Osiris owns anything for NA applications. But for FI is still questionable.

 

+1 on N/A. But will remain questionable over speed density driven Haltech, F-Con V pro, Pro EFI etc.

 

A Vortech setup is possible for under 6k. And many Vortech folks seem to be running the Osiris perfectly fine (most of them seemed to be under the great hands of tuners like GTM, Forge, or UpRev).

But if I were spending 15k+, that would probably be pushing big HP (500+). And if I were pushing that kind of power, I would not be on the stock block.

 

Nope, never had any problems with FI since we released the updates over a year ago.

 

100% incorrect.

Speed density is unreliable and old technology. You can't get as nice and reliable of a tune by guessing air volume based on pressure. Which is exactly what speed density is. MAF is known superior. No OEM forced induction vehicle uses anything other than MAF.

Speed Density/MAP is used by import tuners only, and because it's easier. 50% of your tuning is done for you by plugging in a VE table. MAF is alot more difficult to adjust if you're changing the MAF, or changing the tubing that it comes with from stock.

The reason why aftermarket ECU and piggy backs come with MAP based technology is because it's easier to deal with, they don't have to support all the different flow rates of all the different cars on the planet. All the stand alone companies have to do is send out approximate VE tables.

MAP becomes usable on huge power cars, 1000+, and not something street driven, nor designed to be a 100k mile motor. MAF does a better job here also as it more accurately measures density, volume etc and as long as the ECU has a fast enough processor to do all the calculations. The only time a MAF becomes sort of a pain is if you're trying to make a 1000+hp 3.5 liter motor street drivable, it's difficult but can be done, idling a MAF that supports 1000hp (which our MAF does) is not too difficult but plugging in a prebuilt VE table and telling a customer "oh well" is far easier.


I guess the point is moot anyway. The guy who started the thread sold his Utec and bought Osiris.

 

what about no knock detection over 5k rpm with uprev?? doesnt seem like a very good idea with F.I. where alot of the power is made there and driving takes place..something seems like it could go wrong very fast??

 

Uprev already answer that q on other thread. If you think its not good idea then osiris isn't for you.

 

easy chef...uprev is a great product and is proving to be a great option for F.I. that has nothing to do with what i said or another thread that i must have not seen, which doesnt help me any..im asking here in this thread obviously that is where i am and not in another thread..

so to jared from uprev i beleive it is ...what about no knock detection over 5k rpm, is this true? do u feel this could be bad or that it is perfectly fine and why, thats all i am asking, this is where a vortech kit like i have is making its boost basically and its full potential so i feel this is a place where attention to things like that would be needed...

 

I was just saying tyler. I will not say anything about your q, since you want to hear from rich@uprev. Plus I also don't have an experience with uprev product "yet", just have guessing/search info for now, which means not helpful/useful at this moment.

But base on my experience how much I did search or advice from people, I didn't realize anything untill I try.
(I'm just saying, I bet you still searching about ems for your setup)

 

im glad u are going for it..if i do end up changing things up as of now it will be to go with uprev, but i just need to get all the info. i can basically and cant seem to find out much with osiris and F.I. cause there is not much info. on here about it..ive tried emailing uprev a few times with no response so..

 

If you are really serious about it, give them a call. But you know there is pros/cons, that to find out you have to use yourself. I can give up my piggy back's for osiris, but some people can not give up piggyback for osiris with their own reasons. But in the end, it's really up to who tune your car... I've met few tuners in short time...And that's what i realized... how much tune is important for FI car...

Good luck tyler. If you do have a question or want to discuss something... you know how to contact me.

 

I've had great results with Osiris on FI cars....we are planing to convert another FI car very soon...nothing can beat the smooth predictable performance of a Mass Air sensor when working on these street driven platforms....the consistency of MAF tuning is rock solid...and the results really shine in real world driving situations....I use MAF sensors on many other BIG hp platforms (Lightnings/Cobras/LSX) ...and always see consistant results with the factory ECU running the show...

-Jack

 

Nothing wrong at all with a MAF under boost. Blow through MAF for the win haha. The only reason people think that on this forum is because that is what has been been pushed by retarded systems like the FCON. Sure its probably good, can't tune it yourself. Thats retarded. I would never buy a system and put it on my car that I could not tune myself. There would be no way in hell everytime I made a change i would spend 500$ for a retune. fck that.

FCON - Cant tune yourself. Still a piggyback no matter what they say
Utec - Fights with stock ecu if you use it as a MAF system. I tried and sold it.
Haltech - Probably the best after uprev, due to the extra options such a launch controll.
PRO EFI- Same thing cant tune it yourself = garbage.
COBB Tuning - Can't tune yourself = garbage.

ALL 350z EMS are piggyback due to them not being able to control the CAMS. Show me one that can remove the stock ecu all the way and have cam control on a revup. You wont.

Uprev Osiris - Can tune my self. Can tune the cams. The only thing it doesn't have is things like launch controll and boost control. I can add that on with piggyback boxes. No stupid *** transitions like the utec. Its the best. Need a bigger maf you can change the scaling in the software for it. I have had the end user tuneable version for over 2 years. My tune never changes. No matter the altitude or anything.

