So who wants their ECU's "Chromed"?

[aaronatstate]

Hey I resolved my issue. The harness had 3 wires switched around which was causing the car to act funny throwing the CEL's. With the help of Brett(99vr4) and a friend of mine, we were able to fix the harness. The wires were switched to how they are supposed to be and the car is running great! Actually feels a bit more peppy with the new ecu...

However evoscan doesn't work...ill post a screen shot of what the error message says. Hopefully we can get that resolved as well.

I'll be sending a donation soon.

Make sure you have OpenPort 2.0 checked, and Mitsubishi MUTIII (not the 3000gt one).

[99 vr4]

So I have successfully been running stock boost control with 450cc injectors, 482 "evo" maf, and 15g turbos. I can run from wastegate to 16 pounds with no problems. In order to get the stock boost control solenoid to bleed off enough air, I needed a restricter in the boost line. I made one with a nylon screw and a #60 drill bit.

BTW, this is on one of my new ECUs...

[Jesters Deadd]

So I have successfully been running stock boost control with 450cc injectors, 482 "evo" maf, and 15g turbos. I can run from wastegate to 16 pounds with no problems. In order to get the stock boost control solenoid to bleed off enough air, I needed a restricter in the boost line. I made one with a nylon screw and a #60 drill bit.

BTW, this is on one of my new ECUs...

Great news. btw how long was the screw you used? I think the length will make a difference on the supply rate to the wastegates, so I am just clarifying. Also did you use the stock solenoid. I know you were experimenting with other solenoids.
Hmm this makes me think... you could just put a MBC in the boost line and it would still work with the stock BC too.

[99 vr4]

I used a nylon #6, cut about 1/8 inch. Then drilled a #60 hole through, then I drilled half that again with a 1/16 (btw, tried that size first, it was too big).

[Bluejediz]

Been following this thread for awhile now, looking really great! I plan on running a chromed ecu this next spring. Already purchased the harness.
I did have one thought though...would it be possible to figure out a fix for rich shifts when running an open atmoshpere bov? I dont see any way of doing this without converting to Blow-Thru/speed density but I thought id ask just in case.

[BLACK94TT]

Relocating to this thread from the "other" board.

[RealMcCoy]

I used a nylon #6, cut about 1/8 inch. Then drilled a #60 hole through, then I drilled half that again with a 1/16 (btw, tried that size first, it was too big).

Playing with the orifice size is a great way to help tune out boost spikes or creep.... Just for reference, the #60 is .040", the stock one is pretty close to .030". Also, the smaller the orifice, the more drastic the changes will be with a change in duty cycle. (I.E. a car that operates at a max of 15 psi will have tighter control and adjustability with a larger orifice, where a car that operates at 25 psi will need a smaller orifice to facilitate dumping that much pressure)

I realize I'm not telling you anything you don't already know, just throwing the info out there for the readers...

I went through the same process building a cheep bleed style MBC years ago, and ended up with around .040" as well.

[awdonly]

The periphery needs to be disabled thus disabling the entire purge system.
...
I'll update my purge control thread with details.

I've running Chrome 1.1 with a EVO X map installed and tied into pin 92, and I'm getting the constant purge valve clicking. I've matched my periphery bits to those shown by aaronatstate, but still get the clicking. I can't find the referenced purge control thread (I did look). Does anyone know how to disable it in the ECU or do I need to simply unplug the solenoid?

[Jimvr4]

I've got the 99 clone ECU and a harness ordered. How is Chrome V2.0 coming along? I want all the emissions stuff on the 95 to work like stock.

[Greg E]

I've running Chrome 1.1 with a EVO X map installed and tied into pin 92, and I'm getting the constant purge valve clicking. I've matched my periphery bits to those shown by aaronatstate, but still get the clicking. I can't find the referenced purge control thread (I did look). Does anyone know how to disable it in the ECU or do I need to simply unplug the solenoid?

http://www.3sgto.org/f2/disassembly-...nsor-8260.html

Looks like you posted in this thread too.