Hello there, just bolt on my car, its 1.5L almera.
Knocking was appear randomly after I bolt on turbo to my car.
This is some of the example case :
Engine start knocking when I travel 130km/h above with 0.6 bar and 4k rpm above.
But If I release throttle, boost drop and I floor pedal again, knocking gone, even reach 160km/h with max boost.
Below are my spec :
0.6 bar
stock piston / con rods
IHI rhf4
Pajero Intercooler (front mount)
Trust oil cooler
Hayden ATF cooler
unichip q+
1 extra injector
Tuning I was done in GT auto, first tuning, the knocking appear much more, specially when max boost, even in low speed.
First the tuner tell me I should use better fuel, so I change from 95 shell to 97 shell, after 2 full tank, it still appear, so the tuner told me to change to petronas 97 fuel, they got less knocking compare to shell... And knocking happen again, so I send back for retune with paying few 100 bucks.
Day of retuning, the tuner tell me, I should try change my intercooler to another position, and change my plug.
Alright, I change my plug from brisk to hks on that day, and retuning.
After retard the ignition timing at high boost, no knocking appear when tuning, he said this is the best setting.
But end up I`m still facing knocking rite now.
And actually, the wiring for my extra injector are weird, the electric are actually take from ignition coil, which sounds like not rite, but the tuner say it is fine to do that.
Any sifu can help me about this knocking case? I`m exhausted with it.
I will try mount the intercooler to lower cooler place which the tuner mention, but I dun really agree that the intercooler causing knocking... But still giving it a try...
I am quite worry that, maybe the unichip are not suitable for my car, some said I should actually change to engine management like haltech 500.
Knocking was appear randomly after I bolt on turbo to my car.
This is some of the example case :
Engine start knocking when I travel 130km/h above with 0.6 bar and 4k rpm above.
But If I release throttle, boost drop and I floor pedal again, knocking gone, even reach 160km/h with max boost.
Below are my spec :
0.6 bar
stock piston / con rods
IHI rhf4
Pajero Intercooler (front mount)
Trust oil cooler
Hayden ATF cooler
unichip q+
1 extra injector
Tuning I was done in GT auto, first tuning, the knocking appear much more, specially when max boost, even in low speed.
First the tuner tell me I should use better fuel, so I change from 95 shell to 97 shell, after 2 full tank, it still appear, so the tuner told me to change to petronas 97 fuel, they got less knocking compare to shell... And knocking happen again, so I send back for retune with paying few 100 bucks.
Day of retuning, the tuner tell me, I should try change my intercooler to another position, and change my plug.
Alright, I change my plug from brisk to hks on that day, and retuning.
After retard the ignition timing at high boost, no knocking appear when tuning, he said this is the best setting.
But end up I`m still facing knocking rite now.
And actually, the wiring for my extra injector are weird, the electric are actually take from ignition coil, which sounds like not rite, but the tuner say it is fine to do that.
Any sifu can help me about this knocking case? I`m exhausted with it.
I will try mount the intercooler to lower cooler place which the tuner mention, but I dun really agree that the intercooler causing knocking... But still giving it a try...
I am quite worry that, maybe the unichip are not suitable for my car, some said I should actually change to engine management like haltech 500.