BTW if you want knock control get a J&S Safeguard. I will be using one for when I do turbo my car. Lots of turbo cars do fine without knock control. Well if you have a good tuner tune it. You should never tune on the threshold of knock anyway.

 

^ i wouldn't call garbage because i do not like it. Piggyback, reflash and standalone..everything has pros/cons, it's really up to what people feel comfortable to use with their setup.

 

It has never been what people feel comfortable with on this forum. Its whatever is pushed down thier throats by the tuner shops on here. Like my thread on a cam tune for the revup had 2 posts in it. Uprev has not tuned a revup with aftermarket cams yet. Guess I should get an fcon and trailer my car 10 hours to tune it. In a few years I am sure most will be tuned with Osiris. Sorry but the stock ecu is way more powerfull than an aftermarket one. Except for maybe a motec or magnetti marilie. My Osiris software is less than half the money of a haltech or FCON. With the REVUP having wideband o2s from the factory I don't even need extra gauges.

Uprev also sent me an email and a rom tune off of another car and explained to me in detail how the maps work. I was then able to tune my cams perfectly. Try that with an fcon. The utec is like being in the stone age for software.

 

Like i mention. For you, you are more into adjust cams on revup, for some are more focus on other stuff as well. It's hard to put others are garbage. I sold my utec with thing that i couldn't handle. it's just due to piggy back couldn't do. Is that call garbage? no. It just didn't work out with my setup, doesn't mean it will not work out with other people's car. Yes, i understand each products has limit control with each people's setup, but that doesn't mean...( again ) it is garbage.

it is really up to users, how they wants to run the car and how they wants to use a ems for and who tune the car.

sounds like you had many ems. Please explain to me with your own experience, why each products are garbage. So that info can be useful in future. I'm just sick of hear people write review without their own experience.
Btw, my car is at uprev. It's not few years later everyone use osiris or realize, already many shops/members running osiris with their car with their setup and their customer's car. They already know how good it is.

Edit: i just realized that you have low compression motor without FI kit.

 

That's a well thought out response, Chef-J. Rocks, while pioneering as you've been with use of Osiris, it has it's pros and cons just as Chef-J mentions all units have. Several of your statements about other EMS systems are highly opinionated (i.e false).

If you start looking at Osiris, plus a boost controller, plus launch control, plus traction control, plus knock control (I agree FI tuning should preclude need for this but at least detection of a bad tank of gas would be nice), etc., you can see how one might start to favor other units that integrate these functions into a single package. Until you have first hand experience with Osiris on a boosted motor, I would reserve judgment. I'm not saying Osiris is a poor solution for FI. Far from it and in fact, for a 2004.5 model and up with a straightforward 4-500 whp build, I would consider it. But it does have limitations that need to be considered. I would recommend an Osiris reflash regardless to deal with CEL issues, DBW limitations, etc (and most that go FI end up doing this). So everyone going FI should take a look at Osiris - no question about it.

I have Osiris and the Haltech and am considering using MAF in the future as all my tuning has been painstakingly dialed in with IPW anyway, not VE. Retuning a 32x32 grid by MAF will be a PITA, but with the Haltech I can datalog MAP and MAF simultaneously and have a near perfect map ready to go.

 

A J&S safe guard is better than a ems knock control as it can retard timing on each cylinder. A MSD two step for launch control can be had for as little as 150$ used. Electronic used boost controller 100-200$ on ebay. I am sure if I was a tuner I would want to charge people for an ems that they are locked out of. Hey want your boost raised for race gas, come pay 500$... Honestly it seems to me the do it yourself has gone away. On this forum you are practically flamed to death for it. Read the thread about the guy who put a turbo on his 350z. Forum sponsors wouldn't deal with him when he posted the diy turbo thread.

What about the guy who was buying a haltech to get rid of his trailer hitching effect? 2000$+ to correct a problem that could be corrected by blowing through the MAF sensor. You dump un metered that has already passed through the maf, yea your gonna run rich when you let off of the gas.

My point is having something that I can not tune would be horrible, I live in the middle of no where. A dyno is over 100 miles away from me. I would never build a car that I could not work on. Maybe if I was filthy rich. When I do turbo my car I will take it to uprev for the initial tune. From then on I will make adjustments myself.

 

Osiris does have a form of launch control. I'm not sure it's exactly what you're looking for, but it does work. I know several people that use it.

You basically set up two identical maps with different rev limits. One rev limit would be for the launch... say 4500 rpm... and another map would have your normal rpm limit... say 8000 rpm.

Switch to the 4500 rpm map when you drive up to the starting line... Switch to the 8000 rpm map, but keep your finger on the button... As soon as you launch the car, let off the button... the 7500 rpm map takes over... works pretty well.


-jb

 

I have aftermarket cams (JWT C8R) and am tuned with Osiris. My car was tuned by S&R Performance, so if you meant UpRev proper in Austin, Texas, that might be a different story.

I think tuning a RevUp engine that has aftermarket cams with Osiris is difficult. Indeed I am having some driveability issues that I did not expect. I think it's like tuning any car with aftermarket cams... The Tuner makes the difference, not the software.


-jb