UTEC vs. Vishnu

FastieMagee06 · 06-25-2008, 07:34 AM

I was wondering which of these EM's is the better of the two? I have an 06 STi. Right now Im running the UTEC w/ tune. I picked up the Vishnu for cheep and wondering if it was any better (Easier to use, Better options)? Is there anyone with experience with the Vishnu or is it a POS? Any info would be greatly appreciated!!! Thanks everyone!!! Dave

***gabedude*** · 06-25-2008, 08:23 AM

Vishnu is a reflashed ECU. UTEC is a user tunable piggy-back (much like a standalone though). First decide whether you want to tune yourself or if you want to load staged maps.

Icereaperx303 · 06-25-2008, 09:25 AM

If you want multiple maps with some sort of ability to change them out I would get a cobb accessport. Topspeed in alpharetta can tune with that device.

jays05 · 06-25-2008, 09:39 AM

Quote:

Originally Posted by FastieMagee06

I was wondering which of these EM's is the better of the two? I have an 06 STi. Right now Im running the UTEC w/ tune. I picked up the Vishnu for cheep and wondering if it was any better (Easier to use, Better options)? Is there anyone with experience with the Vishnu or is it a POS? Any info would be greatly appreciated!!! Thanks everyone!!! Dave

ding ding ding

***Szumita*** · 06-25-2008, 09:39 AM

utec or an accessport.

i personally like the AP, because of the ease of use and the gauges built in.

Loubaru · 06-25-2008, 05:10 PM

Unless you need to switch maps on the fly (without a laptop, and some time) I would just go with opensource, ie Romraider... You can spend $700 for a $25 piece of plastic, ****ty LCD screen, flash memory, and a mediocre at best OTS tune; or you can spend <$500 on a tune for your specific car, which will make it run smother, healthier, and probably make more power.

FastieMagee06 · 06-25-2008, 10:50 PM

Im running the UTEC off a protune right now... The vishnu xede from what it looks like is a piggy-back also. If I found a AP for 50 bucks I'd use that.... I thought I read some where that people with the UTEC also do a Re-flash as well? Im in Afghanistan so it will be a while before putting all this together. Im planning on possibly running a FP Green in the future.

***bbong*** · 06-26-2008, 04:41 AM

I'd go with the AP, you don't need the UTEC, plus the price on it is really steep and TXS is kind of hard to deal with, did I mention that the price of these systems depreciate faster then anything I've ever seen.

jays05 · 06-26-2008, 06:41 AM

I would not expect you'd gain anything from switching to another form of engine management besides drivability improvements.

I'm one of the few on this board that loves the UTEC. The simplicity of it also makes it very powerful and there are some things you can do with it that just aren't possible on the stock ECU. Keep the UTEC if you want Speed Density, adjustable knock sensitivity, and real working launch control without all the problems that LC on the stock ECU causes.

bluedemon_II · 06-27-2008, 05:25 AM

If you are willing to stay with the Utec then Opensoruce+utec is a good combo for you. You can tune out the transition point that makes the car bug out and have the plus of having the utec etc.

FastieMagee06 · 06-27-2008, 06:44 AM

The transition point is the only thing that bothers me about the UTEC... IDK jack about open source though. Thats basically a reflash, right? Im going to look into the ROM Raider. Is there additional tuning involed with opensource? Thanks for all the info everyone!

06-25-2008, 07:34 AM	#1
FastieMagee06 STI Driver Car: 2006 Subie STi Fav Mod: Turbo-back exhaust Location: Clarksville, Tn Posts: 229 Join Date: Apr 2007 Trader Rating: (0)	UTEC vs. Vishnu I was wondering which of these EM's is the better of the two? I have an 06 STi. Right now Im running the UTEC w/ tune. I picked up the Vishnu for cheep and wondering if it was any better (Easier to use, Better options)? Is there anyone with experience with the Vishnu or is it a POS? Any info would be greatly appreciated!!! Thanks everyone!!! Dave This ad is not endorsed by this member. Please register or login to hide this ad.

06-25-2008, 08:23 AM	#2
*gabedude* OpenSourcerer Car: 2007 UGM WRX STI Fav Mod: ECU Location: Austin Posts: 799 Join Date: Apr 2007 Trader Rating: (0)	Re: UTEC vs. Vishnu Vishnu is a reflashed ECU. UTEC is a user tunable piggy-back (much like a standalone though). First decide whether you want to tune yourself or if you want to load staged maps.

