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Boost with 11.5:1 compression setup

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Old Jun 16, 2009 | 08:36 PM
  #51  
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Originally Posted by S2K_2003,Jun 16 2009, 04:54 PM
I went 11.5:1 cause I got an awesome deal on the JE pistons. I will def be running water/meth injection.

I believe someone on here was running close to 12.0:1 on 13lbs
Good to hear. Yeah that water/meth will save your butt and allow you to do things you otherwise would have complications with. Its like magic sauce, you can even clean the bugs off your windshield with it
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Old Jan 13, 2010 | 07:28 PM
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Okay guys I have been out of touch for awhile, I joined the NAVY and have. been so busy ever since. But I got some money saved up now to boost my S.So what Setup should I go with on 11.50:1 compression? I am going to be using water/meth injection for sure. Any suggestions??
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Old Jan 13, 2010 | 08:29 PM
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Depends on what your risk vs reward level is and of course how much money you can spend. Overall a centrifugal SC is kinder to your engine and cost less. It has different power characteristics then a turbo so what you want your power curve to look like will be a consideration also.
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Old Jan 14, 2010 | 09:55 AM
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Originally Posted by S2K_2003,Jan 13 2010, 08:28 PM
Okay guys I have been out of touch for awhile, I joined the NAVY and have. been so busy ever since. But I got some money saved up now to boost my S.So what Setup should I go with on 11.50:1 compression? I am going to be using water/meth injection for sure. Any suggestions??
kinda off topic, but what is your rate? curious what rate gives you the healthy sign on bonus for the boost.
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Old Jan 14, 2010 | 02:10 PM
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I'm 500+ with aem water meth injection with boost cooler boost juice on 17.8 psi stock motor stock compression 100k on my motor water meth is where it's at. Turbo > supercharger. I used to have a sc
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Old Jan 14, 2010 | 04:33 PM
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Originally Posted by freshs2k,Jan 14 2010, 03:10 PM
I'm 500+ with aem water meth injection with boost cooler boost juice on 17.8 psi stock motor stock compression 100k on my motor water meth is where it's at. Turbo > supercharger. I used to have a sc
Whats the water/meth ration on the boost juice and where/how can it be purchased? I currently use PEAK washer fluid and spike it with HEET. I have played with different ratios and found on my set up I like it heavier on the meth side. Its a bit expensive obviously with my concoction, but it is easy and available everywhere.
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Old Jan 14, 2010 | 05:43 PM
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Summit racing is where I get mine. it's mixed in a controlled enviroment 51/49 water/meth it cost 40 bucks for 4 gallons. But it's real good stuff no messing with mixtures it's pour and ready to go. Stuff works great. I'm using the 550cc nozzle with the aem water meth kit. I was gonna go the peak route but read that the blue dye was clogging up the screens getting in other parts of the system causing them to fail not sure if that's true but I have heard people make up to 100 hp with the boost juice when the timing is advanced. My afrs are 11.7-12.0 and on the dyno my intake manifold was cool to the touch after hours of tuning.
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Old Jan 14, 2010 | 07:52 PM
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Originally Posted by freshs2k,Jan 14 2010, 06:43 PM
Summit racing is where I get mine. it's mixed in a controlled enviroment 51/49 water/meth it cost 40 bucks for 4 gallons. But it's real good stuff no messing with mixtures it's pour and ready to go. Stuff works great. I'm using the 550cc nozzle with the aem water meth kit. I was gonna go the peak route but read that the blue dye was clogging up the screens getting in other parts of the system causing them to fail not sure if that's true but I have heard people make up to 100 hp with the boost juice when the timing is advanced. My afrs are 11.7-12.0 and on the dyno my intake manifold was cool to the touch after hours of tuning.
I see, thanks for the info, didn't realize it could be ordered through Summit or shipped for that matter. Yes I have he same concerns with the PEAK although I have been using it for some time with no issues either. I like to run more meth then water though so the dye is diluted a bit. I run aprox 80/20 meth/water these days. I also run the 550 nozzle. I use this primarily as a detonation suppressant and 2ndary fueling source then for cooling since I am running stock injectors and timing map at 9/10psi. Works pretty good for cheating
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Old Jan 14, 2010 | 08:36 PM
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Originally Posted by s2000Junky,Jun 16 2009, 03:22 PM
You can only boost a roots so much. Around 330whp seems to be the average I see.
Camuman is is over that number by a good amount.

Hoping to see 400 out of his new setup

Originally Posted by tof,Jun 4 2009, 12:14 PM
Avoiding detonation is a balancing act among timing, air/fuel ratio, boost level and compression ratio. And you have to manage all that at all different engine speeds and loads.

Don't forget EGTs also
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Old Jan 15, 2010 | 04:12 AM
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S2000junky You can get it through summit but It's ground shipping only. I read somewhere that you can buy raw meth but it was only in certain cities if you were local to them. My buddy said he knew some people running full meth and turning the boost up. I'm not ture sure about this route but what are your iat's with a 80/20 mix?
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