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Old 10-02-2011, 01:23 PM   #551
07wrx84
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Quote:
Originally Posted by mistagreenthumb
Hey guys, I have a date booked to head over to my tuner in a few weeks.

I know I won't see the full potential until I'm tuned for it, but would it be bad for my motor if I stuck the MBC on before I get tuned? I'm already tuned for a 3 port, so I don't really see how it could be bad.... but better safe than sorry, so I figured I'd ask.
I'm not sure but just drive like a grandma 2 be safe. Better safe then sorry right??
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Old 10-02-2011, 01:49 PM   #552
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Probably wouldn't matter too much besides adding a little more tubing and such for the pressure signal to fill so you might see some boost oscillation on the highway/high gear. You certainly won't see the benefit.

It's really so easy to install that I just say you have the t fittings and tubing ready and you and the installer can take the 5 min to splice it in at the shop.

It would be pretty hard to set the MBC when you just have a standard 3 port boost control map on there anyway. You'd never see enough wgdc for the MBC to take full control.
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Old 10-03-2011, 07:20 AM   #553
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OK gona try this this week.
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Old 10-03-2011, 02:57 PM   #554
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Originally Posted by BrandonDrums View Post
Not too shabby! I might try that although, my WGA is only 9 psi so I'll run 0% where my target is 9 psi and below.

That's a pretty solid technique, I wish romraider had interpolate. I hate using ECU Flash for modifying maps except for that one feature.
Look at the wgdc table I posted last week, especially the column headers. I only set 3 columns by hand, and the ECU does the interpolation for me. You could just set two columns if you want, I doubt the difference would be noticeable. I was using 3 columns for EBCS-only tuning, and I plan to go back to that at some point, I kept them.

I share ride5000s view, FWIW. Fixing PTFB takes almost no extra work at all, like 5 minutes tops, so I see no reason not to. It's nowhere near as much work as regular EBCS tuning, you just need to ramp down WGDC at low throttle.

EDIT: Here's the table I was referring to:


Last edited by NSFW; 10-04-2011 at 02:52 AM.
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Old 10-05-2011, 03:07 AM   #555
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Wow it works. No more 0-450hp unless I want to.
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Old 10-07-2011, 06:42 PM   #556
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Wow it works. No more 0-450hp unless I want to.


Nice!

Anybody here have any pictures of their current set ups? We have been curious about different ways guys are doing this!

Will
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Old 10-08-2011, 12:01 AM   #557
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Anybody here have any pictures of their current set ups? We have been curious about different ways guys are doing this!

Will[/quote]

I'll get some
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Old 10-12-2011, 02:04 PM   #558
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Anybody have a how to on this
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Old 10-12-2011, 02:27 PM   #559
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Anybody have a how to on this
http://forums.nasioc.com/forums/showthread.php?t=602674
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Old 10-12-2011, 02:40 PM   #560
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^^^^

That's a new one, someone asks for a how-to in the how-to thread itself. Forget the search bar just read...you're sitting on top of it.

Now someone tell me where I put my sunglasses. Oh yeah, I'm wearing them
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Old 10-12-2011, 05:08 PM   #561
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meh - forget what I said here too

Last edited by BrandonDrums; 06-21-2012 at 05:06 PM.
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Old 10-12-2011, 05:50 PM   #562
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im gonna have to go try this again.....i dont remember it making a difference.

