Ive been seriously considering importing a viscous lol. so sick of ACD and how tempermental it is. massively simplifies the wiring too without all the sensors and wiring and pump etc.

 

i've thought about it that as well. the main thing that stops me is thinking about GTR's. They are heavy pigs but very quick and a lot of that can be attributed to the electronics doing a lot of work. Taking that away from our cars sounds counter intuitive.

 

Yea i feel like the ACD does do quite alot to the handling in the corners and im not sure i want to give that up. it would be nice to get a viscous and install it and go for a test. Can seperate the TC in the car and remove just the ACD portion would be interesting to see if you could get a viscous unit in there without dropping subframe.

Has anybody had issues with their strength in a high powered car?

 

Even the fastest drag cars here in the states retain the ACD so they can adjust the clamp force on the clutch pack. I would 100% retain the ACD in and ACD car.

 

Yea all the fast ***** have ACD. Tilton, Escort, GForce, even ERS added it into their evo 6. If I was building a car to chase records I would definitely want it. But I am just a simple jack, chasing my simple dream of having a car I can lean on at 500hp without having it break on a regular basis.

 

When you can make real changed to the ACD programming you'll find it makes a huge difference. You can both make it amazing or totally ruin it.

I have a loose grip setting the wife accidentally ran in the dry and she thought the car was completely broken cause the back end wouldn't stay behind her. So even she noticed the car with only that 1 change.

 

this is exactly why I’m nervous AF to run a from scratch ACD tune through emtron

 

ok lets go down the rabbit hole.

Has anybody used aftermarket diff controllers? GEM's Motec etc?

My ralliart one does my head in with all the little faults it gets if everything isnt absolutely perfect. im hoping maybe the motec one is a little more robust in that regard?

 

Oh I certainly would go through the effort to add it. But I wouldn't delete it if I had it (source- my car has it).

Do add Mivec though. That is so very worth it.

 

If adding ACD wasn't a $5k affair I'd probably consider it, but I'd rather throw that money towards a bump stick trans. I'd certainly love to add Mivec but again, more money and I already have 3 evo 8 heads. If I ever get serious with the car it'll likely get added but that's not happening anytime soon.

 

I meant wouldn't*, that was a typo.

Those three Evo 8 heads + the head on the car would easily pay for a full mivec conversion, and a spare Evo9 head.

 

Ahh gotcha.

The one I'm using for my next engine is a Curt Brown head so there's definitely a part of me that wants to see what it'll do. I think my hesitation is more so that I'd have to get another set of cams, a Mivec gear, a valve cover, add the wiring, and not to mention solenoids are getting expensive. I know NTK makes a Mivec solenoid but it's not any less than a Mitsu one; does anyone know of a solenoid that isn't $500?

I'm making it to be a bigger deal than it is, but I'd rather just get my car running again than sidetrack myself with another expense. Once the car is in a happy place I'll build it a spare engine and that will likely be when I add Mivec.

 

agreed with all above on MIVEC - i would 100% swap it if it didnt have it.

has anyone ever tried to take a stock or modified stock ACD map and interpolate it on a different controller?

 

Engine update:

Arlington Machine had some lead time issues. I reached out to English about lead time and Myles came through BIG, BIG, BIG time with short block. The head was still several weeks out so I send a NIB head to Headworks and it should be back in a couple of weeks. when Arlington gets caught up we'll have a spare 2.2L laying around.

Phew .... still on track sort of.

Xhisft wont have the parts to TRE unit first or April, Jon will turn it around in a couple days. Really hoping to have the car running end of April so we can spend a couple weeks in may getting it sorted out and tuned with time to drive it before the first hillclimb

 

I got a whole used setup from Chris Barnett. Head, engine harness, sensors housing, gear, solenoid, etc. Was pretty reasonable. I'm sure its more now with covidenflation, but still worth it.