Braided Fuel Lines
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Joined: Mar 2002
Posts: 292
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From: S.C.
Car: 1990 Formula
Engine: 383 Stroker
Braided Fuel Lines
I am preparing to install my Holley 300-66 intake manifold. I cannot find a source to purchase the braided fuel lines and fittings that I am going to need. The 'general' parts shops (NAPA, AutoZone) look at me like I'm crazy. The only real speed shop around here only deals with ricers. They don't know anything about fuel lines except the ones that come packaged with NOS kits. Any Suggestions. Also, if anybody has exact part numbers, I would be greatly in your debt. Thanks in advance.
Supreme Member
Joined: Dec 2001
Posts: 1,418
Likes: 1
From: Morris, IL
Car: '91 t-top RS; '91 hrdtp Z28
Engine: LO3;383tpi
Transmission: 700r4;very nice 700r4
Axle/Gears: 4.10 zt posi, 3.70 auburn
I ordered mine from Summit. The part numbers are:
-6 to 14mm-1.5..........#991954
-6 to 16mm-1.5..........#991955
you need two of each of these.
Then just ask the sales rep for the braided fuel line, 6 ft runs about $24. You will also need a total of 4 hose ends to -6. the part number is #1002/610020. It get's pretty pricey, about $70 for the line and connectors to simply go from the rubber lines to the TBI. It's worth it though, and makes life much easier. Good Luck
-6 to 14mm-1.5..........#991954
-6 to 16mm-1.5..........#991955
you need two of each of these.
Then just ask the sales rep for the braided fuel line, 6 ft runs about $24. You will also need a total of 4 hose ends to -6. the part number is #1002/610020. It get's pretty pricey, about $70 for the line and connectors to simply go from the rubber lines to the TBI. It's worth it though, and makes life much easier. Good Luck
Supreme Member
Joined: Dec 2001
Posts: 1,418
Likes: 1
From: Morris, IL
Car: '91 t-top RS; '91 hrdtp Z28
Engine: LO3;383tpi
Transmission: 700r4;very nice 700r4
Axle/Gears: 4.10 zt posi, 3.70 auburn
Not to disagree with a moderator, but braided fuel line makes life much easier when installing that intake manifold, since it moves the whole TBI foward about an inch. It is not "needed", but you'll end up bending the stock lines like crazy to get it to work, even if you connect them to the TBI before you install the TBI on the manifold. Go with the braided fuel line, and you'll be thankful.
Senior Member
Joined: Oct 1999
Posts: 6,621
Likes: 2
Car: 91 Red Sled
Axle/Gears: 10bolt Richmond 3.73 Torsen
I too think braided is a waste. Pressure never gets over 25psi, not even over 18 on a stock setup so what's the point? Holley uses barb fittings and rubber line on their pro-jection systems and it only makes sence that they do. The time for braided line is high fuel pressures and/or long distances through the engine bay. It looks good but not cheap. More of an appearance than performance.
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Supreme Member
Joined: Dec 2001
Posts: 1,418
Likes: 1
From: Morris, IL
Car: '91 t-top RS; '91 hrdtp Z28
Engine: LO3;383tpi
Transmission: 700r4;very nice 700r4
Axle/Gears: 4.10 zt posi, 3.70 auburn
The reason for the braided fuel line is for flexibility reasons, not performance. If the intake manifold simply moved the TBI up, hieghtwise, then you could get away with the stock line. But it moves the TBI FOWARD too. Yeah, I made the stock lines work, after a good fight, but definetely did not feel compfortable with the way they were. The reason not to use plain 'ol rubber hose is because some tracks won't go for it if it is longer than 12". The reason not to leave it stock is simply because it is not a good idea to be trying to bend the stock fuel line as it is, and given the fact it is at least 11 years old means that it's not in the best condition-I know mine wasn't.
Member
Joined: Feb 2002
Posts: 147
Likes: 0
From: Buffalo, New York
Car: 88 Camaro
Engine: 305TBI
Transmission: Stock
Axle/Gears: 3.42?
Just my 2 cents.
You may be able to use the factory fuel lines from a Chev/ GMC pickup truck. My truck an '88 K2500 has braided stainless steel lines right from GM.
They run from the fuel filter and the hard lines. (just past the drivers seat on a truck) to the TBI. They look nice and have the correct connectors on them for the TBI, filter, and hard line. They also have the bracket wich attatches to the fire walll in the correct location.
They are about 95 bucks at the dealer(cheaper on line?) the part no is 15567762
You may be able to use the factory fuel lines from a Chev/ GMC pickup truck. My truck an '88 K2500 has braided stainless steel lines right from GM.
They run from the fuel filter and the hard lines. (just past the drivers seat on a truck) to the TBI. They look nice and have the correct connectors on them for the TBI, filter, and hard line. They also have the bracket wich attatches to the fire walll in the correct location.
They are about 95 bucks at the dealer(cheaper on line?) the part no is 15567762
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Awesome write up! 



