fuel line question

I was doing the fuel line upgrade like they did on project 11.99, and I ordered a new sending unit for the 65 mustang. It came with a 3/8 pipe. I was going to cut it out like they did the 5/16 one on the get in line write up, but I thought maybe I didn't need to since it was a 3/8. I've already run all the 1/2, and -8an stuff, and want to know if I can use the sending unit like it is, or do I need to put a 1/2 tube in it. My engine is making over 500 HP, so I know that come into play. I was going to upgrade to the fuel cell later anyway, just wondering if I can use this for the time being. I just don't want my fuel pump to cavitate, i'm using the aeromotive electric pump.

did you read the tech article ?
[addsig]

If the engine actually needs the 1/2" line to not starve for fuel, the 3/8" line at the tank is going to be a restriction, but I would think that it would be ok.

Really i'm just trying to get by until I can get the fuel safe fuel cell from mustangs unlimited. I just don't want to use the money on that right now, when I got so much other stuff I need to get to get the engine running. I'm not going to be givin' it hell right off the bat, so I think I will be okay for now.

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On 2005-05-15 19:51, smokey212 wrote:
I was doing the fuel line upgrade like they did on project 11.99, and I ordered a new sending unit for the 65 mustang. It came with a 3/8 pipe. I was going to cut it out like they did the 5/16 one on the get in line write up, but I thought maybe I didn't need to since it was a 3/8. I've already run all the 1/2, and -8an stuff, and want to know if I can use the sending unit like it is, or do I need to put a 1/2 tube in it. My engine is making over 500 HP, so I know that come into play. I was going to upgrade to the fuel cell later anyway, just wondering if I can use this for the time being. I just don't want my fuel pump to cavitate, i'm using the aeromotive electric pump.
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Smokey,

Where did you order the fuel sending unit that came has 3/8" pipe? What namebrand? Such an item would save me some work.
[addsig]

With 500hp+ you need to switch to 1/2" lines to get the full potential of your motor.
[addsig]