering Bush
Ultra Racing 2 Point Engine Strut Bar
Ultra Racing 2 point Rear Tower Bar
Ultra Racing Rear Anti Roll Bar

Promote V1 Front Bumper
Replica Evo 3 Front Bonnet
GTI Fender Arches
GSR Side Skirt
GSR Rear Skirt

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------------------------Previously Setup (170bhp) ---------------------

My project car: 4G92 Proton Wira 1.6 BUDGET  Bolt on Turbo. For foreign country, the Proton Wira is actually a Mitsubishi Lancer using the same 4G92 1.6 SOHC engine. I have bolted on a turbo kit for some time, and below is my car's current specification! Feel free to ask me if you have any question regarding bolting on a turbo, as I have some minor experience in this field. I can't stress enough that this kit is built on a tight budget! Total cost is less than RM5,000 which is equivalent to 1500 us dollar.

Proton Wira 4G92 Bolt on Turbo kit (Kit works for 4G91, 4G92, 4G93 engines!)
1) 4G93 GSR turbo manifold
2) 4G93 GSR Downpipe
3) 4G93 GSR TD04 turbo with wastegate
4) HKS SSQV blow off valve
5) Front mounted intercooler (unknown brand)
6) Stainless steel pipes and silicon joints
7) Oil Sump with necessary fittings for turbo oil return
8) Jasma 2.5" inlet straight flow muffler

Item 1-8 bought for RM2,500 only! Second hand item. You can probably buy all these parts in any half cut shop like Mun Lee.

9) 4G92 metal gasket  RM150 new
10) Imitation Defi Boost meter RM90 new
11) 2.5 inch exhaust pipe from downpipe to muffler RM400 new
12) E-manage blue RM750 second hand
13) MAP sensor, and ignition wire harness for E-manage RM450

Result? My car still has some misfiring issues and gearbox slips like mad, but managed to achieve 170bhp.

Installation and tuning done by my friend mxsteven and kong (thanks a lot bro!)

Coming up: changing to manual transmission! yes I was on an autobox the whole time, now the auto gear box is behaving funny. Time to go for a stick! **EDIT! Changed already! so much better - Refer to above**


  1. This is so cool... I am working on this too! May I know what's the MAP sensor for?

    1. Its for the E-manage, they can use it to fine tune even better :)

  2. Is it road legal?

  3. yes..because the turbo it just an accessories...u still using the same engine number...my friend JPJ guys told me...

  4. did u change ur piston from high comp to lower comp. ? and how bout injector?still using da same?so far got any problem?btw. im using da sme engine as yours..stll thnkng not to throw away this sohc heart~

    1. can use the the standart piston (high comp)..but must rebore the valve curve..make the valve curve more deeper...its make low compression..u can play high boost n doesnt crack your engine head...injector better change to the bigger sizes...then controlled the petrol it by tunning..

    2. Nice information bro! Thank you :)

  5. Hi, i using Wira 1.6 Auto and my gear box is breakdown. this is the 3rd time change gear box.
    Do you have any idea to change what type of mitsubishi gear box to my Wira 1.6 auto??

    1. Hello! You can install gearbox with 4G92 (Mitsubishi)or 4G93 also can....

  6. hello..is that better if i install 1.8 cylinder block n piston then i make BOT into my 4g92 too?

    1. change block already need to register JPJ.... might as well just change to 4G93T GSR

  7. is the transmission of lancer is the same with the transmission of proton wira?

  8. my proton got a problem with the transmission.

    1. if the engine is the same series no problem. Btw Proton 4g92p's gearbox should be Mitsubishi also.

  9. hello.. why must use 4g15 gearbox..tq

    1. Shorter gear ratio, better for acceleration. However depending on your boost, if higher boost longer ratio can be beneficial as the boost takes longer to build up.

  10. Hi,i'm using wira 1.6 auto,i just want to ask..is it suitable to fit bolt on turbo into an auto wira just like mine? How much it will cost me? Will it affect my car fuel comsumption?

  11. can you put together a 4g92 sohc turbo kit for sale?


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