[Diy_efi] Re: diy_efi Digest, Vol 12, Issue 5

[Paul Shaw]

The id in the fuel rail is 10.4 mm


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Today's Topics:

   1. RE: Fuel Rail Boss ID for small o-ring Inj.
      (silvershad0w at netzero.net)
   2. Fuel Line pressure drop calculations (Hugh Keir)


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Message: 1
Date: Tue, 7 Sep 2004 22:37:31 GMT
From: "silvershad0w at netzero.net" <silvershad0w at netzero.net>
Subject: RE: [Diy_efi] Fuel Rail Boss ID for small o-ring Inj.
To: diy_efi at diy-efi.org
Message-ID: <20040907.153738.12675.568634 at webmail13.nyc.untd.com>
Content-Type: text/plain


Thanks for the info on the specific injector 1370, good to hear they have the GM style connector.  The website I posted not only had the wrong picture, but stated the injectors as high impedance also... I hope they got the flow rate right (550cc at 80%) or else I'll be wasting a couple hundrded bucks on injectors if they are too small.  I haven't been able to find any other source on that particular part # to verify the advertised flow rate.

If you can get back to me with the fuel rail ID, either on or off list that would be great.  Another guy just posted on msefi just a few hours ago asking about the diameter of small o-ring Nissan injectors he bought off ebay, looks like I'm not the only one seeking this info.  I will forward the measurement to him if and when I receive it from you.  I'm sure this will help several people with prototyping/choosing injectors, etc.

Thanks,
John C.

-----Original Message-----
From: Rod Hiorns [mailto:R.E.Hiorns at IEE.org] 
Sent: 06 September, 2004 18:08
To: silvershad0w at netzero.net
Subject: RE: [Diy_efi] Fuel Rail Boss ID for small o-ring Inj.


Hi John,
The 2010 is the oval connector and high impedance. If you can drive peak and hold injectors use the 1370; it's the square type (like GM) and low-impedance. I have a rail I can measure for the O-ring mating bore. You can find the oval connector on some Mazdas (189/1990 2nd Gen "NC" RX-7, MX-5/Miata). Either of these or a domestic injector can be fitted with O-rings on the manifold side that are not square - it's just a low pressure seal and thermal insulation. HTH Rod




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Message: 2
Date: Wed, 8 Sep 2004 14:31:42 +0100
From: "Hugh Keir" <hugh at sol.co.uk>
Subject: [Diy_efi] Fuel Line pressure drop calculations
To: "A list for Do-It-Yourself EFI" <diy_efi at diy-efi.org>
Message-ID: <00ee01c495a9$70eb58a0$98ebb094 at hugh>
Content-Type: text/plain;	charset="Windows-1252"

Hi Guy's

I am fitting some new fuel lines to my car on a custom fuel set-up and have
been looking for some simple method of calculating the pressure drop I will
get with different diameters / lengths of pipe at different flow rates.

Does anyone have a link or can post up the right calculations.

Thanks

Hugh

PS good to see there was some real life in the list again, a couple of weeks
ago.


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End of diy_efi Digest, Vol 12, Issue 5
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