LT1-LT4 Modifications 1993-97 Gen II Small Block V8

braided lines for 1993 rails?

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Old Oct 23, 2009 | 10:04 PM
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Default braided lines for 1993 rails?

I need some help with a plan for braided lines on my 1993 lt1. I dont have the crossover tube towards the front of the intake, and cant remember how the crossover is setup on the back for 1993. I want to keep the rails looking stock as possable towards the front, i just want the ugly plastic lines gone.
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Old Oct 23, 2009 | 10:43 PM
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you can have the lines tapped for 6AN feeds in the back. Run a 8AN from the tank to a y-block that splits into two 6's and connect those to the two 6an's in the back of the rail. In the front you don't have many choices if keeping stock rails.... I've seen people drill holes in the top of the rail and tap the hole for 6AN fittings..... run those to a regulator and then back to the tank.....

there's a few pictures of a setup similar on brady mcnew's page at www.teamprickracing.com..... look at his twin turbo LT1.....

here you go. i went there and pulled up a pic..


Last edited by OutlawZ; Oct 23, 2009 at 10:49 PM.
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Old Oct 24, 2009 | 06:43 AM
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why not just run braided lines, and cut the ends of the stock rail at the quick connects, put tube nuts with the requisite flare and then bolt on your braided line using normal AN fittings......Basically cut the quick connect off and replace the connection that will allow it to work straight with a -6 or -8 line. I'd thing that would be easier than going through the above.....JMO....
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Old Oct 25, 2009 | 03:38 PM
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I want them to be less noticable......Is there a way to attach an fittings directly to a cut off hardline? If so, i would just off the lines where they bend around the back of the rail and go from there, so i could bring the lines up where they wont be seen.
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Old Oct 25, 2009 | 09:23 PM
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I saw a write-up on how to relocate the stock lines out of sight. Sounds more like what you want. Try a search for it
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Old Oct 26, 2009 | 06:46 AM
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Originally Posted by 93TAJ.C.
I want them to be less noticable......Is there a way to attach an fittings directly to a cut off hardline? If so, i would just off the lines where they bend around the back of the rail and go from there, so i could bring the lines up where they wont be seen.
yes you can, they are called tube nuts and sleeves.

You gut the hard line, put the nut, then the sleeve and then flare to 37* and you can then put any an fitting of the correct size up to it and run braided line. The expensive part is the flaring tool. Car craft just had one priced at like $120. Since the feed is 3/8" line, that converts to -8 and the return is -6 IIRC. It is all very doable, and IMO looks really nice if you do it correctly and it will allow you to use the stock rail and FPR if you so choose.

Last edited by duh; Oct 26, 2009 at 06:47 AM. Reason: my spelling sucks at 7am....
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Old Oct 27, 2009 | 10:33 PM
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Finally! thank you so much! Thats exactlywhat iv been looking for!
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Old Oct 27, 2009 | 10:37 PM
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well the part says that the lines do not need to be flared so that even better
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Old Oct 28, 2009 | 12:23 PM
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Don't be fooled, you do need to flare the line or you won't have a seal. I made the mistake of buying it and then realized I couldn't use them without the flaring tool....and I double checked they got the Rigid one for $102 and change. Expensive, but I like doing the hard line look like Dutewieler on his turbo engines.....
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Old Oct 31, 2009 | 02:13 AM
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you do? But it says it eliminates the need to flare the line. Has anyone used these without flaring the lines?
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Old Oct 31, 2009 | 08:26 AM
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Someone was selling a beautiful set over on speeddensity.org earlier this year.
I wish I could find the pics.
Had braided AN-6 fittings on the back side of each rail.
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Old Oct 31, 2009 | 05:14 PM
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The benefit is it's a single flare, not a double flare. Normal brake lines and fittings etc. use a double, you flare it out and then fold it over on itself. The AN is only a single flare, which just bends it out. They work pretty well, and seal forever, but yeah you do need to flare it.....
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Old Oct 31, 2009 | 07:51 PM
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Originally Posted by James Montigny
Someone was selling a beautiful set over on speeddensity.org earlier this year.
I wish I could find the pics.
Had braided AN-6 fittings on the back side of each rail.

That was Matt's set up, posted as Whitey
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Old Oct 31, 2009 | 08:03 PM
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It says for aluminum tube, can you use it on steel like factory fuel line?
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Old Oct 31, 2009 | 11:22 PM
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Originally Posted by duh
The benefit is it's a single flare, not a double flare. Normal brake lines and fittings etc. use a double, you flare it out and then fold it over on itself. The AN is only a single flare, which just bends it out. They work pretty well, and seal forever, but yeah you do need to flare it.....
Well i do know what the difference between the two is, im just trying to understand how the fittings work. Are they supposed to do a single flare when the nut is tightened and pushes the line up between the nut and an fitting?
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Old Nov 1, 2009 | 12:16 AM
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http://www.holley.com/165106ERL.asp
http://www.holley.com/165156ERL.asp

here are links to 5/16 and 3/8 an to hard line adapters that require no flaring what so ever they are based off the good old fashion compression fitting
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Old Nov 1, 2009 | 05:23 AM
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Thanks, that should work!
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Old Nov 1, 2009 | 05:37 PM
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Originally Posted by camaroz28383
http://www.holley.com/165106ERL.asp
http://www.holley.com/165156ERL.asp

here are links to 5/16 and 3/8 an to hard line adapters that require no flaring what so ever they are based off the good old fashion compression fitting
These are the compression style, which do not need the flare. The ones I posted you slide the nut on, the sleeve, then flare it and when you tighten the nut it compresses the sleeve against the flare and seals it. Personally I like those better than the compression style, only since I never have any luck with those style......something always messes up.....
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