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  #531  
Old 09-06-2018, 08:38 PM
RICE RACING RICE RACING is online now
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Talking Re: Injecting prior to turbo comp' impellers

This just in from my customer with RRWEP140 water injected 4cyl Volvo, power ~1000bhp

"Hi Mate,

First track test today. First run 309 kph @ 2,2 bar boost and second run 324 kph @ 2,6 bar boost and fastest speed for cars.. I think 340 is reachable with this set up.

No engine problems this time and WI rocked... Couple of engine damages occured, one 5 cyl Audi and brand new Ford Focus RS. No happy faces from those guys but no WI either..😋 Below video from first run.

https://youtu.be/ZjCg1O2Tobc
"
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  #532  
Old 10-02-2019, 05:22 PM
redvictor redvictor is offline
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Default Re: Injecting prior to turbo comp' impellers

It's been a while! I didn't even remember posting in this thread 14 years ago! I'm still messing around with turbo set ups, although they have grown a little since the early days. I re read this whole thread through to familiarise myself with findings and data from the past. Unfortunately for me there is nothing to compare to what we are trying to achieve.
I'd like to ask a couple of things from the technical guys here. I worked out that my total CFM capability of the engine/turbo combination is 5803cfm. This is an 8.6ltr V8 with twin 102mm turbos and based on 85% VE.
The system i'm using is a home brewed boost pressurised bottle with a 3 way switched by the ECU solenoid. The reasoning for this is keep it simple to find out how good it works first. 62psi of boost is the current level we are at.
This is being done for one reason. IAT's are 380f on meth with no intercooler. There is no room for the latter, so we figured this would be cheap and quick method to test.
The nozzles are aquamist 1.2mm check valve ones (440cc/min @ 60psi) mounted 1 inch from the compressor wheel. This was figured by holding the nozzle in my hand at 60psi, and "measuring" the cone. That distance makes the cone the approximate size of the inlet (102mm).

Obviously all of this is guesswork,and our R+D will tell us if it works or not. As helpful as Richard L is he can't tell us what we need to use as he has no data to back it up.We have plenty of sensors to know if our set up works or not.
It would be interesting to know if the nozzles we have now will be in the 2 to 3 % range, or will we be pissing in the wind...
Any tech guys left on this thread?
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Last edited by redvictor; 10-02-2019 at 05:35 PM.
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  #533  
Old 10-02-2019, 05:31 PM
redvictor redvictor is offline
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Default Re: Injecting prior to turbo comp' impellers

https://www.facebook.com/andy.frost....1781689836778/

Video of the aquamist nozzle we plan on using. Not sure anyone will be able to see this video but let's give it a shot.
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Andy Frost,driver of Europe's quickest and fastest street legal car
0-60mph,1.0secs,
0-203mph 4.08 secs
0-251mph 6.02 secs

Last edited by redvictor; 10-02-2019 at 05:35 PM.
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  #534  
Old 13-02-2019, 09:43 AM
Richard L Richard L is offline
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Default Re: Injecting prior to turbo comp' impellers

I cannot see it as I do not have face book. Can you post it to youtube?
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  #535  
Old 13-02-2019, 10:14 PM
redvictor redvictor is offline
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Default Re: Injecting prior to turbo comp' impellers

Try this Richard. https://www.youtube.com/watch?v=vgRd...ature=youtu.be
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0-60mph,1.0secs,
0-203mph 4.08 secs
0-251mph 6.02 secs
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  #536  
Old 13-02-2019, 10:24 PM
redvictor redvictor is offline
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Default Re: Injecting prior to turbo comp' impellers

Nozzle set up on the Precision 102mm turbos. Obviously this is just the one turbo.
http://www.aquamist.co.uk/forum2/vbu...1&d=1550092986
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File Type: jpg waterinjection005.jpg (67.1 KB, 16 views)
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Andy Frost,driver of Europe's quickest and fastest street legal car
0-60mph,1.0secs,
0-203mph 4.08 secs
0-251mph 6.02 secs

Last edited by redvictor; 13-02-2019 at 11:34 PM.
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  #537  
Old 11-09-2019, 09:18 PM
mrx79 mrx79 is offline
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Default Re: Injecting prior to turbo comp' impellers

Interesting idea to mount the nozzle.
Does anyone know if the atomization of an 1,2mm nozzle will be acceptable (for pre-turbo injection) between 20-30psi of pressure?

especially if compared against a nozzle with external air supply?

But if the atomization will be acceptable, it would make piping simpler.
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