P1SC max boost???
Thread Starter
Safety Car
Joined: Oct 2001
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From: Dallas/Valley Ranch TEXAS!!!
P1SC max boost???
What is the true max boost a P1 is reliable for??? Trying to see if I should convert to a D1, or if my P1 is fine for up to XX lbs. of boost...
T.I.A.
Jeremy
T.I.A.
Jeremy
Le Mans Master
Joined: Feb 2002
Posts: 5,970
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From: San Marcos Texas
peter pan is making 742rwhp with a P1sc at 14psi of boost on a 346ci. And that was only at 6000rpm where they stoped the dyno runs at. It would have made more. He didn't want to run it any higher to keep it reliable...
Drifting
Joined: Dec 2002
Posts: 1,472
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From: Reynoldsburg oh
Originally Posted by chriswtx
peter pan is making 742rwhp with a P1sc at 14psi of boost on a 346ci. And that was only at 6000rpm where they stoped the dyno runs at. It would have made more. He didn't want to run it any higher to keep it reliable...
Drifting
Joined: May 2004
Posts: 1,904
Likes: 2
From: London(UK)/Troyes(France)
Originally Posted by chriswtx
peter pan is making 742rwhp with a P1sc at 14psi of boost on a 346ci. And that was only at 6000rpm where they stoped the dyno runs at. It would have made more. He didn't want to run it any higher to keep it reliable...
Peter pan is running a D1SC, not a P1
The highest I have seen on a P1 was 711 RWHP and don't know about the boost
Le Mans Master
Joined: Feb 2002
Posts: 5,970
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From: San Marcos Texas
Originally Posted by torchvette10
Hi Chris,
Peter pan is running a D1SC, not a P1
The highest I have seen on a P1 was 711 RWHP and don't know about the boost
Peter pan is running a D1SC, not a P1
The highest I have seen on a P1 was 711 RWHP and don't know about the boost
Opps, yor right. He's got the D1sc...
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Le Mans Master
Joined: Jun 2004
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From: The Arid Sunny Desert
Originally Posted by chriswtx
peter pan is making 742rwhp with a P1sc at 14psi of boost on a 346ci. And that was only at 6000rpm where they stoped the dyno runs at. It would have made more. He didn't want to run it any higher to keep it reliable...
Burning Brakes
Joined: Sep 2002
Posts: 1,117
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From: Cedar Falls Iowa
Originally Posted by Pewtavert
Man if those numbers were on a stock bottom end he would have the world record. What's the RWHP figure before forging becomes necessary?
See this thread:
http://forums.corvetteforum.com/show....php?t=1440477
Le Mans Master
Joined: Feb 2002
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From: San Marcos Texas
Originally Posted by Pewtavert
Man if those numbers were on a stock bottom end he would have the world record. What's the RWHP figure before forging becomes necessary?
No forged bottom and D1sc not the P1sc..
Le Mans Master
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From: The Arid Sunny Desert
Originally Posted by chriswtx
No forged bottom and D1sc not the P1sc..
Wow, unreal. I do believe that the LS6 has a stronger bottom end than my LS1 so I'm probably looking at a maximum of 500 RWHP for my application.....but I'll take it......for now.
Drifting
Joined: May 2004
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From: London(UK)/Troyes(France)
Originally Posted by Pewtavert
Wow, unreal. I do believe that the LS6 has a stronger bottom end than my LS1 so I'm probably looking at a maximum of 500 RWHP for my application.....but I'll take it......for now.Also the LS6 stock is running a higher compression ration than the LS1. So it is a little bit less boost friendly than the LS1.
Burning Brakes
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From: Johnston, Iowa
Supporting Tuner
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From: ================== Houston, Texas www.englandgreen.com ================== Necessary Evil™ __________
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Originally Posted by Pewtavert
Wow, unreal. I do believe that the LS6 has a stronger bottom end than my LS1 so I'm probably looking at a maximum of 500 RWHP for my application.....but I'll take it......for now.
Le Mans Master
Joined: Jun 2004
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From: The Arid Sunny Desert
Originally Posted by EnglandGreen
As a FYI - from 2000 onwards, the LS1 & LS6 bottom end were the same. I know your have a '99.
I've read a few posts which state that the LS1 takes to the boosting real well since the compression isn't as high as in the LS6. Would this even out the playing field somewhat?
Life Time NCM #2196
Joined: Sep 2004
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From: Converse TX
Originally Posted by Mr.Big
Just curious about reeal world numbers, the factory specs never tell the truth... Thanks for the help guys...
Jeremy
Jeremy
If you have a C6 with a forged bottom end then you can turn the wick higher that is for sure. I kept my little ole 346 to 14lbs and shut her down at 6200. If I see the need to up the boost my first step is to raise the rev limiter to about 6800 and see what I get. On my DS1C I use a 3.85 pulley to hit my 14lbs. So if you are forged there is no reason that you can not turn the wick up so you can see 14+ lbs and again I would install a meth kit for some added protection.
Good luck with your quest for more HP
Burning Brakes
Joined: Feb 2004
Posts: 1,069
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From: Sanford NC
I have a 4.10 pulley on my cammed and headerd 02 Z06. My P1 made 10psi at 6,700 and 632rwhp with a below 10:1afr and 14.5* of timing. So I would guess it would make about 12-13psi with the 3.85 pulley I have waiting to go on. I would just start to worry about IAT's at that point though. I don't have meth yet either so right now I run a restrictor plate. I think in the future I am going to find the limit of this head unit though.
There is another guy making 10psi and 675rwhp on a 383 with a P1.
Brett
There is another guy making 10psi and 675rwhp on a 383 with a P1.
Brett
