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OK, problem seems to be fixed. I bought a MiNE'S ECU from Yahoo auction. I plugged it in and car worked fine. Plugged back the stock ECU and it ran on 4 cylinders. Plugged back the MiNE'S ECU, and worked like a charm again. Seems like I dont have a rev limiter at all on the tuned ECU. Atleast...

I took a closer picture of the EU board where the problem is, what do you think about this? What can I use to clean it up? Paint thinner?

The engine should have the stock injectors, so I guess there is no resistor pack then.

Where is the resistor pack?

I'll look in to this. Good news is that my ECU is on it's way from Japan, should be a week untill its here. One thought that came up. Is there a injector resistor pack somewhere in the engine bay. Could that have broke and would it cause problems like this?

Any idea what fuel was being used on this run?

Try hosting the pics here: www.imageshack.us and post the links. Smaller exhaust housing should be available from Holset. I'd contact a shop that does Cummings Diesel turbos, do a search on Google. 4" dp will work, depending which manifold you are using. If the outlet on the turbo is 4", you...

My friend did the welding. He said that the black trace came from the "welder" and shouldnt affect the ECU. None of the original Caps had leaked according to him. Can I clean the traces my self with something?

I have problem with my 1JZ. It seems like the ECU caps are bad, but nothing seems to help. Car works great when its cold, but after 10-15 minutes it starts running on 4 cyl and plugs 3 and 5 are soaked. I made the test that is on SF.com where I plugged a bulb on nr 3 cylinders injetor plug...

I also found this: 6 cm2 = 0.41 A/R 7 cm2 = 0.49 A/R 8 cm2 = 0.57 A/R 9 cm2 = 0.65 A/R 10 cm2 = 0.73 A/R 11 cm2 = 0.81 A/R 12 cm2 = 0.89 A/R 14 cm2 = 0.97 A/R 15 cm2 = 1.05 A/R 16 cm2 = 1.13 A/R 17 cm2 = 1.29 A/R 19 cm2 = 1.37 A/R There's quite a bit of information here...

The internal gates on the diesel turbos are usually only 20-25mm. You need to port these bigger if you use them in gasoline engines. Most replace the flapper from a stock turbo like a CT-26 and port the wastegate hole accordingly. You can also just change the exhaust housing that doesnt have an...

I'm guessing around 4000rpm? Depends alot of the exhaust wheel, twin scroll mani+housing and if you have cams etc.. In a 2 litre engine with a 12cm^2 housing, most get positive boost at 3000rpm and 1bar at 4000-4500rpm.

If you have a 74mm inducer on your turbo, I doubt you will get full spool before 4500rpm. Even if these are very efficient turbos, they are not magic turbos. What size exhaust wheel do you have? I have a true 4" vband on the exhaust side. I had to modify my BL 4" downpipe as they come with a...

Just piggybacks. HKS VPC+S-AFCII. I'm going standalone this spring. Here's a dyno comparing my HX55 to stock twins in TTC-mode (not sequential). European dynos usually calculate the drive train loss and convert it to crank numbers, so the numbers are estimated crank hp. Both dynos are at 1.2...

That doesnt sound like a HX50, more like a HX55 or HX60. But there are different variations of these turbos around. I have a Holset HX55 in my MKIV. 65/99mm intake wheel, 72mm exhaust wheel and 16cm^2 exhaust housing. I get full spool around 3800rpm. With a HX40 the most used combo is...

Has anybody tried to change these green caps like on this thread? http://www.supramania.com/forums/showthread.php?t=49342

;) We dont have many 1JZ's here, so its not that easy to get one to test.

Thanks, I'll have to check out the green caps and see if I can find those from a electronic shop. Can someone confirm that the green rectangular ones are the injector driver ones?

Hi, My friend changed the ECU caps, but I still have the same problem. -car works fine when cold and 5-10 min after -Goes in to fuel dump mode, 3 an 5 cyl plugs wet and runs on 4 cylinders -white smoke that smells fuel Could it be something else in the ECU? I have another ECU...

Why did you spin the rod bearing?