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Streetracing.co.za • View topic - Water injection for a n/a car
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 Post subject: Water injection for a n/a car
PostPosted: Thu Oct 10, 2013 9:09 am 
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0.5 bar boost
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Joined: Tue Sep 20, 2011 9:45 am
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Hi all
i read up on water injection on a n/a engine.
my findings are it works, but more effort needs to be done due to water fuel ratio.
Link below

http://www.karlsnet.com/mopar/waterinjection.shtml


Maybe with the N/A motors we need to look into have the correct size nozzle and ratio of the fuel + water
Who had tried this? and if you have what are the gains?

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Boosted - 2001 Tazz 4agte 16v- 165whp - First step;)
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 Post subject: Re: Water injection for a n/a car
PostPosted: Thu Oct 10, 2013 9:25 am 
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2 Bar BOOST!

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Location: Cape Town
Besides the cooling, I don't see any other benefit & with additional meth or eth I am not sure whether the octane would be affected.

Do you want to stay NA? I would say get yourself a 60-2 management, fit cams, bump up comp. There aren't many cheap ways to make power, you need to spend the money

_________________
'89 RSi Twincam 16v - 4A-GTE Project - The Toy is a Toy! :twisted:
'06 Honda Accord 2.4 Type S - this is my Slow Family car
'07 Citi .:R - The Daily - EX - No Comment


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 Post subject: Re: Water injection for a n/a car
PostPosted: Thu Oct 10, 2013 9:32 am 
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0.5 bar boost
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I'm going boost. But I just wanted to see from you guys what are your thoughts and who had been through this. Also wanted to share my findings.

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Boosted - 2001 Tazz 4agte 16v- 165whp - First step;)
NA - Speed Shop = 137.4BHP AT 7500RPM and 147.3NM
2008 Polo TDi 9N3 74kw 240nm


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 Post subject: Re: Water injection for a n/a car
PostPosted: Thu Oct 10, 2013 9:54 am 
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2 Bar BOOST!

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Location: Cape Town

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'89 RSi Twincam 16v - 4A-GTE Project - The Toy is a Toy! :twisted:
'06 Honda Accord 2.4 Type S - this is my Slow Family car
'07 Citi .:R - The Daily - EX - No Comment


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 Post subject: Re: Water injection for a n/a car
PostPosted: Thu Oct 10, 2013 10:13 am 
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0.5 bar boost
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T3/t4 bud. Low boost on stock internals thinking of buying and digging the water injection now then boost with it on stock internals

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Boosted - 2001 Tazz 4agte 16v- 165whp - First step;)
NA - Speed Shop = 137.4BHP AT 7500RPM and 147.3NM
2008 Polo TDi 9N3 74kw 240nm


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 Post subject: Re: Water injection for a n/a car
PostPosted: Thu Oct 10, 2013 10:22 am 
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2 Bar BOOST!
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Location: Working on the project car...

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I know that son-of-a-b!tch is cheating!..'cos i'm cheating and he beat me....
When people say "Oh you just want to have your cake and eat it too". Fucking right! What good is a cake if you can't eat it?- Billy Connolly

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1999 Golf 4 1.6

ex Drag Car!!
2006 Yamaha YZF-R6 *sold*
1994 VW CTi 2.0 16vT 12.35s Killarney 2010
1992 VW Golf GTi 2.0 16vT *sold*
2005 VW Golf 2.0 TDi Sportline *sold*

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 Post subject: Re: Water injection for a n/a car
PostPosted: Thu Oct 10, 2013 10:49 am 
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0.5 bar boost
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Lol true. once I get a second car I can change bottom End to low comp. Have my ze pistons already

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Boosted - 2001 Tazz 4agte 16v- 165whp - First step;)
NA - Speed Shop = 137.4BHP AT 7500RPM and 147.3NM
2008 Polo TDi 9N3 74kw 240nm


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 Post subject: Re: Water injection for a n/a car
PostPosted: Thu Oct 10, 2013 11:50 am 
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 Post subject: Re: Water injection for a n/a car
PostPosted: Thu Oct 10, 2013 12:32 pm 
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2 Bar BOOST!
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Anything below 10:1 can be considered low compression in my eyes...

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 Post subject: Re: Water injection for a n/a car
PostPosted: Thu Oct 10, 2013 12:54 pm 
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2 Bar BOOST!
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Joined: Tue Mar 25, 2008 7:54 am
Posts: 8119
Location: Working on the project car...

_________________
I know that son-of-a-b!tch is cheating!..'cos i'm cheating and he beat me....
When people say "Oh you just want to have your cake and eat it too". Fucking right! What good is a cake if you can't eat it?- Billy Connolly

Daily ride!!
1999 Golf 4 1.6

ex Drag Car!!
2006 Yamaha YZF-R6 *sold*
1994 VW CTi 2.0 16vT 12.35s Killarney 2010
1992 VW Golf GTi 2.0 16vT *sold*
2005 VW Golf 2.0 TDi Sportline *sold*

build- viewtopic.php?f=9&t=8748


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 Post subject: Re: Water injection for a n/a car
PostPosted: Thu Oct 10, 2013 12:58 pm 
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0.5 bar boost
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Ya that boost control switch keeps asking for more twist

