Fuel Line from Tank to Engine Bay - What's Best Practice For Racing?

[rennch]

I plan on racing my 911 soon. I currently have plastic fuel line running from my CIS tank to the engine bay. I'll be switching to carbs soon, and would like to re-run some really solid fuel line in the process. What are the best practices for this? The shell is a 69, and I don't currently have a hard line in the car to the best of my knowledge.

Thanks!

[Tidybuoy]

I'm not sure what the best practice is but there is a guy on this forum "Boxter GT" that makes very nice polymide tunnel lines that are threaded at each end. These are lightweight and very durable and are used on all modern Porsches.

[JeremyD]

I went with solid stainless steel smooth bore tubing - front to back. My car sees a fair amount of track duty Lines are (McMaster-Carr)
2 Each 89895K27 Type 304 SS Smooth-Bore Seamless Tubing 3/8" OD, .305" ID, .035" Wall, 6'Length

Len Cumming supplied the M16 x 1.5 fittings for 3/8" pipe. Many use 3/8 and 5/16 for the return. I elected to use the same size for both.

Originally Posted by JeremyD

One is in - this is how the line looks going in




pain in the neck - but probably the best alternative to the nylon lines that were in there. I also put some regular fuel line over to make sure there was no rattling (although I can not imagine - they are a snug fit.


The flaring tool is - Ridgid 83037 45° SAE Ratcheting Flare Tool for 1/8 - 3/4" Tubing (458R)

You have to get this model to flare SS lines -

[rennch]

Originally Posted by Tidybuoy

I'm not sure what the best practice is but there is a guy on this forum "Boxter GT" that makes very nice polymide tunnel lines that are threaded at each end. These are lightweight and very durable and are used on all modern Porsches.

Hey Vern (Of course I had to go there...)

I searched for that username (Boxter GT and Boxster GT) to no avail. EDIT: Found him. Username is "BoxsterGT", all one word.

michael

[JeremyD]

Len at Autosportengineering dot com

Len Cumming - (BoxsterGT)

[Tidybuoy]

Originally Posted by emptyo

Hey Vern (Of course I had to go there...)

Definitely not the first time.....know what I mean?

[Trackrash]

Stainless braided from Earl's?