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> Bending Brake lines, for fuel line use
yarin
post Feb 9 2006, 11:14 AM
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I bought 3/8" and 5/16" (2 each 60" and 40") brake lines to use for replacing my plastic fuel lines. I'm following the pelican fuel line replacement how to. However i'd rather not use a 90 deg bend and increase the # of fitting in the system.

Can I just bend the brake lines using proper tooling? The auto part store sells one for around $30. With this significantly reduce the flow? Has anyone here followed the pelican how to? Is the 60" line long enough to feed through the tunnel and leave 2-3" at the firewall side for this 90 deg bend?

Thanks
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zymurgist
post Feb 9 2006, 02:13 PM
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QUOTE (yarin @ Feb 9 2006, 01:40 PM)

The fuel pump has 1 3/8" (9mm) connection and 2 5/16" (7mm) connections correct? The stock fuel railes are 5/16 (7mm) right?

Someone correct me if i'm wrong but fuel pressure is not the only correct indicator of fuel supply. If you increase the diameter of your fuel line the keep your pressure the same the volume flowed will increase significantly.

Approx how much power is the stock fuel pump and 5/16" (7mm) fuel line at the engine side good for?

In the tunnel there are manual clamps to hold the lines in place, so i hear. I haven't started the job yet.

I found a nice inexpensive tubing bender.

I don't know how well the fuel situation is for Babydoll... I can't get the car to start, but that's because it has 3 bad injectors. Based on articles I have read on the net, I figured that 5/16" would be sufficient for a stock motor, even with a 90 degree bend.

More on the fuel system layout... the fuel pump was relocated to the front (by a previous owner), above the pan where the steering is. The pump has three 5/16" nipples, and the fuel tank has one 3/8" and one 5/16" nipple. I used a VW fuel filter with one 3/8" nipple and one 5/16" nipple to connect the tank to the fuel pump. So all of the lines I'm dealing with between the pump and the engine are 5/16".

I did all this with the engine out.
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