TriniTuner.com  |  Latest Event:  

Forums

4g15 tune up

Mitsu Lancer, Evo, GSR, MIVEC, 4G**, GDI, Galant, Outlander, L200 Sportero/Triton etc.

Moderator: 3ne2nr Mods

User avatar
nsmitsu
3NE 2NR for life
Posts: 147
Joined: March 11th, 2004, 11:11 am

4g15 tune up

Postby nsmitsu » January 23rd, 2008, 5:15 pm

Hi guys, i have a ck2 with a 4g15 DOHC and am now going to do a complete tune up. I'm interested in getting max performance out of the engine (already put in KN short ram intake and changed exhaust system). I know the timing belt has to change - i'm looking for advice on plugs and such and what other things can be done to maximise performance of the existing engine. Much appreciated.

Advertisement
User avatar
JM
3NE 2NR for life
Posts: 104
Joined: June 30th, 2006, 7:03 pm
Location: Contemplating the Pro's and Con's of breathing...

Postby JM » July 11th, 2008, 1:27 pm

WOW...real response here dread..
:P

User avatar
Stay Tuned
Sweet on this forum
Posts: 339
Joined: June 12th, 2006, 9:23 pm
Location: On yuh bumper!!!
Contact:

Postby Stay Tuned » July 11th, 2008, 2:16 pm

^^^^LOL :lol:

centralized(m)
Sweet on this forum
Posts: 277
Joined: January 24th, 2008, 4:32 pm

Postby centralized(m) » July 11th, 2008, 2:42 pm

4G13/4G15 modifications guide Jan 30, '08 11:27 PM
for everyone

due to many repeating new topics asking about modifying 4g13.4g15, i would like to give some guidelines on modifying these engines.

1. intake and exhaust
intake: keep the original air filter. those apexi, K&N, HKS power filters won't increase HP dramatically on small, NA engines. but CAI (cold air intake-DIY) usually help.
won't increase fuel consumption(standard)

exhaust: follow original route, 1.7/1.8 inch is the best. use big mufflers. for max acceleration, don't use mid silencer(bullet). for balance between pickup and top speed, use 1 bullet. for better top speed, use 2 (or more for hardcore) bullet. use powerzone extractor, it is the best for 4g13/15
slightly increase fuel consumption

2. spark plug & cable
best spark plug cable is the standard one. for spark plug, i think bosch super 4 is recommended. don't use platinum, iridium, or others...

3. port and polish
this one is the best mod. clean out carbon from engine head. (like top overhaul). can feel better power across all rpm range.

4. camshaft
get powerzone camshaft. for more hardcore users, use semi/full race cams. remember to make sure fuel supply is enough.

5. valves
not necessary to install bigger valves, unless u got valve fetish

6. brakes
just get wira 1.6 front brake system. more than enough braking power.

7. suspension
standard items are good enough. make sure that they are in good condition.

8. tuning-the most important part
make sure that ur engine is properly and regularly tuned. and make sure that u have enough lubrication(i destroyed 2 engines because of neglection of lubrication)

9. rim size
most ideal is 14inch, not too heavy, not too small.

10. fuel regulator
this is a good mod. recommended as first mod.

11. performance carbs
hehehe this one, no need to say la. weber is the best. twin 40dcoe for those who doesn't mind its fuel consumption. 40dcnf for moderate power increase. additional/better fuel pump supplies more fuel to the carb.

12. gearbox mods
manual-use wira 1.6 clutchplate. lighten flywheel(lose top speed)
auto-no hope. just dont over rev ur engine. 1.8 supertouring auto box fits saga 1.5 engine perfectly.

13. engine block mods-lighten crankshaft, crank pulley, ...
piston- try to keep them standard.

14. for those using 4g13/15 with siemens ECU, sorry to say: NO HOPE!

15. finally, full engine balancing. usually after u don't have anything to add anymore.

tips for saga megavalve owners: use wira 1.5 block. it has lighter internals. and use wira 1.5 injection standard camshaft. u will feel power increase after installing the mentioned items

tuning tips for beginners: try to keep as many things standard as possible, because they are cheaper to replace when they break down.
tune engine regularly. make sure fuel supply is enough.

p/s change to bigger displacement engine-better! no hassle...

PPL I GO TTHIS FROM A WEBSITE ITS NOT MY THOUGHTS AND ADVICE BUT I DECIDED TO SHARE MY FINDING

User avatar
Stay Tuned
Sweet on this forum
Posts: 339
Joined: June 12th, 2006, 9:23 pm
Location: On yuh bumper!!!
Contact:

Postby Stay Tuned » July 11th, 2008, 2:55 pm

d man say tune up hoss

User avatar
*KRONIK*
Trying to catch PATCH AND VEGA
Posts: 6893
Joined: August 5th, 2005, 9:50 am
Location: UP IN DA HEEZY!

Postby *KRONIK* » July 11th, 2008, 11:12 pm

centralized(m),

outta curiousity...... where do u acquire these racing cams, extractors,, valves, and all these WIRA parts??

User avatar
JM
3NE 2NR for life
Posts: 104
Joined: June 30th, 2006, 7:03 pm
Location: Contemplating the Pro's and Con's of breathing...

Postby JM » July 13th, 2008, 5:51 pm

Yeah i fine das a GREATTTT question..

User avatar
Stay Tuned
Sweet on this forum
Posts: 339
Joined: June 12th, 2006, 9:23 pm
Location: On yuh bumper!!!
Contact:

Postby Stay Tuned » July 13th, 2008, 6:20 pm


centralized(m)
Sweet on this forum
Posts: 277
Joined: January 24th, 2008, 4:32 pm

Postby centralized(m) » July 13th, 2008, 8:29 pm

lol....thanks boy Stay Tuned, lol....i didnt know how too ans that one!! lol...i just give alluh the info i dont know where to get the parts but now i know!!

thanks againStay Tuned,

User avatar
*KRONIK*
Trying to catch PATCH AND VEGA
Posts: 6893
Joined: August 5th, 2005, 9:50 am
Location: UP IN DA HEEZY!

Postby *KRONIK* » July 14th, 2008, 11:02 pm

Stay Tuned wrote:http://www.powerzone.com.my/products.html

just being difficult :mrgreen:


interesting

so how do we get a hold of the said products

Advertisement

Return to “MITSUBISHI”

Who is online

Users browsing this forum: No registered users and 5 guests