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Question about Boost control with the WORKS ECU

 
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Old Jul 22, 2003 | 08:59 PM
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Question Question about Boost control with the WORKS ECU

What is the boost level across the board, I mean I want from 0-8000 rpms.

Does it spike to the 19.5 PSI like the stocker and then taper off to 16PSI? Does it hold boost out longer?


Has ANYONE run a works ECU with a MBC setting boost to a Static 19.5 PSI? Jsut saying as my Evo stock has yet to see 19.5 psi, maybe 18.5 max, but does hold out 16.5 nicely. ME thinks it is a BOV clamp problem.

I need to know exactly what these boost numbers are, and if you can make a flash to run 19.5PSI to the redline, cuz with my experience with turbo cars, you want the boost to remain static all the way to the red, not fall off, I ran 21PSI to 7500RPMS on my TSI AWD, if that older POS can do it with a SAFC and 20 degrees of timing, my new evo sure can, so what are the exact settings, no "well it may spike to stock levels", I really need to know what this ECU will do to my car, seriously, and if you can make a 19.5 PSI to red at 8000 RPMS for 93 octane.

Again if Anyone is running a works ECU with a MBC or EBC set to 19+ to redline, any info will be GREATLY appreciated.


Thank You
Old Jul 23, 2003 | 08:16 PM
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Anyone? Serious question.
Old Jul 24, 2003 | 12:38 PM
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Calling Alfriedesq

I think you need to get the info from Alfriedesq. He just got the Works reflash and he has all kinds of mods, and definitely is boosting over 19.5 to the redline or 8000rpms. I would like to know this as well, along with whether fuel management (SAFC or E-manage) can still be used with the reflash or must be altered. Al?
Old Jul 24, 2003 | 02:39 PM
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Im planning on adding a MBC next month, and back to the dyno. I would like to know myself.
Old Jul 24, 2003 | 03:38 PM
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Of course you can use a SAFC with it, it may be a good idea for a Fine tune, as you basically have a ECU that is cutting back 15% fuel starting at around 3500 RPMS and advanced timing too.

A SAFC will allow you to add or remove more fuel by intercepting and modifying the Injector pulse, thats all it does.

It may be a good combo as you have more advanced timing.
Old Jul 30, 2003 | 07:18 PM
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ANYONE>< COMMMMMMMMMMMMMON!?!?!?!?!
Old Aug 2, 2003 | 11:08 PM
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You all suck, each and every last one of you.
Old Aug 3, 2003 | 12:23 PM
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Originally posted by umiami80
You all suck, each and every last one of you.
A ... **** for brains ... no offense, but if someone knew the answer to your question for sure, then they would probably REPLY to u ... rrrrrrrrrrrrrright? Understand? Okay then!

Dude, many of us are interested in finding out the answer to this question ... as it is a very good question that I've been trying to pry out of David and others for quite some time now ... YES EVEN before u started this whiny post.

Works chose not to raise stock boost in the reflash, although more power could result in a little higher boost at times. So ... at least in theory, it seems that running a ebc or mbc should work great in conjunction with the Works reflash. The problem is that David is not going to stake his liability on this issue, and not many people at this forum have tried it, probably since most people that are intersted in the reflash are not usually interested in having allot of mods- especially visible mods. I have an HKS EVC (electronic bc) and when I set it to 20 psi, my boost tapers off to about 18.5 or so psi @ 7200 rpm (most likely still tapering a bit because I'm still running the stock BOV).

On a stock evo, boost may spike at 19-19.5 psi, but it drops off VERY RAPIDY, sometimes as far down as even 13 psi ... depending on the car. I plan to order my Works reflash very soon ... and to be safe, I hope to be able to set my HKS EVC while the car is on an AWD dyno (I promised everyone a before vs after Works reflash dyno session, so why not ... JEW NO what I mean man! (I can say this cuz I'm Jewish ) . My prediction is that 20 psi, tapering off to 18-18.5 psi at redline will make the car into A MONSTER with the reflash.

In regard to forum member Alfriedesq, he is indeed using an HKS EVC with the Works reflash ..... but he also has a ****LOAD of other mods ... including GReddy E-Manage, JUN Cams, HKS 3037 T kit ... ETC. ETC. ETC. So YES .... it can be safe and is MOST LIKELY VERY EFFECTIVE to run a set boost manually or electronically with the Works reflash set-up. Just be smart and don't run too much boost until u have a chance to moniter how the car is responding to added boost, after the reflash. In other words, set your mbc while on a AWD dyno and u should not have a problem.

