Fuel lines

[Becko]

Hi all, looking to replace my fuel lines on my Sc. She’s a1978 model and would like to replace the lines going down the interior tunnel, tank to back. There is a lot of docs on a Len Cummings. Have tried his email but sends back. Would appreciate anyone knowing this address to please post. Appreciated

[rowingone]

That job is not easy . . so . . make sure you need to do this before you take it on. I replaced mine and in the end it was not needed and a huge pain!

[porschedude996]

Originally Posted by Becko

Hi all, looking to replace my fuel lines on my Sc. She’s a1978 model and would like to replace the lines going down the interior tunnel, tank to back. There is a lot of docs on a Len Cummings. Have tried his email but sends back. Would appreciate anyone knowing this address to please post. Appreciated

I replaced mine during my survivor restoration. Read original paint.

I used OEM lines and it wasn’t too bad. Don’t forget the sealing grommets, two each end. It helps with the engine out, but not necessary. You can either pull using your old line or pull a wire through using the old line.

Len does sell lines that I think add a junction between the poly line running in the tunnel that exits at the forward end of the tunnel and adds a short line to connect to the fuel pump and return line to the tank. Using his setup, he sells an adapter to connect the new line, same end that would end up at the forward end of the tunnel, that allows you to pull the old line from the front and the new line connects to the engine end of your ould line using the adapter.

I made my own adapter and pulled front to back. I went that direction because of Porsche’s line has the crimped rubber line on the front end and a plain straight connection at the rear end of poly section. I think I cut off the rubber lind and wired the old to the new and taped the junction to smooth the junction to ease the pulling through the tunnel.

One last thought, the OEM lines are as expensive as Len’s, last time he emailed me. I shopped around and came up with a ransom price…

[BoxsterGT]

Becko-

Found this post and thought I would help.

Here are a few Tips from those of us who have done this task....

TIPS-

The Polyamide Lines are flexible enough to be quite easy to pull through, although a HELPER is essential for ease of installation.

It will help if you lay them out in the hot sun for a few hours to straighten them out before installing.

I have a M14 Female Coupler that aids in pulling in these Tunnel lines. This is included at N/C and makes for a much easier install, saving a great deal of mechanics time.

You must support the Trans and remove the Trans Mount so you have access to the Rear Hardline connections to the Tunnel Lines.

It is important to use Flare Wrenches (17 & 19) of good quality where necessary during this work.

The Grommets are first. Flat bladed screwdriver, push them into the tunnel and pull them out with a flashlight & long nose pliers.

Inside the Tunnel bend back the metal tabs at each end.

The replacement tunnel line must be rotated to attach to the original using the female coupler at the rear.

You can then pull the old Line out at the front while your assistant (important you have one) is guiding the new in at the rear.

To help in sliding the line through use some electrical tape over the coupler to make a smooth connection and eliminate snags.

To keep out dirt tape over the open fittings w electrical tape, especially with the rear hoses if installing them.

Once ready to connect, put a little “Anti-Sieze” paste on the threads. Only a little, and only on the threads. This will help with future needs.

The rule of thumb for tightness is…snug plus a little. The fitting design is very secure.

Once in place, do not bend back the metal tabs until the hoses are installed and flow tested. This way you have some movement back & forth to get the front hoses in place.

The grommets are next. Use the same screwdriver and some rubbing alcohol or lube oil to push the grommets in place.

Last is to bend back the metal tabs so the lines are secure.

Also check out this Heidi and Franny fuel line replacement video. You might see something that will help.

https://youtu.be/Ov5WgnuHffE

You may reach us by email: len.cummings @ verizon.net but WITHOUT the spaces.

Please, NO pms as we cannot send photos by pm.

Hope this helps.

Len & Susan Cummings

[3rd_gear_Ted]

If your a DIY guy;
Fragola Italian Metric Fittings & Hose allowed me to fab my own stainless steel braided hoses.

[EricA]

Thank you, Len. Sent you email for 1984 911 I need fuel lines for. Thanks in advance.

[BoxsterGT]

EricA-

Have not seen your email Eric. Did you remove the spaces in my address?

Len

[EricA]

tried again with “.” PM box full but I think the email should go through now.

[OsoMoore]

I got lines for my '79 a few years back from Len. Great lines, took a bit of work to get them installed. The post office clerk gave me some weird looks but it was all good.