Car Servicing and Performance Upgradement

  • Updates: Thread Thumbnails added to all forum channels / Explore Similar Threads after reading any post / Dark Mode selectable via header lightbulb / Bigger text / Navigation bar Updated / Try Dark Mode - Select Light / Dark from the footer area / Hi All, the forums have just been upgraded, please bear with us while it is being improved as we speak - May 19 2020 0000hrs

Arya12

New Member
Aug 24, 2018
5
1
3
25
Salam guys, i have Proton Wira engine 4g15 SOHC. if i want to change SOHC to DOHC by changing top engine is it possible and worth it?
 

Izso

Boooooossst
Helmet Clan
Moderator
Mar 28, 2004
14,733
6,218
3,213
KL
Hi bro.. question is why do you want to do this? It's easier to just change whole engine + wiring. 4G15 depending on which model doesn't have a easy head swap fitment. Is your 4G15 VDO or MMC?