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996 Turbo / GT2 Turbo discussion on previous model 2000-2005 Porsche 911 Twin Turbo and 911 GT2.

FINALLY!!!! K24 BILLET upgrade...

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  #46  
Old 04-19-2010 | 02:37 PM
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Originally Posted by 80shilling
Yes, just with the 24's. With even bigger turbos, I assume you would need injectors AND a 5 Bar to get enough fuel to feed your beasts. From what I have been told, injectors and a 5 bar is way too much fuel for the K24 18G/20G and this new Billet.

Cheers..

Depends an what size injectors. I have been running 58lb injectors and a 5bar for a very long time now.
 
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  #47  
Old 04-19-2010 | 02:39 PM
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Originally Posted by ttboost
Depends an what size injectors. I have been running 58lb injectors and a 5bar for a very long time now.
Yes.. That combo sounds good.. Because I am going 72 lb, I have been advised I don't need the 5 Bar as well..
 
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  #48  
Old 04-19-2010 | 11:01 PM
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Originally Posted by 80shilling
I'm doing 72 lb Bosch injectors.. All the Tuners I have talked to recommend injectors vs. 5 Bar (they had a LOOOOOONG explanations for why, but in essence it's a fuel pump/pressure issue that doesn't happen with injectors, but is a problem with the 5 Bar.).
Originally Posted by 2muchtime
Is this just with the 24's? I'm running both inj/5 bar with larger turbo's though? would be interested in a short version of the looong explanations?
Originally Posted by 80shilling
Yes, just with the 24's. With even bigger turbos, I assume you would need injectors AND a 5 Bar to get enough fuel to feed your beasts. From what I have been told, injectors and a 5 bar is way too much fuel for the K24 18G/20G and this new Billet.

Cheers..
Originally Posted by 80shilling
Yes.. That combo sounds good.. Because I am going 72 lb, I have been advised I don't need the 5 Bar as well..
I believe a recent conversation I had with Tony had him telling me he is now doing/recommending both the 72#ers and the 5 bar together with alpha 28 turbos and similar.
 
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  #49  
Old 04-20-2010 | 01:36 AM
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570 pump 640 race
 
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  #50  
Old 04-20-2010 | 02:43 AM
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oh yeah forgot to guess #s...

578 @ 1.2 bar 91 octane
631 @ 1.4 bar 100 octane
 
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  #51  
Old 04-20-2010 | 11:11 AM
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How many people are actually running just a 5 BAR with their K24/18g setup and tracking the car regularly? Dave at EPL told me that they would max out around 500 whp which is probably fine, but is it safe?
 
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  #52  
Old 04-20-2010 | 11:15 AM
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Originally Posted by drjoe
570 pump 640 race
Anywhere close to those figures would make me ecstatic....
 
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  #53  
Old 04-20-2010 | 11:27 AM
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Originally Posted by btapp
How many people are actually running just a 5 BAR with their K24/18g setup and tracking the car regularly? Dave at EPL told me that they would max out around 500 whp which is probably fine, but is it safe?
Technically... you need injectors with stock turbos if you push them hard enough.

Its just hard to sell a customer on something like that when others in the industry have been saying otherwise for a very long time...
 
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  #54  
Old 04-20-2010 | 11:28 AM
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I'll come in at $1!!! Oh wait I thought this was The Price is Right!

It should def. make some bad *** power that is for sure!
 
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  #55  
Old 04-20-2010 | 11:33 AM
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Is the design of these turbos going to be similar to the Billet 16's where they will only realy start to shine when running higher than what most would class as normal boost 1.3+ bar.
 
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  #56  
Old 04-20-2010 | 04:30 PM
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I think that bigger injectors just work better with the 5bar because it should help with good atomization and spray pattern due to the increased fuel pressure.
Maybe I'm wrong.
 
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  #57  
Old 04-20-2010 | 04:44 PM
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Originally Posted by emadelta86
I think that bigger injectors just work better with the 5bar because it should help with good atomization and spray pattern due to the increased fuel pressure.
Maybe I'm wrong.
Correct, but 3.8 bar is a fairly high start pressure.

We've used the 72lb injectors with both the 3.8 and 5 bars. In most cases the 3.8 is all you need.
 
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  #58  
Old 04-30-2010 | 10:48 AM
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Any updates?
 
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  #59  
Old 04-30-2010 | 12:16 PM
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Originally Posted by vr4henry
Any updates?
Nothing to report yet... About 2 weeks away from getting the Car into SCARGO to do the install...
 
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  #60  
Old 04-30-2010 | 12:31 PM
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Originally Posted by 80shilling
Nothing to report yet... About 2 weeks away from getting the Car into SCARGO to do the install...

curious, will you be staying with the 2.5 exhaust or upgrade to full 3"?
 
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