Drivetrain (Cooper S) MINI Cooper S (R53) intakes, exhausts, pulleys, headers, throttle bodies, and any other modifications to the Cooper S drivetrain.

Drivetrain Installing Fuel Injectors

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Old Aug 21, 2007 | 03:38 PM
  #1  
gvoelker's Avatar
gvoelker
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Installing Fuel Injectors

Any specifics I need to know about before I go and tackle this task?

Thanks
 
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Old Aug 21, 2007 | 03:46 PM
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From: The Swamp
Check THIS thread out.
 
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Old Aug 21, 2007 | 04:30 PM
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From: Cumming, GA
Originally Posted by gvoelker
Any specifics I need to know about before I go and tackle this task?

Thanks
Could you tell us why you need to change injectors?
 
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Old Aug 21, 2007 | 06:04 PM
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From: Carmel Valley Village, CA
Originally Posted by hornguys
Could you tell us why you need to change injectors?
big pulley/custom tune=new injectors (most of the time)

My hint is to not drive your car very much before install. Use the shreader valve on the drivers side of the fuel rail to bleed pressure out of the system before taking off the fuel rail. when installing be sure to use new o-rings, and have fun! DIY is cool and should be fun. take your time and do it right the first time.

personally I love my 400's and it made a world of difference with my 19% pulley setup.
 
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Old Aug 21, 2007 | 06:20 PM
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From: Cumming, GA
Been there and done that with 19% and 400cc injectors.

Originally Posted by gvoelker
Any specifics I need to know about before I go and tackle this task?

Thanks
Still interested in why you think you need different injectors
 
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Old May 29, 2013 | 05:03 PM
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Originally Posted by hornguys
Been there and done that with 19% and 400cc injectors.



Still interested in why you think you need different injectors

how was your experience with that setup?
i am currently running a 17% and a 2% about to put in 450cc injectors.
do you have any numbers you remember, or +/- opinions about it?
 
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Old May 29, 2013 | 06:43 PM
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To the original poster your setup with 380cc should be fine, if you have plans to put in a hotter cam or a ported head then you should go with bigger injectors. There is a nice do it yourself swap out with pics on this forum. Do be aware that any injectors above your 380cc will need to be tuned.
 
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Old May 29, 2013 | 07:39 PM
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big pulley/custom tune=new injectors (most of the time)
Small pulley
 
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Old May 30, 2013 | 04:00 AM
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i have a set of 380cc i reallyyy need to sell. they have only 8k miles on them. i bought them for $350, went out and bought new o-rings, and then came to realize, the 380's arent quite enough for what i have, so i bought 450's and havent even used the 380's. im going to put the 450's in this weekend right before i get dyno tuned by jan at helix. somebody should buy those 380's and help fund my 10 hour round drive to PA and back
 
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