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How do I connect Speed Inc Fuel rails to hard fuel line?

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Old 05-07-2005, 06:57 AM
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Default How do I connect Speed Inc Fuel rails to hard fuel line?

I'm installing mine now, as it stands now, I can't see how to connect it unless I was shorted some fittings. All I have left in my install kit is some hose clamps.

Does anyone know of an AN fitting that will go on the braided steel line and then connect to the cars hardline?
Old 05-07-2005, 07:14 AM
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Russell makes a fitting that you can put on your hardline to convert it over from 3/8 quick release to AN-6 lines.
Old 05-07-2005, 07:27 AM
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really, I'll see if I can find one on jegs or something.
Old 05-07-2005, 07:30 AM
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I think I found it!

3/8 hose barb to 6AN

Old 05-07-2005, 07:39 AM
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well, now I'm not sure, I compared it to the stock fuel rail, and the fitting on the end is a bit different. Can anyone confirm if that pic is the right piece?
Old 05-07-2005, 07:41 AM
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How in the heck did this thread get into the forced induction section???

Mods, please help and move this to the fuel injection thread, thanks!
Old 05-07-2005, 08:16 AM
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I think this is what you are looking for...

Old 05-07-2005, 08:22 AM
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Nah they are not the correct parts I am talking about. It slips on to the quick release and then the AN-6 screws on to it. Let me go look for the part number I've got them on my conversion project.

FUEL RAIL TO -6AN Part # 640860 Summit says they are on back order till 6/1/05 if that is anything like when I ordered mine you should get it around Labor Day. Russell is slow as hell making them. Holley said they would be releasing their Earl's brand in June.

www.performanceplumbing.com sells the same fittings. In the Sept 2004 copy of GM High Tech they show them on page 54 bottom right.

Last edited by I1ULUZ; 05-07-2005 at 08:35 AM.
Old 05-07-2005, 10:07 AM
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um, wow...I can't have my car down until 6/1....I'll take a closer look at what Hell Raiser posted.
Old 05-07-2005, 10:11 AM
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Originally Posted by HellRaiser
I think this is what you are looking for...

Hellraiser, I don't understand what you posted at all???

Does the red piece snap into the stock fuel line or something?
Old 05-07-2005, 10:12 AM
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That part I posted is just for a 3/8 hard line. You would need a -6 male to say a -8 male and then put a -8 hose end on that with your SS line going to the rail fitting. or a a -6 male to a -8 hose end if they make that?
Old 05-07-2005, 10:21 AM
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That piece will connect to a 3/8 hard line. The red part goes onto the line and the blue end is a -6 female.

a -6 to -8 male fitting goes between those 2 and then you could run a -8 hose off of that.
Old 05-07-2005, 10:41 AM
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Here is what they look like on a LT1 intake, but that part number will work on the fuel line of a LSx.
Attached Thumbnails How do I connect Speed Inc Fuel rails to hard fuel line?-fittings.jpg  
Old 05-07-2005, 11:45 AM
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awesome, makes sense now! Now let's see if I can find someone with it instock. Don't suppose you can recommend a source?

I'll search the web in the meantime.
Old 05-07-2005, 11:47 AM
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LOL

I went to www.earls.com, and they are friggin in Australia!
Old 05-07-2005, 11:51 AM
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found AJ USA, and they're open today! Cali though
Old 05-07-2005, 11:58 AM
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sweet, Jegs has 33 instock!
Old 05-07-2005, 12:01 PM
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Damn I'm an idiot, that's not gonna work either LOL

I'm not trying to go from a 3/8 pipe to an AN8

I'm trying to find something that goes into the stock hard fuel line, my stock fuel rail is gone now.

Guess I'll keep digging.
Old 05-07-2005, 12:46 PM
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Have you tried Summit? I dunno how far into Michigan you are, but they're in Northern Ohio and they have a major internet presence.

www.summitracing.com
Old 05-07-2005, 11:29 PM
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Put the Russell fitting on the hard line by the driver fenderwell where the stock hose went and then run a AN-6 line to the new rails. Nothing hard you might want to pick up a 90* NPT to AN adaptor to clean up the install and then run a crossover in the back. Find a hydrodlic shop and they should have the NPT/AN fitting.



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