Straight water injection without tune?

***Turbineguy*** · 06-11-2006, 01:44 PM

I know running a water/meth mix requires a tune however can I run just straight water only for the cooling effect without the tune? Just curious since its getting blazing hot out and I want to make sure the system works before my tune on the 1st.

offset · 06-11-2006, 02:59 PM

No, not a good idea at all.

offset

**WolfPlayer** · 06-11-2006, 03:25 PM

^^^ ????

IMHO, not a problem running water injection on top of a 'whatever' tune. The problem is when you inject meth. If you inject straight water, IMHO, no problem.

t

Flycaster · 06-11-2006, 03:39 PM

Even straight water injection requires a re-tune since the octane of the mixture is decreased - I've seen some of PDXT's same-car maps and they are pretty different. At the very least I wouldn't beat on it at all until I got it re-tuned.

RainMaker · 06-11-2006, 03:40 PM

I've been doing it for ... 4 months now?

No big deal, just expect to lose about 20hp. If it was too hot for your previous tune, you may actually have a happier tune.

I have even been injecting 50/50, though Im all over the AFRs.

Flycaster · 06-11-2006, 04:49 PM

Quote:

Originally Posted by RainMaker

I have even been injecting 50/50, though Im all over the AFRs.

Without a re-tune? Nah, tell me you're not doing that....

**Nachos Libres** · 06-11-2006, 05:18 PM

Quote:

Originally Posted by RainMaker

I've been doing it for ... 4 months now?

No big deal, just expect to lose about 20hp. If it was too hot for your previous tune, you may actually have a happier tune.

I have even been injecting 50/50, though Im all over the AFRs.

Yeah, you should need a retune if you are mixing 50/50. Else you are running crazy rich.

RainMaker · 06-11-2006, 07:40 PM

Quote:

Originally Posted by Flycaster

Without a re-tune? Nah, tell me you're not doing that....

I didnt tell you what size jet Im running

Yeah, Im doing it... it brought my AFRs down about .5.

Retuen was supposed to be on wednesday, but Ecutek puts security "features" on the 06 Ecutek licenses that make it impossible for a Cobb AP to work.

My AP and my ECM are going to Cobb overnight tomorrow. THen back again to a hopeful retune with Tim.

I guess Im not sure what you think is happeneing thats detrimental if Im .5 richer and monitoring every step of the way.

RainMaker · 06-11-2006, 07:41 PM

Quote:

Originally Posted by SVT Amateur

Else you are running crazy rich.

That depends entirely on the jet and the tune prior... and I dont think "crazy" would be the case almost in an form, unless folks are running a 1mm jet and spraying over 0psi.

***Turbineguy*** · 06-11-2006, 07:45 PM

So whats the concensus here? Should I bother since my tune is only 2 1/2 weeks away? Also where have you guys mounted the pump? Underhood or other places?

***520*** · 06-11-2006, 07:47 PM

dont bother.

***VSGTS14*** · 06-11-2006, 07:51 PM

straight water....water gets hot...

meth is uber cold..just touch it...lol.

Titleist71 · 06-11-2006, 08:17 PM

DO NOT run the meth or water without a tune. Spare yourself the problems. Just unplug the controller so it won't spray and your tuner will purge the system when he tunes the car.

***Turbineguy*** · 06-11-2006, 08:18 PM

OK I'll just wait till the tune but would still like to know different places to mount the pump. Right now I have it next to the intake.

**Nachos Libres** · 06-11-2006, 08:18 PM

Quote:

Originally Posted by RainMaker

That depends entirely on the jet and the tune prior... and I dont think "crazy" would be the case almost in an form, unless folks are running a 1mm jet and spraying over 0psi.

Nah, .5 is not bad at all.

06-11-2006, 01:44 PM	#1
*Turbineguy* Non-Reformed Meth Addict Car: '06 WRB Fav Mod: A laptop and tuning software. Location: Swampbilly Central Posts: 2,417 IWSTI Addict since: Feb 2006 Trader Rating: (8)	Straight water injection without tune? I know running a water/meth mix requires a tune however can I run just straight water only for the cooling effect without the tune? Just curious since its getting blazing hot out and I want to make sure the system works before my tune on the 1st. This ad is not endorsed by this member. Please register or login to hide this ad.

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06-11-2006, 02:59 PM	#2
offset Professional STI Racer Car: Silver 04 WRX STi Location: Dayton, OH Posts: 690 IWSTI Addict since: Sep 2003 Trader Rating: (0)	No, not a good idea at all. offset

06-11-2006, 03:25 PM	#3
WolfPlayer Moderator & ECU Tech Car: 05 CGM STI Fav Mod: mo boostaz Location: Fredneck, MD Posts: 3,716 IWSTI Addict since: Jun 2004 Trader Rating: (6)	^^^ ???? IMHO, not a problem running water injection on top of a 'whatever' tune. The problem is when you inject meth. If you inject straight water, IMHO, no problem. t

06-11-2006, 03:39 PM	#4
Flycaster S204 Racer Posts: 3,040 IWSTI Addict since: Apr 2004 Trader Rating: (0)	Even straight water injection requires a re-tune since the octane of the mixture is decreased - I've seen some of PDXT's same-car maps and they are pretty different. At the very least I wouldn't beat on it at all until I got it re-tuned.

06-11-2006, 03:40 PM	#5
RainMaker The Next Petter Solberg Car: 08 Z06 Corvette Fav Mod: Jack Jack Location: Portland, OR Posts: 882 IWSTI Addict since: Oct 2005 Trader Rating: (3)	I've been doing it for ... 4 months now? No big deal, just expect to lose about 20hp. If it was too hot for your previous tune, you may actually have a happier tune. I have even been injecting 50/50, though Im all over the AFRs.

06-11-2006, 07:45 PM	#10
*Turbineguy* Non-Reformed Meth Addict Car: '06 WRB Fav Mod: A laptop and tuning software. Location: Swampbilly Central Posts: 2,417 IWSTI Addict since: Feb 2006 Trader Rating: (8)	So whats the concensus here? Should I bother since my tune is only 2 1/2 weeks away? Also where have you guys mounted the pump? Underhood or other places?

06-11-2006, 07:47 PM	#11
*520* STi > EVO... Wait what??? Car: 03 EVO Fav Mod: stock :( Location: Michigan / Saint Louis Posts: 12,393 IWSTI Addict since: Oct 2005 Trader Rating: (1)	dont bother.

06-11-2006, 07:51 PM	#12
*VSGTS14* Muller Chevrolet Car: 08 Chevy 2500 Diesel Fav Mod: a new 09 STi Location: Milford, NJ Posts: 10,154 IWSTI Addict since: Oct 2004 Trader Rating: (11)	straight water....water gets hot... meth is uber cold..just touch it...lol.

06-11-2006, 08:17 PM	#13
Titleist71 Professional STI Racer Car: 05 PSM STi w/ custom Fav Mod: TiaL 38mm vented free as a bird. Location: Maine Posts: 620 IWSTI Addict since: Mar 2005 Trader Rating: (1)	DO NOT run the meth or water without a tune. Spare yourself the problems. Just unplug the controller so it won't spray and your tuner will purge the system when he tunes the car.

06-11-2006, 08:18 PM	#14
*Turbineguy* Non-Reformed Meth Addict Car: '06 WRB Fav Mod: A laptop and tuning software. Location: Swampbilly Central Posts: 2,417 IWSTI Addict since: Feb 2006 Trader Rating: (8)	OK I'll just wait till the tune but would still like to know different places to mount the pump. Right now I have it next to the intake.