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Custom Fuel Lines

Hi Guys

I recently purchased a 88 Porsche 930 Targa. I have only had the car a week.
I have been detailing the exterior, interior, and have turned my attention to the engine bay. I was shock to discover the rubber fuel lines. The PO did a hack job on the fuel lines going to the fuel distributor. It looks like the line has a split in it.
Please see the attached picture.

I was wondering if anyone has custom built this fuel line, using AN fittings, tees,
and steel braided lines? Is so what size lines and fittings? Would a 6 AN line be the correct size? I have read that I would need a Metric Female to AN male connector. I would like to get this fixed correctly so that I don't have to worry about any fires.

Any help would be appreciated.

Thanks in advance.

Regards

John


Old 07-09-2012, 06:42 PM
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I am also

I am having Johnny the Delorean parts guy in forney Texas do my line right now. He redid some of my fuel lines for my CIS system on my 74. Did a nice job.
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Old 07-09-2012, 07:10 PM
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What was cost roughly if you don't mind me asking?
Old 07-09-2012, 07:27 PM
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He got a metal braided fuel line made for me using the stock hardware for 20 bucks. I had him make a couple of CIS lines for me a couple of months ago for 30. So I have been happy.
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1974 Porsche 911 (2003 - 2012)
2000 Boxster S (2006 - 2008)
Old 07-10-2012, 02:26 PM
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This is an example of what I custom make for the Carrera 3.2.......






If you give me the dimensions, etc I can make a hose assy for your 930 to your specifications. I use only the latest Multi-fuel hose from Germany with the correct Metric fittings. It is available in plain rubber, Braided Zinc and braided Stainless Steel.

Len at Autosportengineering dot com

Old 08-13-2012, 07:06 AM
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Porsche 930 Fuel Lines

I had Len MFG a fuel line from my rear pump to the accumulator, did a great job, looked factory, great customer service.
Old 08-13-2012, 09:34 AM
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That looks like the CIS fuel return line. It's returning fuel to the tank so there isn't alot of presure in it.
It would be a good idea to have new fuel injection line installed on it with crimped on connectors instead of hose clamps.

Stainless braided hose hides the surface condition of the rubber line underneath, thats why braided lines should have an expiration date stamped on a metal tag on them so you know when they're old and should be replaced or they will dryrot under the metal braiding and eventually leak.
You see the dated stainless steel expiration tags on aeroquip lines professionally installed on aircraft and some race cars.
Nowadays kevlar or other aramid fiber braided lines are often used because of good abrasion resitance and strength with lighter weight.

Quote:
Originally Posted by jpilcher View Post
Hi Guys

I recently purchased a 88 Porsche 930 Targa. I have only had the car a week.
I have been detailing the exterior, interior, and have turned my attention to the engine bay. I was shock to discover the rubber fuel lines. The PO did a hack job on the fuel lines going to the fuel distributor. It looks like the line has a split in it.
Please see the attached picture.

I was wondering if anyone has custom built this fuel line, using AN fittings, tees,
and steel braided lines? Is so what size lines and fittings? Would a 6 AN line be the correct size? I have read that I would need a Metric Female to AN male connector. I would like to get this fixed correctly so that I don't have to worry about any fires.

Any help would be appreciated.

Thanks in advance.

Regards

John

Old 08-14-2012, 07:14 AM
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This appears to be PN 930-110-304-03 and it apparently is available thru our host for $120. Anyone have a photo of this hose assy out on a workbench?

What I really need is a 930 here in the shop to identify the routing around the various obstacles and to get the orientation correct.

If this is hard to get from Porsche or our host then its one more I will build a fixture for and add to my inventory.

Len

Old 08-15-2012, 02:31 PM
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He got a metal braided fuel line made for me using the stock hardware for 20 bucks.
Old 08-15-2012, 05:36 PM
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IF the QUALITY is there, can't beat them for 20~30 bucks...
Old 08-16-2012, 04:11 AM
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Len is one of the truly honorable men left. Great work, fair prices, always
willing to help, and a wealth on knowledge.


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Old 08-16-2012, 07:28 PM
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We have a 88 930 that just came in, so I took some measurements of this hose assy and began a basic mock-up of what I will offer as a replacement. This is in plain rubber hose..............




It has a 120 deg fitting at the bottom of the accumulator, a Banjo fitting at the Fuel Dist and a Female fitting just off the Tee.

Will test fit this and post my results. I am pretty sure this will require a fixture so all the lengths & clocking of the fittings is correct.

Len

Old 08-17-2012, 11:18 AM
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Hi John,

Its been a while since we spoke. Did you get your fuel hose/line issue resolved?

Len

Old 02-02-2013, 04:05 AM
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Hi Len

I'm about 3 weeks from dropping my motor. I would like to go with the stock setup as shown in permalink #12.
I also need to get a price on the supply and return lines from the gas tank.

Thanks for keeping in touch.

Regards

John
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Last edited by jpilcher; 02-03-2013 at 06:19 PM..
Old 02-03-2013, 06:16 PM
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Reviving an old thread in the hope that Len will see it. Len, I tried sending you a PM but your box is full. Looking for a quote on a set of hoses for an efi conversion I'm doing to my `80 930, utilizing a 3.2 intake.
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Old 08-13-2014, 10:45 AM
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Norm-

Len is adamant in every post to never ever PM him (he prob keeps his inbox full for that reason?).

I've seen him post his email publically here, so I'll share it instead of PM:

len dot Cummings at Verizon dot net

as you've heard / read, Len is very much quite the helpful gent to work with
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Old 08-13-2014, 11:55 AM
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Thanks, Paul, I'll shoot him an email.

nk
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Old 08-13-2014, 12:52 PM
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Hi John,
I understand you are going to or have gone to EFI on your turbo. I wonder how its going?
Do you have a post on it we can read about?
Len

Old 10-31-2014, 04:32 PM
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Quote:
Originally Posted by BoxsterGT View Post


This is an example of what I custom make for the Carrera 3.2.......




If you give me the dimensions, etc I can make a hose assy for your 930 to your specifications. I use only the latest Multi-fuel hose from Germany with the correct Metric fittings. It is available in plain rubber, Braided Zinc and braided Stainless Steel.

Len at Autosportengineering dot com


Len,

I have lines from an SC boxed and ready to ship for a re-fit using braided zinc.
Sent you an email earlier in the week. Waiting on a reply from you with a "ship to" address.. .

Thx,

Paul

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Last edited by onboost; 11-01-2014 at 05:03 AM..
Old 11-01-2014, 05:00 AM
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