WAJA 4G18 convert DOHC pakage

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Engine and Performance

WAJA 4G18 convert DOHC pakage

WAJA2003

Senior Member
Senior Member
Nov 14, 2003
2,107
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Shah Alam
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doing WAJA 4G18 SOHC convert to DOHC
pakege inculd:
1. full set of mitsubishi twin cam head/ 2 pcs cam pully,2pcs cam,16 pcs valve,cover etc etc
2.metal gasket set for waja.
3.timing belt set MITSUBISHI.
4.Engine oil,oil fillter n coolant
5.finish with labour n those modification work.

Why convert twin cam"
in logic Twin cam will get more respond then SOHC.
easy for future upgrade,can put in adjustable cam pully,highcam etc etc.

wat driffrent after convert to twin cam??

Errr,for me i feel get more troque then SOHC
In high rpm will get more respond,after 4K rpm will raise faster then SOHC
N the engine is smooth then SOHC .
1 thing i can comfirm is TOP SPEED sure hv improve,last time 180kmh is start to soft liao,now easy over 180kmh,this 1 i can comfirm is real.

any thing can PM me
my location :shah alam bt3.
contact: 016 2652203 AH HONG

pic r below.

BEFORE

IN PROSESS

SEND TO MODIFICATION MECHINE JOB

INSTALL PROSSESS

DONE~~~~~~~~~
 

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mao_3873

Known Member
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May 4, 2008
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bro.. need to do any approval or endorse? and the header can use old one or need to use new? any other adjustment needed like changed compression ratio, ecu, wiring harness / exhaust / intake manifold?
lastly how is the cost?
 

fazleysyam

Active Member
Senior Member
Dec 29, 2004
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3,006
hi..interested..

whats the different in terms of torque n power..

care to share the chart between the original 4g18 and the converted 4g18 doch..

tq
 

WAJA2003

Senior Member
Senior Member
Thread starter
Nov 14, 2003
2,107
22
3,138
Shah Alam
Visit site
hi..interested..

whats the different in terms of torque n power..

care to share the chart between the original 4g18 and the converted 4g18 doch..

tq
hehe i dint do any DYNO.but i can sure is got driffrent. welcome to test drive first.
 

viper5965

Known Member
Senior Member
Oct 6, 2007
363
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1,518
wat kind of mitsu head are ur using bro?its 4g15 twin cam from mitsu MX?
 
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