The 4agze Forum

songb - 280hp is quite an impressive upgrade. what car ur using? is it ae80/92/101?
Difficulty on getting spare parts is not refer to all spare parts, just certain spare parts like driveshaft & ecu. As for others parts, is quite easy. Agreed with u that 4agze is good engine.
Why not u share ur experience in modifying the 4agze engine. It will help newbie like me to upgrade our engine effectively.
 
Im having a difficult time starting the engine during cold start. It just rev up to 2.5k rpm and goes all the way down and dies. The only way i can stop this is to control the throttle so that it will drop at 1k rpm, whch is stable. Its very annoying to do this every morning.
Another issue is, when i rev more than 2k rpm and goes to free gear, its will again go all the way down and dies. What i have to do is to let my gear goes down to 1k, before i switch to neutral.

On operating temperature aka hot engine, its not as bad as cold start, but after high rev, it will drop to 500 rpm and goes back up again to stable idling. Operating temperature as in 30-40% of the gauge.

I tried to remove ISCV, it worked fine, but sometimes the idling will rise up slowly. e.g. from 1.2 - 1.4k rpm. Then i had to plug back the iscv in order to get a good idling (thats when in operating temp).

As i am told, at cold start we tend to have higher idling until operating temp., then the idle will drop, right? For my case, its the other way round. e.g. Cold start at 800-900rpm, hot engine 1000-1100rpm.

This was my setup before i had such problem;

AE101 4AGZE MAP
440cc 7M Injectors
E-manage Blue
SC14 Charger
Top Mount IC
Oversized pulley
Adjustable fuel regulator
Boosting over 1.1 - 1.2bar

This is my setup now;

FMIC using Vr4 IC
Bigport NA camshafts
Rebuild the vacuum lines (thanks to Shubert)

My boost did drop to 0.9 (max), this is caused by FMIC? Do i get power loss from boost drop? I cud easily go over 1bar at first gear before i FMIC. And the fuel consumption is higher compare to the setup before. Difference by 50km.

Anyway, i hope you guys understand what im trying to ask here. Any advice given here is very much appreciated.
 
hello i got 1 question

1) can i transfer all the 4agze crankshaft, conrod and piston to 4age 16vavle rwd block.
2) can a 4agze bottom block pnp to 4age 16vavle rwd.

pls help cos my 4age piston fail already. sad ......
pls help...
 
bro miriguy..

i hv d problem like u b4.i donno maybe its same or not.maybe u can try it.

1) service ur throtle body..
2) check all ur vacuum hose maybe got small leak.
3) check ur intercooler maybe got leak also.

ussually rpm drop down is vaccum leaking.i hv facing this b4 my intercooler hose n front mount intercooler leaking..so my idle up n down.not stable.sometimes after high reving engine stall.if u using bigport cam, u hv to tune it properly.if not u will lost power.thats y ur boost 0.9.big port cam must use 6.5 inch crank pully.my car b4 use bigport cam.both xzos cam.boost up to 1.2 bar.if u hv money u can buy aftermarket cam.

bro gen2

4agze block can pnp to 4age 16 rwd.all d same.use 4age fan pulley, alternator,stering pump n aircond compressor..
 
i have changed the Vac hoses and also checked for IC leakage. all ok.

whats the difference if use standard both bigport cams and both exhaust bigport cams?
 
if stock piston 7a bottom + 81mm u will get to nearly 1.8L..if bored to (as i said before 'unsafe') 83mm..u will get to nearly 1.9L but will not last long due to very thin sleeve..big port 4agze cams have same spec as the small port imho..at least get the big port 4age..but better save some money to get the performance cam..more worth it

bro, u still active in here? need advice asap
 
dear GZE owners

whats your fuel consumption for using RON95 and RON97?


RM50 got me 320km on average on RON95, fully stock AE92 MAP GZE. but had to stop using it, engine knocking like *&^%!...

i have this strong suspicion that some kid in japan did something to the ECU in my halfcut. i find my engine very sensitive to to the fuel i use...it looks like its been chipped b4! I've been slowly been reduced to use V.Power only...even on regular RON97 and with low ig. timing it can still knock on boost.......

anyone got a pic of the insides of an AE92 gze ecu?:nurse:
 
Last edited:
RM50 got me 320km on average on RON95. but had to stop using it, engine knocking like *&^%!...

i have this strong suspicion that some kid in japan did something to my ECU in my halfcut. i find my engine very sensitive to to the fuel i use...it looks like its been chipped b4!

anyone got a pic of the insides of an AE92 gze ecu?:nurse:

thats very good. average rm10 for 60km
 
wow thats good if rm 50 can go 320km...my car rm 50 not even reach 200km..higher d most 180 km...how crazy it is...if can put water long time put....ron 95 cannot use..knocking like &&**((....97 so far ok..respon abit down...
 
mine also same. before this RM10 for 50KM, nowadays RM30 for 100km only. Not sure if got something to do with the NA cams and front IC or not.

I dont get knocking using 95, maybe i add in octane booster.

Its time to get hydrocell booster! haha
 
That's why...i suspect it has something to do with the re-chip i saw when i opened up my ECU once. My engine really doesn't like crappy fuels...:slug:

miriguy: which NA cams are those? I have a set of T-VIS cams sitting at home, been contemplating putting them in when i get bored one day...
 
open up the ECU and see whats the diff with stock ecu. and whats the model number for the ecu?

yeah, NA cams aka bigport/tvis cams. i didnt feel any major difference with them. but end torque shud improve abit

---------- Post added at 11:06 AM ---------- Previous post was at 11:01 AM ----------

bro miriguy..

i hv d problem like u b4.i donno maybe its same or not.maybe u can try it.

1) service ur throtle body..
2) check all ur vacuum hose maybe got small leak.
3) check ur intercooler maybe got leak also.

ussually rpm drop down is vaccum leaking.i hv facing this b4 my intercooler hose n front mount intercooler leaking..so my idle up n down.not stable.sometimes after high reving engine stall.if u using bigport cam, u hv to tune it properly.if not u will lost power.thats y ur boost 0.9.big port cam must use 6.5 inch crank pully.my car b4 use bigport cam.both xzos cam.boost up to 1.2 bar.if u hv money u can buy aftermarket cam.

bro gen2

4agze block can pnp to 4age 16 rwd.all d same.use 4age fan pulley, alternator,stering pump n aircond compressor..

what injectors are you using?

i think i drop in boost becoz my piping has quite a number of curves and maybe its too long also

when i switched back to stock IC, i get 1.2bar at 1st gear instantly and does not stall quite easily.

if u read the KERETA magazine this month, u can see the red SEG AE100 shifting the IC next to the head. thats a good idea.
 
bro miriguy,

i use GSR TURBO injector..so far my car run ok..not to bad..sedap2 aje...if u put front mount ic.ur boost will drop....so i change back to top mount...respond abit ok..n boost up to 1 bar...
yup.i already read d mag...nice car man..dream to install rollcage inside..still waiting d mech free time to install.i saw almost d same d from net.i sc put side ic.but i donno wat d respond will gv out...maybe u can try it first...for make up n stylish its okla.but for respond mcm kurang..
 
from the mag, he also boosting 1bar. IC put to the side is good also becoz no heat coming from engine. i just put back top mount yesterday and i got back my boost. haha. now my car has 2 ICs... haha
 
i changed back to stock IC and my fuel consumption is back to normal, thats without using emanage
 

Similar threads

Posts refresh every 5 minutes




Search

Online now

Enjoying Zerotohundred?

Log-in for an ad-less experience