I am very interested in one of these as well. Apexi makes the AVC-R where you are able to regulate boost depending on what gear you are in. I have never personally used one and they seem like it would be complicated to use. Other than being difficult to use I would still like to get one. I always have a problem with detonation in 1st and 2nd gear on High boost, no matter how much tuning is attempted.

Does anyone have personal experience with the Blitz SBC id? Is able to regulate boost per gear like the AVC would?

I would be very disappointed in Greddy if the Profec B II was not an improvement from the original profec’s. Either way, my next upgrade will most likely be the AVCR.

 

mine 2

 

...what he said.


Seriously though. Does the Spec II version have a RPM-based boost control, or possibly MPH-based like the Blitz SBC-iD?

im likin the SBC-ID... one of the most rock-steady EBC's ive seen, besides the Profec B...

I noticed that after programmed, the AVC-R still allowed initial boost spikes upon spool up, just lilke a cheap-o MBC like a Hallman or Joe-P. Spiking is whack...

 

dont you remember the section in SCC where they tested all the Boost controllers?

I saw it on a thread in here... but i remember actually having the mag and seeing the boost curves.

and the worst spike was on the manual boost controller of course but the AVC-R was 2nd worst but it held the boost pretty steady... the SBC-ID and the Profec B (original recipe) held the boost rock steady though. anyways, it could have just been that the AVC-R was improperly setup like you said... but i remember them saying they spent ALONG time setting it up and tuning it... alot longer than the SBC-Id and of cousre the Profec B. im not sure if they did get it tuned properly or not...

the thing that scares em about spikes like that is the risk of detonation when the boost goes that high... and then scares the ECU... and then the ECU "turtle necks" the timing... and youre whole run suffers due to that spike. course, it depends on the car's ECu and how agressive it is and how adaptive it is (if at all).

i think id budget ~ $300-$350 for an EBC... so ill see what i can get for that much... ya know?

 

The installation of this unit was fairly simple, took about 30 minutes. Getting it setup was another story. I had some problems initially and thought there was something wrong with the controller. The directions were wrong in some places and I spent about 3 hours researching on honda-tech and this board trying to find a solution (thanks John, aka Vapor for your help on Sat). I found a lot of posts from people having the same problems as I was. I am convinced this is due to the directions being very vague and sometimes flat out wrong.

The unit sometimes would not go above 5psi, then at other times I hit 20psi! I shut it down when that happened and that is when I started my research... I found out that the vacuum line at the bottom of my wastegate needed to go to the intake manifold and the other line at the top of the wastegate needed to go to the boost solenoid. After the lines were hooked up properly, I was controlling my boost from inside my car in no time. After some testing, I set my gain to 20% and my start boost to 8psi (for the LO setting).

I must say this is one of the nicest and simplest (once you get it going) electronic boost controllers I have ever used. It works very well and I have had no boost spikes at all (yet). I highly recommend getting this controller and saving the extra money you would normally spend on a more expensive one..

 

I like the AVC-R for all its options but its not cheap. As for boost spike i use a mbc from extreme and it doesnt spike at all. If you look at all the really fast dsm`s they all use mbc not electronic ones. Cant say anything for other turbo cars. If i was to buy a ebc for the money i would consider the profec B II. I like the fact that it doesnt open the wastegate at all till you reach full boost.

 

Im glad Triple G pointed that out:

thats the BEST thing, i think, about EBC. they KEEP the WG flapper shut untill you reach the preset boost level... this is a particularly good feature... its the biggest selling point of an EBC over an MBC.

I can explain why its good, but ONLY if i have to...

 

Less turbo lag??

 

better boost response, I'd figure