4 bar absolute on Subaru WRC car!!!

peter head · 08-23-2004, 06:01 PM

Interesting article was post on the the i-club thread - a very technical article on how Prodrive manages their WRC cars

Not sure how to make a hyperlink to www.i-club thread. Worth reading... If the link doesn't work, go to i-club and do a search on "water injection".

* Registered users of the site do not see these ads.

Jaxx · 08-23-2004, 10:31 PM

i-club.com/forums/showthread.php?t=69783

Thunder Lungs · 08-24-2004, 11:57 AM

Great link!

Thanks for the heads up, I would have never seen it, as I NEVER go to I-club

+1 karma for j00

mbiker97 · 08-24-2004, 02:00 PM

The article is AMAZING! Everyone needs to read it.

8Complex · 08-24-2004, 02:22 PM

Hmm... 10:1+ compression, up to 45psi of boost, 98 octane fuel, water injection... and narrower crank journal bearings.

These guys are nuts.

mbiker97 · 08-24-2004, 02:39 PM

and the 10 bar fuel pressure! What is this a freakin' diesel?!

happasaiyan · 08-24-2004, 02:44 PM

having to run 5* timing at 2000??? WOW. i cant imagine running that much boost at such a low rpm.

bboy · 08-24-2004, 03:30 PM

good god, you cannot link that site

peter head · 08-24-2004, 07:16 PM

Is there a problem putting up a direct clickable link to that site?

Hondaslayer · 08-24-2004, 07:19 PM

Quote:

Originally Posted by 8Complex

Hmm... 10:1+ compression, up to 45psi of boost, 98 octane fuel, water injection... and narrower crank journal bearings.

These guys are nuts.

Nick,

10:1 and 45 psi sounds like their Pikes Peak setup. (or any high elevation) That is not likely being used in sea level rallies.

Still sickening,

8Complex · 08-25-2004, 12:38 AM

Ben -

Nah, they only disclose that it is "over 10:1". It makes me tingle all over just thinking about it.

Direct link to article: http://64.119.173.9/forums/showthread.php?t=69783

lobelsteve · 08-25-2004, 03:56 AM

bespoke:

Main Entry: be·speak
Pronunciation: bi-'spEk
Function: transitive verb
Inflected Form(s): be·spoke /-'spOk/; be·spo·ken /-'spO-k&n/; -speak·ing
1 : to hire, engage, or claim beforehand
2 : to speak to especially with formality : ADDRESS
3 : REQUEST <bespeak a favor>
4 a : INDICATE, SIGNIFY <her performance bespeaks considerable practice> b : to show beforehand : FORETELL

If you read the article this makes sense.

peter head · 08-25-2004, 04:53 AM

Quote:

Originally Posted by 8Complex

Ben -

Nah, they only disclose that it is "over 10:1". It makes me tingle all over just thinking about it.

Direct link to article: http://64.119.173.9/forums/showthread.php?t=69783

I wonder if it is possible to run that engine without water injection. It also mentioned that WI may be banned next year.

bikerboy · 08-25-2004, 09:30 AM

Quote:

Originally Posted by peter head

I wonder if it is possible to run that engine without water injection. It also mentioned that WI may be banned next year.

As the article suggests they will just go back to dumping fuel to keep it cool.

M

8Complex · 08-25-2004, 10:03 AM

Yes, they run without WI at times. They went over that in the article.

Heh, I know it's a long article, but it's very good. Even managed to keep my ADD-inflected attention span.

They did, as bikerboy said, mention that they will go back to fuel dumping, but I think that environmental impacts might help in arguing to keep the WI systems, as they were saying in the article.

Simon Lines · 08-25-2004, 10:13 AM

Quote:

Originally Posted by 8Complex

Yes, they run without WI at times. They went over that in the article.

Heh, I know it's a long article, but it's very good. Even managed to keep my ADD-inflected attention span.

They did, as bikerboy said, mention that they will go back to fuel dumping, but I think that environmental impacts might help in arguing to keep the WI systems, as they were saying in the article.

Currently running without WI "takes the edge off"

As for fuel dumping, that was the writer of the article hypothesising.

Cheers

Simon

HOK · 08-25-2004, 10:26 AM

Awesome article, I'm going to pull a bitorrent post...

Thanks for sharing!

peter head · 08-25-2004, 03:49 PM

I gathered from the "waterinjection.info" Forum (Competition Specific section) that the possible reason for the banning is a cost cutting exercise. WI can not possibly be THAT costly? you can pick one up on the ebay for less than $299 and a progressive one at $399

08-23-2004, 06:01 PM	#1
peter head Scooby Newbie Member#: 27242 Join Date: Oct 2002	4 bar absolute on Subaru WRC car!!! Interesting article was post on the the i-club thread - a very technical article on how Prodrive manages their WRC cars Not sure how to make a hyperlink to www.i-club thread. Worth reading... If the link doesn't work, go to i-club and do a search on "water injection". * Registered users of the site do not see these ads.

