Orielys  rents a double flair tool for free.  I used one on my brake lines

Don -- Thanks.  I'll give O'Reilly's a shot first.

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You should be otay on the carb for now, but you may find that you can bump the jets up a couple of numbers once you get everything dialed in. Headers free up the exhaust side, and can lean out the fuel mixture at times. Keep an eye on your sparkle plugs for a while, and make sure they're not running bright white. If they are, then go up a couple of notches on the jets(like, from #76s to 78s).
You might also find that you need to adjust the idle mixture screws a little, to get a decent idle with the headers...


btw...you can buy the steel line from the fuel pump to the carb for aboot $20 or less...pre-bent...no-muss-no-fuss! I opted to do that rather than fight with bending one myself on the '74...I'm lazy, don't-cha-know? Adams' Apple2008-11-17 20:40:38

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Joel Adams
C3VR Lifetime Member #56    
My Link


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"Money can't buy happiness -- but somehow it's more comforting to cry in a CORVETTE than in a Kia"

The pre bent is the way to go, so much easier to fit into place.

I'm all for easy!  Can you provide a source for the correct line? 

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One more alibi. 

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Is this what you're looking for?   http://www.ecklers.com/product.asp?pf_id=A1762&dept_id=1818

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Check if one of the Suporting Vendors......like Larry (Corvette Specialties) or Rik's can get for you at a better price than Eckler's. 

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[QUOTE=sundevil74]One more alibi.  [/QUOTE] All you need to do is cut the preformed line, removing the space needed for your filter, add a flare nut to each end and use the flaring tool to reflare. I don't know if you've ever used a flare block. If you haven't just practice on some old tubing...it's not hard to do.

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The '71 LS5 used a Qjet carb, so the line shown will not fit.  Since you apparently already have modifications, I would try to find the use of an air/fuel meter and recheck your mixtures at part throttle, wide open throttle, and idle.  Joel is right that headers quite often lean out the mixture.

Larry
VetteSpecialties2008-11-18 08:56:54

The fuel line above is fer a small block anyway...

                             Click for link
This one is for a big block, but as Larry states above, it is for a Quadrapuke carb. Depending on the inlet location of the Holley, it might fit with a little bending, but you'll have to cut any line you get for the in-line filter...

...unless...perhaps the fuel line(s) for a tri-power would work?

It's starting to sound like a big hassle...might just as well cut/bend your own...which is what you were gonna do to start with!

If you decide to rent/borrow a flaring tool, get one that does a double flare...meaning it "folds" the outer(cut) part of the line back into itself, leaving a nice, smooth end for the hose to fit onto.Adams' Apple2008-11-18 11:25:28

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Joel Adams
C3VR Lifetime Member #56    
My Link


(click for Texas-sized view!)             NCRS

"Money can't buy happiness -- but somehow it's more comforting to cry in a CORVETTE than in a Kia"