Have you checked all the standards already?
Is the timing still alright?
Are the injectors being controlled properly by the ECU? Does the ECU open them long enough?
Any vacuum leaks?
Is your MAP sensor working properly? So the ECU knows the right amount of air that goes into your engine.
I already upgraded the standard oil cooler to a much larger one.
The two fans together have more capacity then the original viscus fan.
And I do get the same problem on the MK4 with viscus fan.
I tried the fans with a shroud and also directly mounted on the radiator as well, but no difference.
I pressure tested the MK4 radiator as well and the flow seems to be OK.
Also no specific hot points when I measured the temperature.
I've seen some issues on internet with overheating 2JZs only...
Hi, I used different radiators initially I bought a new big ALU Koyorad and later I changed if for one from a BMW M5 (V10 engine) also new.
I also used different types of coolant/antifreeze; Toyota Red Coolant, Evans Power sports.
I tried it with a new thermostat and also have tried if...
Hi All,
I've updated my MK3 track Supra with a 2JZ-GTE engine.
It runs perfectly but just after about 2-3 laps the problem start!
The engine overheats and I need to stop the session.
The overheating doesn't happen if I drive it on the motorway.
I also bought a MKiV supra and exactly...
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