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Top 2GNT Technical Turbo/Nitrous Tech topic #107193
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datdude_enzoSep-18-09 04:32 PM
Member since Mar 21st 2009
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#107193, "Question"




          

i have a 63 trim t3t4 turboo what size injectors should i have or upgrade to. i have a eclipse 420a turbo fuel pump etc ...the works.
any suggestions?

  
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SilvrEclipsSep-19-09 08:51 AM
Member since Nov 27th 2007
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#107195, "RE: Question"
In response to Reply # 0

          

What are you planning on using to control fuel?

98 Eclipse GS Turbo
Built motor - MS2 - Holset hy35 - Zoom Stg 4 Clutch - 57.5mm TB - ARP Headstuds - Turbonetics wastegate - 3" Turbo back - FMIC - Greddy RZ BOV - Walbro 255 - 650cc Injectors - Fidanza Flywheel - Cobra calipers w/ 13" Rotors - Oil Cooler - DevilsOwn meth injection

1981 Chevy Scottsdale
1987 Nissan 300zx - Chump Car
2001 BMW 325i

  
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Flipboi89Sep-19-09 12:20 PM
Member since Oct 07th 2007
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#107196, "RE: Question"
In response to Reply # 1



          

Whats your hp goal first. Searched about fuel upgrade?

http://www.2gnt.com/index.php?d=How%20to%20Choose%20Fuel%20Injectors



Car Status: P0140 o2 circuit number bank 1 sensor 2 Cel. Ill fix it tomorow lol.

Estimated mileage on engine: 15,xxx

  
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Moderatorcs82685Sep-19-09 07:43 PM
Donating 2GNT member
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#107197, "RE: Question"
In response to Reply # 0



          

Originally posted by datdude_enzo
i have a 63 trim t3t4 turboo what size injectors should i have or upgrade to. i have a eclipse 420a turbo fuel pump etc ...the works. any suggestions?


any more info on your setup? Do you have a wideband/egt/any type of A/F gauge? I'd bet you're running lean with that fuel pump at low boost on stock injectors. (I tried to use a turbo fuel pump with stock injectors and a 12:1 fmu and it was not cutting it at all, way too lean)

How much boost are you planning to run? We're going to need more info to help you out here. Stock injectors should be fine up to about 7psi (I was leaning out a bit to much for comfort with a 50trim at 8psi based on my egts). Anything after that you're going to need larger injectors and a way to control them. What is your current fuel setup besides 'turbo fuel pump' Do you have an sfmu? FMU? Have you gone more advanced with MSnS or portfueler?


I contributed to the Wiki!
EVO IX - just a really expensive boost gauge and a K&N air filter
96 Eclipse RS -awaiting registration and inspection
95 Eclipse GS - parts car
Mods/Profile - http://www.2gnt.com/index.php?d=cs82685

  
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