06-25-2008, 09:25 AM	#3
Icereaperx303 Junior STI Driver Car: 06 WRX STi WRB/Gold Fav Mod: Kartboy Super Shifter Kit Location: Cleveland, TN Posts: 66 Join Date: Jun 2007 Trader Rating: (2)	Re: UTEC vs. Vishnu If you want multiple maps with some sort of ability to change them out I would get a cobb accessport. Topspeed in alpharetta can tune with that device.

06-25-2008, 09:39 AM	#5
*Szumita* i eat cones Car: 08.5 GTI MKv Fav Mod: 18x8 Location: ma & ri Posts: 6,735 Join Date: Oct 2006 Trader Rating: (21)	Re: UTEC vs. Vishnu utec or an accessport. i personally like the AP, because of the ease of use and the gauges built in.

06-25-2008, 05:10 PM	#6
Loubaru Professional STI Racer Car: 07 OBP/Gold STi Fav Mod: DomTune & MD Whisper Location: NW, Washington Posts: 778 Join Date: Jun 2007 Trader Rating: (2)	Re: UTEC vs. Vishnu Unless you need to switch maps on the fly (without a laptop, and some time) I would just go with opensource, ie Romraider... You can spend $700 for a $25 piece of plastic, **ty LCD screen, flash memory, and a mediocre at best OTS tune; or you can spend <$500 on a tune for your specific car**, which will make it run smother, healthier, and probably make more power.

06-25-2008, 10:50 PM	#7
FastieMagee06 STI Driver Car: 2006 Subie STi Fav Mod: Turbo-back exhaust Location: Clarksville, Tn Posts: 229 Join Date: Apr 2007 Trader Rating: (0)	Re: UTEC vs. Vishnu Im running the UTEC off a protune right now... The vishnu xede from what it looks like is a piggy-back also. If I found a AP for 50 bucks I'd use that.... I thought I read some where that people with the UTEC also do a Re-flash as well? Im in Afghanistan so it will be a while before putting all this together. Im planning on possibly running a FP Green in the future.

06-26-2008, 04:41 AM	#8
*bbong* Evil Monkay Car: 06 Subaru WRX STi - Fav Mod: Hydra Location: New York Posts: 625 Join Date: Oct 2006 Trader Rating: (4)	Re: UTEC vs. Vishnu I'd go with the AP, you don't need the UTEC, plus the price on it is really steep and TXS is kind of hard to deal with, did I mention that the price of these systems depreciate faster then anything I've ever seen.

06-26-2008, 06:41 AM	#9
jays05 Spec C Club Car: Blue 05 STI Fav Mod: Synapse FMIC Location: Upstate NY Posts: 1,714 Join Date: Nov 2004 Trader Rating: (0)	Re: UTEC vs. Vishnu I would not expect you'd gain anything from switching to another form of engine management besides drivability improvements. I'm one of the few on this board that loves the UTEC. The simplicity of it also makes it very powerful and there are some things you can do with it that just aren't possible on the stock ECU. Keep the UTEC if you want Speed Density, adjustable knock sensitivity, and real working launch control without all the problems that LC on the stock ECU causes.

06-27-2008, 05:25 AM	#10
bluedemon_II Grassroots STI Racer Car: 04 Sti Wrb on Silver Location: Hatillo, Puerto Rico Posts: 501 Join Date: Jul 2007 Trader Rating: (0)	Re: UTEC vs. Vishnu If you are willing to stay with the Utec then Opensoruce+utec is a good combo for you. You can tune out the transition point that makes the car bug out and have the plus of having the utec etc.

06-27-2008, 06:44 AM	#11
FastieMagee06 STI Driver Car: 2006 Subie STi Fav Mod: Turbo-back exhaust Location: Clarksville, Tn Posts: 229 Join Date: Apr 2007 Trader Rating: (0)	Re: UTEC vs. Vishnu The transition point is the only thing that bothers me about the UTEC... IDK jack about open source though. Thats basically a reflash, right? Im going to look into the ROM Raider. Is there additional tuning involed with opensource? Thanks for all the info everyone! This ad is not endorsed by this member. Please register or login to hide this ad.