I wonder if some people are confusing this with the stock ECU's tendency to start closing the throttle at high RPM? There is value in remapping the throttle to open 100% at high rpm. That is additional power and something that Osiris does.

 

Not yet, we haven't had any call for it. Even in the Subaru world the difference was mostly perception. If we had a shop that wanted to further that development we'd work with them, but it would have to be convincing differences. So far we haven't really needed it in any of the tunes we've handled. In basic testing the electronic controls seems to react only microseconds slower than cable, and they rate that they open is directly related to stumble and vortex issues in the throttle body, it's been more efficient so far this way. I can't speak for BMW, but on Subarus and Nissans so far we've never seen a real benefit from it, other than marketing.

 

Wow, nice. Very informative thread.

Thanks UpRev.

 

That is exactly what I am looking for. But, if uprev says there isn't a product out I guess we have to wait?

 

Basically.

A product that just rescales the pedeal is basically a waste of time, I am looking for an actual improvement in performance (which in this case would be time).

Thanks for the response Uprev.

-George

 

George, if you can get me logs from one of your cars showing some part of the ECU that is dynamically changing just based on throttle, we'll look into it further. We just need to locate what part of the ECU adjusts the various throttle controls. We can add it to the Pro Tuner software once we find it all and give you guys some controls to do further testing. If you get any actual gains from it, we can add a radial button for various settings in the tune.

Like I said, we still don't have much in the way of proof of gains so far, other than marketing hype.

 

Maybe we can get the ecu programed to improve the throttle time or something?

 

Like I said, we haven't actually seen any benefit from doing anything like that so far. If we find that someone has proof of benefit from it, we'll add it to the tuner software. Our experience has show no gain though, even on other makes of cars.

 

I completely agree with you right there. Some people might not agree with the way you came into this thread, but its things like that, that keeps turbonators and electric superchargers exposed for what they are. Not saying the blitz is one of these, because I don't know, but it is great to have both sides, instead of people saying mind your business and have people promote bad products, again, not saying blitz is bad because I don't know. Everyone could say that about an electric supercharger thread, to each their own and its their money, but this is a site of knowledge and facts, not opinions and it is both sides that keep the world turning.

 

some people enjoy the "extra kick" coming from pushing the "sport button" on a BMW... some people will install an intake also if it's proven that will lose some power or stay pretty much the same because they enjoy it and the sound.... some people puts 19" or 20" inch rims all around also if that cost performance, comfort and tire choice....
some people put a full racing BBK to go to some shows....
some people put a bad *** body kit with a 4 grand carbon fiber racing wing also if that car will see only shows and never a track...
or 1K $ in a cluster of gauges driving only on the street.

the blitz controller is a "multi step" bmw sport button.. that's it.
some people will like that, some don't... that's it.
increase the horsepower? nope. osiris does? yes.
can osiris switch the throttle control at the press of a button (probably using the muti map with the cruise control), it's the blitz controller a nice toy.. yes. that's the reality.

the guys at uprev are about something else, under the hood performance... there are customers for them and costumers for the blitz throttle control... and costumers for both.

I see that the 350z community is good also because we have a lot of people with some cash in their wallet, ready to spend money for a lot of things... w/o those guys we wouldn't have pretty much nothing.... because nobody will develop anything if there isn't a wide potential costumer base.

 

I agree, thats personal preference. If a person keeps an intake because they like the sound or puts a blitz because they want full throttle at 75% peddle press, personal preference. It's a different story if they came in saying the blitz gave me an extra 15 hp because i feel fast, everyone get it, or say the electric supercharger does not hurt your engine, it can't its in magazines, thats a different story. I agree with you though, we do need both sides of the camp, people to buy and try, and people to debunk. I'm just hoping these forums don't turn into stay out of a (insert product name here) thread if you don't agree with it, because then all we would have are threads about the positives of a product without the negatives.

 

realistically people just want a controller that reduces the lag between tapping the throttle and the revs actually raising.

with all the ecu programmers, not sure why this isnt available?

 

Technically even this unit cannot do that, it deals with the signal GOING to the ECU. So unless it begins to press the throttle before you do, it can't do what they are saying.

Also, thats not how a throttle or a motor works, even on carburated vehicles there is a delay. There may be slightly (milliseconds) more delay in current ECT cars, but it is programmed in there by the factory because of stumble, erratic response, velocity issues, not just because they are being *******s.

Only way to get instantaneous response is with electric motors, the electro magnetic properties allow it to do so, with a suck, squeeze, bang, blow, 4 cycle fuel driven motor, there are huge delays in pressing a throttle and the motor doing anything.

If you change your intake design and throttle body design, then you will need to probably adjust throttle response, but no one besides OEMs that I know of have a flow bench or computer simulator that can give them accurate feedback in testing so that they can fine tune this kind of stuff.

 

If the OP likes the product, then so be it. It seems to me that this product is being bashed for its lack of performance gain. We all know that the throttle controller modifies the throttle response with no performance gain. Just leave it at that. There is no need to come in this thread and try to prove that one's product is superior than the other. Let the consumer decide what is best for them. To OP, if you like the throttle controller, by all means enjoy it. Don't let others second guees your purchase.

 

So to sum it up, can someone confirm if I get this straight:

The Blitz Throttle Controller doesn't make the Throttle open wide any sooner. What it does is just controlling the pedal feel and throttle response to the pedal's moving ratio?

So in reality, it doesn't shift the throttle % of open according to RPM, but instead open the throttle to the movement of the gas pedal (how deep we push it).

Also, it doesn't make/keep the throttle open 100% at higher RPM. That can only achieve through reflash and Osiris?

Am I correct at interpreting this?

The reasons I was interested in this product are because:

1. I've seen issues where my throttle doesn't open 100% and close up at high RPM. When I had my car tuned at Forged Performance, NA with UTEC, Sharif and I see the issue where my power curve started to drop off much earlier than normal cars. After many analysis, we've come to the "reasonable" conclusion that it's because my TB didn't open all the way and closing earlier than normal.

2. I'm interested in shifting the throttle % of open at earlier rpm. Shift the HP graph to the right and achieve HP a little earlier than normal.

 

Wow, long thread about nothing... Can I plz have the 10 minutes of my life back? Thx.

 

How to save yourself $300: Press the gas pedal down faster.

Exact same effect achieved.

 

Correct. Mostly. From our testing, the closing of the throttle at the higher RPM hasn't hurt the performance on NA car at all. The dynamics of that equation change when dealing with FI cars, but usually NA cars would be more likely to have issue with it that the FI cars. We'd have to do more conclusive testing on it, but it's largely unlikely that the slight closing at high RPMs will cause much if any loss of power.

Also Sharif now has the Pro Tuner software and he can let you control WOT and change other base parameters on your ECU.

 

i dont understand after me reading 2 pages of this thread a sponsor bashing another 1s product. Kinda like me working 4 turboxs and saying how much better it is then uprev. how many people r using uprav btw? U know what if i ahd 300$ and wanted to buy sumthing 4 my car, i would buy the blitz and tell people its a piggy back. And its got a cool interface that i bet looks kool at night . Cant wait to see some of ur product threads. Hope nobody bashes ur product...... OP congrats on ur blitz controller. Go to the track and do a run reg and then the other sp2 or w.e 1 thats the most intense

 

I seriously read this thread because I wanted to hear from the OP what he thought of it etc maybe a couple of vids... but all I read is UPREV trying to prove that there product is better than the blitz.... I got no info out of this thread... therefore it fails!. K bye.