Old 08-01-2012, 01:08 PM
  #6  
wedge07
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Join Date: Jan 2010
Location: Cheshire
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The 3i pump is not good enough for rst engine as i found out on my car. I upgraded from efi tank to rst mfi pump n tank to run with my efi rst setup. Do xr3i mfi pumps sit externally if so u should just be able to change pump.