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injector swap question

Old Apr 26, 2008 | 05:16 PM
  #1  
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From: Durham,NC
injector swap question

Im currently running a 550/750 combo in my s4 T2, its on stock turbo, stock motor/ rtek 2.1

are secondary and primary injectors the same? say i wanted to go BNR stg. 3 and got some 1000cc sec's, could i move my 750 to prim?
my 550's are bad
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Old Apr 26, 2008 | 05:52 PM
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From: Kicking down doors in a neighborhood near you
they will physically fit but if you install a larger 750cc injector in the spot with the ECU programmed to open it for the same amount of time that the 550cc injector was opening for, it could change your air fuel ratio.
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Old Apr 26, 2008 | 05:56 PM
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From: Durham,NC
ya i have an Rtek, it will get tuned appropriately
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