cij911's boost is at 18psi when he has his AFR spike, so I don't think that's it in his case at least

 

I was not referring to his situation with that comment but rather yours

 

Sorry that you dont feel the results are that great

it is too bad that you never tried just going with the ecu boost control as it seems that most of your problems are stemming from first the bad Forge MBC and now your choice of a turbo smart mbc which I certainly never suggested


in any event - it seems your expectations may be slightly unrealistic

The BASE or mail in type flash in your case increased you

59 TQ

and 23 peak whp even with the boost taopering down so far to 15 psi

not only that but it gave you a very smooth TQ curve almost like a straight line

Also for a stock evo IX on a mustang dyno these are great numbers - silly IMHO to compare to your pal's results - different car and he also had boost controller problems.

I dont know what you were expectinvg out of a base flash but it seems to me that you got a fairly decent gain in performance for the value

Again to the best of my recolection I personally never sold you any MBC or parts p- just the flash which seems to be working fine

I also have no idea what your goal of these series of posts has been. I can tell you only that people who have concerns, questions or problems that they want to address with me get themselves a lot further by contacting me by phone or pm and discusssing them with me in person rather than posting them on my forums in this manner.

As they say in HI (where I am now) Aloha !

 

My expectations were to just be somewhat on par in terms of gains with similarly equipped cars. I'm sure I'll be there with less boost taper.

The flash is working fine, I'm not complaining. I am a little concerned about the lean trend toward redline on both chris and my car though. I'll probably get a wideband at some point to see if I can get some better data.

I agree, I really wanted and would still much prefer the ECU controlling boost. It's just that both Warrtalon and you both steered me toward the MBC instead. That's really the frustrating part that I was trying to convey ...

It's unfortunate I had probs with my Forge MBC, but it also seems like IX turbos might be a bit more difficult to control with an MBC. You have made this point yourself ...

TSF should have my Hallman in stock now to replace the loaner Turbosmart, or I would gladly try another Forge if they have a working one in stock. If either of those can hold boost to ~18, I'm sure my results will be great.

I'm actually glad to hear that you think the problem is the turbosmart MBC and not something worse like the turbo ...

Anyway, the point of my post was just to show results, and ask for advice on the boost taper problem and AFR results ... not to complain about the flash, sorry if it came off that way.

 

The best boost controller solution on the IX's is the AVCR - not cheap but allows you to counteract the MIVEC effect and mainatin a steady boost across the power band

 

joshd, it looks like u need to do the wasetgate mod (FREE!!). take it off & turn the turnbuckle all the way down as far as it will go. put it back on. with your flash, u will no longer have as much boost taper. at most it will fall from your 21 down to 18-19 @ the lowest...

oh yeah, BTW, crush your stock BOV for an extra 28whp...

 

I've been wanting to do that for a while ... I might try today. Can you reach it w/o taking the radiator fan out? Or is it easier to reach from underneath?

This part is sarcasm, right?

 

I also expierenced problems with the UNOS flucuating boost. Al cleaned it out and it became much more smoother. Mine is spiking 23 and tapering to 18.5/19 at redline. I don't have the dyno printout of the boost curve, but do have one I made in Excell via logging data from the video we took.. After the dyno I was thinking of different ways to get the boost to hold steady ( I would like 21-22 across the board). Then Al explained the MIVEC affecting the MBC and I may be leaning towards an AVC-R. (if Al will set it up ). If you have any luck with tigtening the wastegate arm, be sure to let us know.

Girlie

 

If will be very difficult for you to do without removing the radiator. You have to remove the heat shields, then there is just barely enough room to get to the nut below the turnbuckle. Soap was able to adjust mine while still on the car, so maybe he can help you out. He even did it while the car was hot, which wasn't fun, but he got the job done. If the car was cold, it would be much easier for him.

 

Update ... FWIW

I finally got a Hallman MBC installed (replacing the loaner TurboSmart unit) in my car. It holds boost waaaaaaaaaaaay better than the Turbo(not so)Smart to redline.

I need to re-dyno and get logs, but using the 'out of the corner of my eye while flying down the road' observation method, it appears that I'm peaking for a split second at 21ish then immediately dropping to ~20psi, then tapering down only to the 18-19 range at redline. I'm fairly sure that the extra 2psi in the high RPMs will bring my whp up to the 300 mark ... but we'll see.

The car feels strong, especially so for a basically stock car with only MBC+flash.

 

That's good news, Josh. You can always count on Hallman. I just wish your Forge wouldn't have been problematic.

 

Yeah, that was unlucky for me ... what made it worse was by the time the whole cleaning and greasing thing was figured out, TSF had already sent mine back to Forge for replacement. They still haven't received one back due to the high demand!

It took a local dcevoclub.com member who was parting out his car for me to get my hands on the Hallman ...