2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

upgrading fuel sys. need some help

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Old Jan 9, 2006 | 01:05 PM
  #1  
EuroTrader's Avatar
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upgrading fuel sys. need some help

I currently have an 87 T2 with some mods(see sig). I need to upgrade the fuel system due to the previous owner not getting to that yet when he sold me the car. Will the following two parts work on my car? Will I have to get anything else to upgrade the fuel sys? Do I replace the stock seconday injectors with the 720cc injectors I want to get or to I use them as additional injectors? Do i need to get RTEK or anything like that for my plan to work?


FUEL PUMP
http://www.nolimitmotorsport.com/Mer...Category_Code=

INJECTORS
http://www.nolimitmotorsport.com/Mer...Category_Code=

Last edited by EuroTrader; Jan 9, 2006 at 01:14 PM.
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Old Jan 9, 2006 | 01:13 PM
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The fuel pump is fine, but the injectors I do not believe are drop in. You may need to modify your fuel rail, and get some resistors. If you go to Marren's web site, they sell drop in 720's without any mods needed.

Considering you are not runing cats, I would upgrade the above, and add fuel mgmt to it. The rtek is a good start.

There are some threads going on right now talking about this.
Chris
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Old Jan 9, 2006 | 01:18 PM
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^^^thanks, what is the web address to Marren's and where can I get RTEK
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Old Jan 9, 2006 | 01:31 PM
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www.pocketlogger.com sells the Rtek 1.7 chip, which is desgined to work with 720cc secondary injectors.
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Old Jan 9, 2006 | 01:55 PM
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^^^thanks where can I get direct fit 720cc injectors, and do I replace the stock secondary injectors or am I suppose to use them as additional injectors?
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Old Jan 9, 2006 | 02:05 PM
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Aaron Cake's Avatar
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Those injectors should fit the stock fuel rail just fine.
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Old Jan 9, 2006 | 03:31 PM
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www.injector.com

Marrens website
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Old Jan 9, 2006 | 03:34 PM
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cheaper source for fuel pump

http://cgi.ebay.com/ebaymotors/WALBR...spagenameZWDVW

also marrens are great. ive got a set of 1680s.
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Old Jan 9, 2006 | 06:45 PM
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I will get some 750cc injectores from here, but wich ones shold I get the

72 lb/hr (750 cc/min) Low Impedance American Low rect.
or
72 lb/hr (750 cc/min) Pro Import Low Impedance Japanese Low rect.


and will they be a direct fit or do I need anything to make them fit? What kind of AFC should I get, I have no idea what is ideal for rx7's?

here is the link

http://www.injector.com/fuelinjectors.php
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