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Boosted - 2001 Tazz 4agte 16v- 165whp - First step;)
NA - Speed Shop = 137.4BHP AT 7500RPM and 147.3NM
2008 Polo TDi 9N3 74kw 240nm


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 Post subject: Re: Water injection for a n/a car
PostPosted: Fri Oct 11, 2013 10:47 am 
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2 Bar BOOST!
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Location: Cape Town - Mitchells Plain
I believe it's mind set.
Everyone told me lift is addictive, it's not really. I cruise around whole day without even bothering to hit lift.
Boost on the other hand, I can't say

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The novalty of having an oldskool engine will wear off when some punk kid smokes you in his Susuki Baleno with hairdryer,neons and roof wing And when you pull up at the next set of lights he'll suggest to race for headjobs, cause in his mind having to give or take... Its still a win-win


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 Post subject: Re: Water injection for a n/a car
PostPosted: Fri Oct 11, 2013 10:52 am 
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0.5 bar boost
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Boosted - 2001 Tazz 4agte 16v- 165whp - First step;)
NA - Speed Shop = 137.4BHP AT 7500RPM and 147.3NM
2008 Polo TDi 9N3 74kw 240nm


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 Post subject: Re: Water injection for a n/a car
PostPosted: Mon Oct 14, 2013 5:15 pm 
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2 Bar BOOST!
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Location: Durban
I do see benefits on meth injection on a N/A car.. providing its needed.. were the engine is Hi Comp.. but i have personally not tried it.. if u run higher cr on pump fuel were u run into detonation.. secondary stage injection with a separate pump and tank to inject meth. should cut down intake temps and detonation.. But if its normal compression were pump fuel works fine.. the cost justification to use meth is pointless..

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 Post subject: Re: Water injection for a n/a car
PostPosted: Mon Oct 14, 2013 7:05 pm 
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2 Bar BOOST!
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water would just puch up the compression ratio more, you don't get so much benefit from temp reduction. Methanol would lift the octane which would benefit greatly. A mixture of the two would have various mixed effects depending on the mixture.

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 Post subject: Re: Water injection for a n/a car
PostPosted: Mon Oct 14, 2013 10:04 pm 
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2 Bar BOOST!
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Joined: Wed Feb 09, 2011 4:50 pm
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Location: Die Hoewes, Centurion
I am on 0.5bar and I'm addicted. I WANT MORE!!!!!
Be carefull when the bug bites. It's a virus you struggle to get out of your system.
When your belly button starts pulling towards your back bone then you can't help but to want more.
You do almost shit yourself when it happens the first time and even more when you think about trying to get the car to stop again.
Fit big brakes first before you try the turbo thing.
0-100 is nice but without brakes 100-0 isn't fun when you see the car infront of you starts getting closer faster than you imagined it to be coming at you.

_________________
- Daily: 2007 Hyundai Getz CRDI Euro spec (81kw, 235NM)
- 1994 Nissan 1400, 4AGZE, SC12 Supercharger, 20v Black top flywheel, T51 gearbox, Spitronics Titan advance ECU, SpeedSpot 4 into 1 branch and 63mm exhaust, 120 wHP, 260 NM on 93 ulp (Uncorrected mechanical dyno).
- 1985 Golf 2 GTS with 2 liter ABF and Spitronics Titan advance.
- 2002 Honda CBR 600 F4i with Stealth exhaust pipe, DNA air filter.
- 1982 Leyland Mini 1275E.


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 Post subject: Re: Water injection for a n/a car
PostPosted: Tue Oct 15, 2013 7:13 am 
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0.5 bar boost
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Joined: Tue Sep 20, 2011 9:45 am
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_________________

Boosted - 2001 Tazz 4agte 16v- 165whp - First step;)
NA - Speed Shop = 137.4BHP AT 7500RPM and 147.3NM
2008 Polo TDi 9N3 74kw 240nm


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 Profile  
 
 
 
 Post subject: Re: Water injection for a n/a car
PostPosted: Tue Oct 15, 2013 9:28 am 
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2 Bar BOOST!

Joined: Fri Apr 11, 2008 8:08 am
Posts: 3353
Location: Cape Town
Get them fitted, it will be worth it.

Its just a 3mm spacer that you need made up & at least a 15" mag & that's it...why are you delaying it? Rims?

_________________
'89 RSi Twincam 16v - 4A-GTE Project - The Toy is a Toy! :twisted:
'06 Honda Accord 2.4 Type S - this is my Slow Family car
'07 Citi .:R - The Daily - EX - No Comment


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 Post subject: Re: Water injection for a n/a car
PostPosted: Tue Oct 15, 2013 9:58 am 
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0.5 bar boost
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Posts: 760
Not in a rush. Just fitted new pads in the front and want b to spend more bucks on the turbo side

_________________

Boosted - 2001 Tazz 4agte 16v- 165whp - First step;)
NA - Speed Shop = 137.4BHP AT 7500RPM and 147.3NM
2008 Polo TDi 9N3 74kw 240nm


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 Post subject: Re: Water injection for a n/a car
PostPosted: Tue Oct 15, 2013 10:49 am 
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2 Bar BOOST!
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Posts: 4358
Location: in 6th
Water injection for a n/a car : NO

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