i dont think i drive like other people though. I dont think i ever just hold the throttle at anywhere between 40% and 95% throttle. if im cruising around its <40%....if i wanna go fast its 100%. plus my throttle mapping is aggressive so that 75% is 100% anyway....
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Old 10-12-2011, 06:36 PM   #563
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^ So you've effectively reduced the stroke of your accelerator pedal. I'm guessing you are mostly interested in straight line WOT? That's too bad. The steering wheel is fun to play with too.
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Old 10-12-2011, 08:20 PM   #564
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I drive in twisties and dirt too....steering wheel gets plenty of use. Drag racing is my least favorite
If I can get third place in my class on a 1st n 2nd gear track with a dom4 vs vf'd cars who have a big low gear advantage...i'd say it's working for me
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Old 10-18-2011, 04:28 PM   #565
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Anyone had problems setting up this system with EWG?
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Old 10-18-2011, 04:36 PM   #566
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Anyone had problems setting up this system with EWG?
No, it always works perfectly on the first try when you do it with an EWG.
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Old 10-18-2011, 04:43 PM   #567
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Anyone had problems setting up this system with EWG?
Mine was behaving a bit weirdly, although I forget what it was doing wrong and I don't care to think it through again at this point in time. Regardless, I fixed it by capping the port on the solenoid that is normally either vented or recirculated back to the turbo inlet. Accordingly, I had to scale back the duty cycle a bunch(except for WOT) since the only point of release was through the small hole in the output fitting on the mbc. Now the system works exactly as it's supposed to.
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Old 10-18-2011, 04:45 PM   #568
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Quote:
Originally Posted by NSFW

No, it always works perfectly on the first try when you do it with an EWG.
Well i think my ewg is faulty then! My car was tuned to 21.5psi ran awesome! I finally found the leak and fixed it. So we tuned it again because the car was running rich, now the car will only hold wastegate pressure!

Its 07 wrx with aps 70mm cai, bigger tmic, 870cc injectors, e85, 38mm tial vband ewg, ported & polished exhaust manifold, tgv deletes, grimmspeed ebcs, turbosmart mbc, hks- hi power exhaust, 3" Bellmouth non cat DP...
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Old 10-18-2011, 04:45 PM   #569
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Quote:
Originally Posted by 573

Mine was behaving a bit weirdly, although I forget what it was doing wrong and I don't care to think it through again at this point in time. Regardless, I fixed it by capping the port on the solenoid that is normally either vented or recirculated back to the turbo inlet. Accordingly, I had to scale back the duty cycle a bunch(except for WOT) since the only point of release was through the small hole in the output fitting on the mbc. Now the system works exactly as it's supposed to.
Really??
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Old 10-18-2011, 04:57 PM   #570
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if you think its the ext wg, then simply unhook the ebcs and run mbc only.....this will tell you if its your ext wg or if you just had the ebcs plumbed wrong
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Old 10-18-2011, 05:00 PM   #571
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Originally Posted by Phatron
if you think its the ext wg, then simply unhook the ebcs and run mbc only.....this will tell you if its your ext wg or if you just had the ebcs plumbed wrong
I did that and it still held wastegate then for kicks we used a brand new mbc and still did the same thing??? Im stumped lol
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Old 10-18-2011, 07:22 PM   #572
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Just an update. I've been running the hybrid boost control system now for....around a year I think? It still performs great.

Just for reference its a dual wastegate/EBCS/MBC setup on a small 16G, where I see 10 psi spring pressure on the IWG (STI catback exhaust...stealthy) and 17 psi on the EWG. I had been running E85 at 20 psi on the EWG, but switched back to 91 @ 17 psi for the winter months.
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Old 11-22-2011, 03:52 PM   #573
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yes. most of the tables are even named the same now since Bill moved over to cobb from opensource.
Now see that is awesome bravo merchgod/teacups/bill !!!!!

What is the current inexpensive alternative to the gm solenoid now a days?

dm
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Old 11-22-2011, 04:00 PM   #574
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Originally Posted by dwmoss_68 View Post
Now see that is awesome bravo merchgod/teacups/bill !!!!!

What is the current inexpensive alternative to the gm solenoid now a days?

dm
Probably the best bet is the Grimmspeed 3 port, it's better than the GM one anyway.
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Old 11-22-2011, 05:35 PM   #575
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Probably the best bet is the Grimmspeed 3 port, it's better than the GM one anyway.
It doesn't seem to fit the inexpensive part of the request.

One of the advantages of the gmbcs was it's price tag compared to the alternatives at that time.

dm
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