Electronic Boost Controllers - pretty, pretty, please :)

[meshmesh]

Don't go there! I been doing the searches since 3pm this avo "not happy JAN!!"

I'd like your opinions on the following EBC's.. these are what I have narrowed my options down to for the GTR.

1. HKS EVC IV

2. Profec B Spec II "still trying to work out this difference between B Spec & B Spec II"

3. Profec A "Older but apparantley more features than the B Spec II"

a) I HAVE established that...

- dual solenoids are better than singles.

- all the units are fuzzy logic

- as informed by ben @ racepace the HKS EVC is the best he's seen?

B) I HAVE NOT established...

- whether fuzzy logic is good or not?? at this stage reports are 50/50 each way.

- is it safe buying a used EBC unit, considering the conditions of solenoids?

- if soleniods need replacing can I buy them seperatly for any of the avove EBC's?

thanks

[paulr33]

What do you want to do with it? Run a constant boost? How much boost? do you want dual stage (normal and a higher mode via switch)? Do you want pretty graphs and digital displays? how much do you want to spend?

Answers those and ill recommend one

[Nrage33]

I use the EVC 3 controller...works well enough. It's hidden in between my seat and the center console, so i barely even look at it. It was second hand, so something did go wrong with it initially.

It's really not worth it if constant boost is the only thing u want from it. It really only contributes to the "wank factor" of my car when i think about it. It can maintain constant boost pressure better yes, but only marginally (I read that in a performance textbook). And I agree that I wasted my money on something a bleed valve could've done. I miss that missile switch Boost comes on the same way it did during my bleed valve days.

My car even makes better power using a bleed valve for some reason. The thing gives me boost cut now for some reason. I'm seriously considering a change back to a bleed valve.

[Busky2k]

I think the main difference between B Spec & B Spec II is that the Spec II has an inbuilt digital boost gauge, and the otherone doesnt.

[PranK]

I have a blitz dual SBC in my GTR and i am extremely happy with it, i know its not in your list, but i would highly reccomend it, has everything you'd need.. 5 boost settings, warning, peaks etc and timed boost (i think) so if you want more boost down the straight, set it to number 5 (from 4 - for example) and it will automatically go back to setting 4 after x seconds.

[T0nyGTSt]

Blitz SBC is an expensive controller though.

I use an AVC-R and it pretty much fits your requirements.

T.

[MattO]

I like perdy graphs and digi displays..

hehe

[meshmesh]

What do you want to do with it? Run a constant boost? How much boost? do you want dual stage (normal and a higher mode via switch)? Do you want pretty graphs and digital displays? how much do you want to spend?

Answers those and ill recommend one

Thanks for the reply guys...

At the moment the Power FC is getting fitted & tuned. I have a turbosmart bleed valve runnin around 1bar, with the stock GTR turbos. I'm not looking at more than 1bar for the turbos at this stage until I upgrade. I guess all I'd like is constant boost, no fancy pictures/graph, & most important reliable boost with "no" spiking. Money isn't an issue as I guess when I take away some of the wank factor most them are about the same figure. Nengun have the Greddy Profec B Spec 2 for around $450 delivered. I really haven't heard any bad things about the profec Bspec apart from Ben at racepace who swore by the HKS 3 & 4 saying they were the only controllers not to spike on the gtr's??

[rb25]

Dude - I have an EVC4 (digital screen version) and it holds boost very very well. It also works with externally gated turbos as well as internally gated. And it works with single, twin, quad turbo, whatever.... Has a 2 stage function as well. I managed to install and tune it myself with no problems in 2 hours flat. And im not that knowledgeable with that kind of stuff, i just 'had a go'. Had my mechanic check my work and he was happy with it and mentioned he had put a few of them on GT-R's also. Im very happy with it. If you decide to get one, Im only too happy to help you set it up...

-rb25

[Sydneykid]

Hi meshmesh, since you are running a Power FC then I would consider the Power FC Boost Controller Kit, same (good) solenoid as the AVCR, use the Commander to control and monitor the boost.

[meshmesh]

Hi meshmesh, since you are running a Power FC then I would consider the Power FC Boost Controller Kit, same (good) solenoid as the AVCR, use the Commander to control and monitor the boost.

I considered that at first, however heard bd reports re: single soleniods & twin turbos.. I think I have narrowed it down to the EVC 4.

PS: What's your thought about cam gear settings aof +4 & -6 degrees on stock GTR turbos running 1bar?

[king_kw13]

I think the EVC doesnt use a solenoid? It uses a stepper motor? I dunno the difference, but they are different right? Is it the only one that uses this method to control boost?

[HKSgtst]

EVC 4s are very widely used in Japan, They love it ..

is that a good enought reason to buy one ?

the second one they'll choose is Blitz EBCs ...

[meshmesh]

I ended up going for the evc4, mainly after speaking to a few respected tuners, the HKS was the only one they recommend, & yes it has a stepper motor which controlled boost the best compared to others.