08-24-2004, 03:30 PM	#8
bboy Scooby Specialist Member#: 56468 Join Date: Mar 2004 Chapter/Region: NWIC Location: Seattle, WA Vehicle: 04 Improved STI Dirty White	good god, you cannot link that site Last edited by bboy; 08-24-2004 at 03:40 PM.

08-25-2004, 03:49 PM	#18
peter head Scooby Newbie Member#: 27242 Join Date: Oct 2002	I gathered from the "waterinjection.info" Forum (Competition Specific section) that the possible reason for the banning is a cost cutting exercise. WI can not possibly be THAT costly? you can pick one up on the ebay for less than $299 and a progressive one at $399 Last edited by peter head; 08-26-2004 at 03:37 AM.

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08-23-2004, 10:31 PM	#2
Jaxx NASIOC Supporter Member#: 177 Join Date: Aug 1999 Chapter/Region: NWIC Location: Boise,Idaho,USA Vehicle: The 93 Imp W/EJ20K flat black	i-club.com/forums/showthread.php?t=69783

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Thunder Lungs Scooby Newbie Member#: 33677 Join Date: Mar 2003 Chapter/Region: MAIC Location: Oak Hill, WV Vehicle: 2003 WRX Sedan Sonic Yellow COBB Stage 2	Great link! Thanks for the heads up, I would have never seen it, as I NEVER go to I-club +1 karma for j00

08-24-2004, 02:00 PM	#4
mbiker97 Scooby Guru Member#: 7922 Join Date: Jun 2001 Chapter/Region: MWSOC Location: Tucson Vehicle: 04 CTS-V b/b/b 99 GMC Highrider	The article is AMAZING! Everyone needs to read it.

08-24-2004, 02:22 PM	#5
8Complex Moderator Member#: 922 Join Date: Feb 2000 Chapter/Region: MWSOC Location: Schaumburg, IL Vehicle: 04 FXT Red	Hmm... 10:1+ compression, up to 45psi of boost, 98 octane fuel, water injection... and narrower crank journal bearings. These guys are nuts.

08-24-2004, 02:39 PM	#6
mbiker97 Scooby Guru Member#: 7922 Join Date: Jun 2001 Chapter/Region: MWSOC Location: Tucson Vehicle: 04 CTS-V b/b/b 99 GMC Highrider	and the 10 bar fuel pressure! What is this a freakin' diesel?!

08-24-2004, 02:44 PM	#7
happasaiyan Scooby Specialist Member#: 37731 Join Date: Jun 2003 Chapter/Region: MWSOC Location: Rolling Meadows, IL Vehicle: '07 TL-S 6MT '07 RDX-T	having to run 5* timing at 2000??? WOW. i cant imagine running that much boost at such a low rpm.

08-24-2004, 07:16 PM	#9
peter head Scooby Newbie Member#: 27242 Join Date: Oct 2002	Is there a problem putting up a direct clickable link to that site?

08-25-2004, 12:38 AM	#11
8Complex Moderator Member#: 922 Join Date: Feb 2000 Chapter/Region: MWSOC Location: Schaumburg, IL Vehicle: 04 FXT Red	Ben - Nah, they only disclose that it is "over 10:1". It makes me tingle all over just thinking about it. Direct link to article: http://64.119.173.9/forums/showthread.php?t=69783

08-25-2004, 03:56 AM	#12
lobelsteve Scooby Specialist Member#: 31992 Join Date: Jan 2003 Chapter/Region: South East Location: Canton GA Vehicle: 2007 STI UGM	bespoke: Main Entry: be·speak Pronunciation: bi-'spEk Function: transitive verb Inflected Form(s): be·spoke /-'spOk/; be·spo·ken /-'spO-k&n/; -speak·ing 1 : to hire, engage, or claim beforehand 2 : to speak to especially with formality : ADDRESS 3 : REQUEST <bespeak a favor> 4 a : INDICATE, SIGNIFY <her performance bespeaks considerable practice> b : to show beforehand : FORETELL If you read the article this makes sense.

08-25-2004, 10:03 AM	#15
8Complex Moderator Member#: 922 Join Date: Feb 2000 Chapter/Region: MWSOC Location: Schaumburg, IL Vehicle: 04 FXT Red	Yes, they run without WI at times. They went over that in the article. Heh, I know it's a long article, but it's very good. Even managed to keep my ADD-inflected attention span. They did, as bikerboy said, mention that they will go back to fuel dumping, but I think that environmental impacts might help in arguing to keep the WI systems, as they were saying in the article.

08-25-2004, 10:26 AM	#17
HOK Scooby Specialist Member#: 447 Join Date: Oct 1999 Location: Oh Canada Vehicle: 1999 EJ22T222B&EVO Are we racing yet?	Awesome article, I'm going to pull a bitorrent post... Thanks for sharing!