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

Size of OEM 996TT Fuel Injectors?

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Old Sep 13, 2009 | 11:01 PM
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Size of OEM 996TT Fuel Injectors?

Does anyone know what the CC is for the stock injectors? I am thinking of using them in another project car. Thanks
 
Old Sep 14, 2009 | 02:47 PM
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I guess stock are 410-430cc
 
Old Sep 15, 2009 | 02:34 AM
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How much HP can these 410cc inj. support ? Normaly a inj. support 1 hp for each cc but that seems kind low for these cars.
 
Old Sep 15, 2009 | 07:55 AM
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Originally Posted by gt2rs
How much HP can these 410cc inj. support ? Normaly a inj. support 1 hp for each cc but that seems kind low for these cars.

This is correct...Im not sure people realize that from a textbook tuning prospective, they are out of injector as soon as they chip their cars.
 
Old Sep 15, 2009 | 08:51 AM
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Originally Posted by Tony@epl
This is correct...Im not sure people realize that from a textbook tuning prospective, they are out of injector as soon as they chip their cars.
Tony, I was under the impression that larger injectors (and/or 5 Bar FPR) would not be beneficial until larger turbos (is K24/18G) came into the mix? Is this not the case? Can you get a better tune (ie more hp/tq) on a Stage 2 flash with larger injectors?

~Ken
 
Old Sep 15, 2009 | 12:40 PM
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I've seen references to 440cc, 430cc, and 419cc, but flow rate specification from Bosch's website is: 310.1 g/min at 3 bar.

///Michael
 
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