HOW TO DO AN ADVANCED SEARCH.

Mon Jul 08, 2013 3:56 pm by Admin


For the benefit of 944Hybrids users there are two search functions available for you to use.
The purpose of this sticky is to explain the "Advanced Search" function because it is much more powerful and is the best choice when researching information.

When you log on to the site a list of options is shown in a line at the top of the page. One option is labelled "Search", use this option (NOT the search box lower down on the right).

After you click on the upper search option, a drop down box appears. At the bottom of this box is a radio button marked "Advanced …

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Compression Fittings for fuel lines?

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Compression Fittings for fuel lines?

Post  superman22x on Sun Mar 20, 2016 6:43 pm

Has everyone used 3/8" compression fittings on the stock 10mm Porsche hardlines? I'm working on figuring out the simplest way to install the corvette fuel filter in the stock location.

Thanks!

superman22x

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Re: Compression Fittings for fuel lines?

Post  sharkey on Sun Mar 20, 2016 7:02 pm

i have, its a pain in the ass. gotta figure out a way to open the ferrule up a bit, i ended up reaming it with a drill bit, then using some emery cloth on the steel line. i managed to get it to work, but id recommend you find a 10mm compression fitting.

another option might be to flare the steel line with a 3/8 flare tool. the line is so close im sure it would work.

sharkey

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Re: Compression Fittings for fuel lines?

Post  Techno Duck on Sun Mar 20, 2016 7:08 pm

Do you have a Parker or hydraulic supply place near by? I would just order the correct 10mm tube to -6AN fitting. The 3/8 ferrule probably wont slide over the tubing.

Try MotionIndustries.com also

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Fittings

Post  hickmaster2001 on Sun Mar 20, 2016 7:52 pm

Lindsey racing sells the 10mm and 8mm to AN -6 fittings

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I set mine up like this:

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Its hard to see but I used a 12mm banjo to AN -6 on the pump outlet. I used the compression fittings on the stock porsche feed/return lines. Done deal. I managed to route everything so I could utilize the stock Porsche hanger and all.

hickmaster2001

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Re: Compression Fittings for fuel lines?

Post  superman22x on Mon Mar 21, 2016 8:17 am

Ended up finding a pair of Swagelok 10mm to Female NPT.  Now I just need to get the fuel pump out to swap the banjo bolt on there.

I also found McMaster-Carr sells 10mm Yor-lok to female NPT as well. $15/fitting though... Quality pieces. I think Mcmaster uses Parker fittings.

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Re: Compression Fittings for fuel lines?

Post  erioshi on Mon Mar 21, 2016 12:32 pm

I did something q bit different. I picked up a Dorman kit for doing nylon fuel lines & used that with the GM OE style quick connects on the corvette filter. The 3/8 nylon line was close enough in size to be able to use with the OE 10 mm Porsche hard lines and slip-on connectors.

In essence:

OE Porsche hard line --> OE Porsche line end (from the old rubber fuel line) --> Dorman 3/8 Nylon line --> Dorman OE GM style quick connector --> Corvette Fuel filter --> Dorman OE GM style quick connector --> Dorman 3/8 nylon line --> OE Porsche line end (from old rubber fuel line) --> OE Porsche hard line

The return line was done essentially the same way.

A bit low-budget and not very flashy, but it has worked very well, at least so far.
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Re: Compression Fittings for fuel lines?

Post  hutchjc1 on Wed Mar 23, 2016 8:52 am

This is soon on my list, so 10 mm for the larger line, does a 5/16 fitting work for the smaller of the 2 lines, I believe it's the feed line with the larger line being the return ? It looks like the metric equivalent (8mm) is about as close as you can get as it should be with in a few thousandths.
5/16 =.312 and 8 MM is .314, should slip right on.

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Re: Compression Fittings for fuel lines?

Post  erioshi on Thu Mar 24, 2016 3:08 pm

It's been a while, but that sounds about right. I was able to run both using the Dorman lines connected to the OE Porsche fittings.

Buying the fitting kit was nice because it came with the tool for pushing the nylon line onto the ends. It did take a few practice attempts to get a feel for how to get the nylon line to seat completely. I also found a tiny bit of grease on the fitting helped to allow the line to fully seat. I figured the grease would be dissolved by gasoline if there was any seepage past the friction points. So far the system has been completely leak free, and there has been no slip or movement of any of the lines on the fittings. That friction fit is incredibly tight.
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Re: Compression Fittings for fuel lines?

Post  sharkey on Thu Mar 24, 2016 11:37 pm

5/16 does work on the 8mm line, they are practically the same diameter.

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Re: Compression Fittings for fuel lines?

Post  hutchjc1 on Mon Mar 28, 2016 6:51 am

I was able to put the 3/8 fitting in the lathe and open it up to 10 mm, that and a quick clean up of the lines with some 220 to remove the burr from the cutter and it is installed.

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Re: Compression Fittings for fuel lines?

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