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Fuel Rail dimensions

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Old May 23, 2011 | 05:19 PM
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Default Fuel Rail dimensions

I am building a fuel rail from an extruded aluminum blank and was wondering if anyone knows the exact distance between injectors. I was hoping to avoid tearing into the fuel system until all the holes are drilled. Thanks.
Old May 23, 2011 | 05:56 PM
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From memory, I am almost 100% sure that the injectors are spaced 91mm apart (1.8).

--Ferdi
Old May 23, 2011 | 05:56 PM
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Without measuring, it's probably the same as the bore spacing, which is.....?
Old May 23, 2011 | 10:53 PM
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Originally Posted by TurboTim
Without measuring, it's probably the same as the bore spacing, which is.....?
a great question. Anyone have a 1.8 fuel rail laying around that they could measure the distance from one edge of a bore to the same edge of the next bore? That would do it. And no... I'm not being lazy. I'm being efficient.
Old May 24, 2011 | 01:15 AM
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i have one i drew into sketchup, ill see if i can find it, mines made off the dimensions....


heres two i found on the laptop after i remembered to look, i have more on the desktop if you need a different pic....
Attached Thumbnails Fuel Rail dimensions-fuelrail9.jpg   Fuel Rail dimensions-fuelrail10.jpg  

Last edited by yunvmyegt; May 24, 2011 at 03:54 AM.
Old May 24, 2011 | 08:55 AM
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Now that I'm at work and remembered that I Faro'ed the '99 era BP head, the spacing between each injectors is 91mm. ftjandra was correct. I doubt the '94-'97 head was different.
Attached Thumbnails Fuel Rail dimensions-bp-injector-spacing.jpg  
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