Water injection or meth for only cooling? - McLaren Life
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post #1 of 7 Old 04-17-2019, 06:22 PM Thread Starter
 
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Water injection or meth for only cooling?

So being here in south FL it gets really hot, I’m going to tune on full e85 but i also want to add a water injection kit to cool the amb temps downs.

Should i spray just water because i don’t want effect air fuel ratios of my tune or a water heavy mix with meth?

Or should i just have it installed before the heat exchangers with a switch to manually spray after making a run to just cool the head exchangers.

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post #2 of 7 Old 04-17-2019, 06:30 PM
 
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Originally Posted by 12cKid View Post
So being here in south FL it gets really hot, I’m going to tune on full e85 but i also want to add a water injection kit to cool the amb temps downs.

Should i spray just water because i don’t want effect air fuel ratios of my tune or a water heavy mix with meth?

Or should i just have it installed before the heat exchangers with a switch to manually spray after making a run to just cool the head exchangers.
Usually this depends on what your tuner feels most comfortable with imo. I'd check with them or maybe just get bigger intercoolers instead? It looks like SRM is making larger ones now!
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post #3 of 7 Old 04-17-2019, 10:28 PM Thread Starter
 
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Quote:
Originally Posted by 12cKid View Post
So being here in south FL it gets really hot, I’m going to tune on full e85 but i also want to add a water injection kit to cool the amb temps downs.

Should i spray just water because i don’t want effect air fuel ratios of my tune or a water heavy mix with meth?

Or should i just have it installed before the heat exchangers with a switch to manually spray after making a run to just cool the head exchangers.
Usually this depends on what your tuner feels most comfortable with imo. I'd check with them or maybe just get bigger intercoolers instead? It looks like SRM is making larger ones now!
Yep Dyno spectrum said run a small straight water shot. Sense I’ll have enough fuel from full e-85 i don’t need meth and if i tune with a small amount of 100% water just to cool the ambient temps, if the meth/water pump were to fail i wouldn’t run lean to blow the motor as if i tuned on meth.

current cars:
2013 12c 1000whp goal
2018 glc63 amg
1994 toyota soarer 1200whp
2014 audi r8
secret level 6 armored car

past cars:
2016 bmw i8
1998 RHD supra
2015 m4
2018 m3
2008 m3
2004 twin turbo gallardo
2013 gallardo 50th anniversary
2013 GTR
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post #4 of 7 Old 04-18-2019, 02:10 AM
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I always prefer straight water, after the exchangers... I like the Aquamist controllers too.
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post #5 of 7 Old 04-18-2019, 02:15 AM Thread Starter
 
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I always prefer straight water, after the exchangers... I like the Aquamist controllers too.
Yes like the m4 gts water injection. I just ordered a snow Performace dual nozzle kit
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current cars:
2013 12c 1000whp goal
2018 glc63 amg
1994 toyota soarer 1200whp
2014 audi r8
secret level 6 armored car

past cars:
2016 bmw i8
1998 RHD supra
2015 m4
2018 m3
2008 m3
2004 twin turbo gallardo
2013 gallardo 50th anniversary
2013 GTR

Last edited by 12cKid; 04-18-2019 at 02:42 AM.
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post #6 of 7 Old 04-18-2019, 04:21 AM
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The Hypercar guys were selling upgraded heat exchangers. I had them on my 12C and they worked great. I also had 50:50 meth:water and the IATs were awesome.

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post #7 of 7 Old 04-18-2019, 12:43 PM Thread Starter
 
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The Hypercar guys were selling upgraded heat exchangers. I had them on my 12C and they worked great. I also had 50:50 meth:water and the IATs were awesome.
thanks man! yes im aware they have that im waiting for XPRD's upgrade. so in the meantime im going to spray just water so the meth doesn't effect my AFR and the car won't be dependent on a meth pump (that could fail) for fuel.

current cars:
2013 12c 1000whp goal
2018 glc63 amg
1994 toyota soarer 1200whp
2014 audi r8
secret level 6 armored car

past cars:
2016 bmw i8
1998 RHD supra
2015 m4
2018 m3
2008 m3
2004 twin turbo gallardo
2013 gallardo 50th anniversary
2013 GTR
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