Meanwhile, I'll let u know how the EVC work with the reflash ASAP ... but you have to quit acting like a BIG BIT*H and go try this for yourself ..... set boost low and work your way and you should be fine. Good luck ... bit*h boy! JK!
Old Aug 3, 2003 | 12:26 PM
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bump ... by accident!
Old Aug 3, 2003 | 12:31 PM
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Ok. First of all, I think Al only has the reflash for a higher rev limit..nothing else touched (rev limit set at 8500).
Also, according to a dyno run seen with the Works reflash it was REAL lean up top...meaning there is no way you would want to hold a higher boost to redline. It would cause an overly lean condition. If you add an mbc or ebc you would have to have an SAFC to add some fuel up top. Also, the reflash is said to be rich in midrange which would also befefit from the addition of the SAFC.
Old Aug 3, 2003 | 12:46 PM
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Gentlemen,

Let's keep this civilized. Name calling and flaming will not be tolerated on the WORKS forum.

We value everyone's input, but that is not the image we want associated with WORKS. Let's show everyone we're above that.

To answer the question at hand, it is probably the worst kept secret in the industry that WORKS has been in active development of a Brain flash upgrade for some time now and that this upgrade will increase boost through the boost mapping available within the factory ECU (no add-on boost controllers needed).

However, until that long-term evaluation is complete, we will not be at liberty to disclose much more information. Our methodology is slow, painstaking and very detail oriented. We would never treat our customers as guinea pigs -- when you receive a product from WORKS, it has already gone through long term testing and extreme conditions testing to ensure that it is 100% safe before the customer ever sees it.

The Brain flash that is currently out should not be used with a boost controller. That is our official WORKS recommendation to our customers. It is simply not designed for extra boost, and running additional boost should only be done at your own risk and with the understanding that serious repercussions could result -- including terminal motor damage.

While some of our customers have elected to ignore this recommendation, and will no doubt attempt to increase boost on their own, they would be wise to do so in a controlled environment (aka on the Dyno) while monitoring AF/Rs, EGTs, and preferably, data-logging.

However, it is our recommendation that Brain flash users sit tight for the time being, until an official announcement has been made from WORKS headquarters. Rest assured that we have your interests in mind as EVO enthusiasts -- both in terms of performance and reliability -- and that we are here to serve your needs. If and when this increased boost option becomes available, current WORKS Brain flash owners will not be left with an "obsolete" Flash program and will be offered a cost-effective upgrade.

-- DavidV

Last edited by DavidV@WORKS; Aug 3, 2003 at 01:04 PM.
Old Aug 3, 2003 | 02:32 PM
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YAY! a cost effective upgrade
Old Aug 4, 2003 | 08:28 AM
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Originally posted by DavidV@WORKS
Gentlemen,

WORKS has been in active development of a Brain flash upgrade for some time now and that this upgrade will increase boost through the boost mapping available within the factory ECU

The Brain flash that is currently out should not be used with a boost controller.

.....it is our recommendation that Brain flash users sit tight .... when this increased boost option becomes available, current WORKS Brain flash owners ...will be offered a cost-effective upgrade.
Sweet, just answered all my questions
Old Aug 4, 2003 | 03:57 PM
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Thanks for the direct answer

[
The Brain flash that is currently out should not be used with a boost controller. That is our official WORKS recommendation to our customers. It is simply not designed for extra boost, and running additional boost should only be done at your own risk and with the understanding that serious repercussions could result -- including terminal motor damage.
David, this is exactly what I personally have wanted to see from you in the past. We all want as much power as possible for the least amount of investment. Customers and future customers mill around asking these questions, but until now haven't gotten the straight story from the horses mouth. Its not a majic message just direct common sense feedback.

Having put a couple of thousand miles on the 93 octane reflash, I have been very happy with the results so far. I do know however that my car is running crisp enough up-top to not add a boost controller. I think that you taking a formal position is what we need most from you as a vendor, and don't see enough of this kind of feedback. This isn't a back-handed comment but one of support as I believe in the products you are developing and selling, and think you are a decent guy.

I look forward to the debut of your future products and am interested to hear about your boost control development.....even if it means you are telling us it isn't going to happen!

N10S
Old Aug 4, 2003 | 05:38 PM
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Hey EVO 1, you have nothing to contribute. You only seemed to be involved with posting flames, yet didn't post a single bit of useful information .


Thinking running 20PSI to red would make a monster ehh? Well maybe on a SAFC as you pointed out, but a SAFC does not alter timing in the least, Davids guys HAVE, and as you know the more timing advance, the less room for detonation there is, and this is based on your opinion? DO you have a flash? Then why are you making up false info?

AGain think before you speak, you obviously have no real info on the matter, just a misunderstanding, work on that.


OH Yeah, and that guy with the gredy E-Manage, of course he can run more boost on teh reflash, he is altering the A/F and timing so no matter what is flashed is changed quite easilly.


the Works reflash it was REAL lean up top...
Nope, it is actually pretty fat, EGT tests by Flash users have concluded that stock EGTS and reflash EGTS are the same. INFACT it may even be cooler as the EVO is so rich stock, unburned fuel is escaping out the manifold and well just look at how black your stock exhaust is, it is that rich.


Thanks for the reply david, when is the NEW Ecu flash gona be done, any hard info, I want one soon, but if you offer a better one, I want that instead.

Also do you have a flash for an exhaust upgrade yet?


Thanks



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