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e p slick's Avatar
 
Join Date: Mar 2004
Location: Tucson
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Making new WUR and Distributer Fuel lines

I cannot find a source for fresh WUR and distributer fuel lines for my 1979 930Anyone have link to source or knowledge per making new lines. I have made a lot of AN braided stainless lines over the years but never the factory type on the WUR.
Appreciate any info. Thanks - EPS - TUCSON
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AMG V8 SL55 Mercedes, 993 C2, 86' Carrera 3.6 hot rod, Purple 1998 993 that didn't make the cut, 3 very old 930s, A/Fuel Dragster CH3NO2 (R.I.P.), Blown Alcohol TAD, AA/AA, 360 Maxim wingless, Cummins Turbo Diesel. Amateur Welder, Painter and sculptor sort of. -

Last edited by e p slick; 03-13-2008 at 04:22 PM.. Reason: error
Old 03-13-2008, 04:18 PM
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one of the great unwashed
 
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Join Date: Apr 2004
Location: Ringwood, NJ
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EP:
Do a search in the technical forum, there are some really informative threads there. I was going to make some out of nylon tubing. What I learned is that the nylon tubing (nylon vs that hard as a rock plastic) will expand against the pressure in the lines, and affects the injectors, so it screws up the injector pulses. If I find the link, I'll post it.

Where are you in Tucson...east side?

Pat
U of A, '88
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Old 03-13-2008, 04:35 PM
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In Tucson

Up in the foothills.
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AMG V8 SL55 Mercedes, 993 C2, 86' Carrera 3.6 hot rod, Purple 1998 993 that didn't make the cut, 3 very old 930s, A/Fuel Dragster CH3NO2 (R.I.P.), Blown Alcohol TAD, AA/AA, 360 Maxim wingless, Cummins Turbo Diesel. Amateur Welder, Painter and sculptor sort of. -
Old 03-13-2008, 06:11 PM
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Acceleration Junkie
 
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Quote:
Originally Posted by e p slick View Post
I cannot find a source for fresh WUR and distributer fuel lines for my 1979 930Anyone have link to source or knowledge per making new lines. I have made a lot of AN braided stainless lines over the years but never the factory type on the WUR.
Appreciate any info. Thanks - EPS - TUCSON
I had (4) new teflon core, SS braided, black nylon jacketed lines (you can cut off the nylon if you donít like the appearance) custom fabricated for the fuel head to WUR and WUR to 7th (cold start) injector on my '79 930 engine. $120 total. These lines, rated at 4,000 psi would also work well for fuel head to injectors.
You would need to supply the old lines with fittings properly clocked so the new lines will re-install properly. I can deliver my car to the vendor (1-block away) if needed for mock up.

Vendor (no affiliation, just found the shop to be a great source for my plumbing needs):
Mesa Hose
670 W 17th St, Unit G-5
Costa Mesa, CA 92627
949-645-2661

Any reason you donít want to use the existing steel lines, fuel head to injectors?
Let me know if you need Mesa to use my engine for mockup.
Chris Toy
949-910-9265
Old 03-13-2008, 06:27 PM
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Crotchety Old Bastard
 
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There is an outfit that makes braided fuel lines with the banjo fittings. I found them when putting together a parts list for the Evil Engine. That's been a year ago and I can't remeber the name and don't know the price. Maybe someone will recall the product from this picture.

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RarlyL8 Motorsports / M&K Exhaust - 911/930 Exhaust Systems, Turbos, TiAL, CIS Mods/Rebuilds
'78 911SC Widebody, 930 engine, 915 Tranny, K27, SC Cams, RL8 Headers & GT3 Muffler. 350whp @ 0.75bar
Brian B. (256)536-9977 Service@MKExhaust Brian@RarlyL8
Old 03-13-2008, 06:28 PM
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^^^^That looks an awful lot like one of the setups Neil Harvey (Performance Developments) put together for one of his customers. I have pictures, some place, that resemble that (neil sent them to me).
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back in the saddle: '95 993 - just another black C2
*SOLD*: '87 930 GP White - heroin would have been a cheaper addiction...
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Last edited by sand_man; 03-14-2008 at 03:42 AM..
Old 03-14-2008, 03:39 AM
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Those injector blocks, which have been manufactured by a few other shops too, allow you to retain the stock intake manifold, and will accept a more "traditional' EFI injector, in addition to the factory CIS style injectors. This allowed for several configurations: full blown EFI, partial EFI in which CIS is retained and the additional EFI injectors are only used to better control the fuel delivery model, etc. This setup also makes it easier to return the car to stock if that's your gig.
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back in the saddle: '95 993 - just another black C2
*SOLD*: '87 930 GP White - heroin would have been a cheaper addiction...
"Ladies and Gentlemen, from Boston Massachusetts, we are Morphine, at your service..." - Mark Sandman (RIP)

Last edited by sand_man; 03-14-2008 at 03:51 AM..
Old 03-14-2008, 03:49 AM
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Crotchety Old Bastard
 
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Yep, that was the deal. I was looking at piggy-back fueling system options.
Those fuel lines are really nice and will allow me to be creative with the CIS component locations.
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RarlyL8 Motorsports / M&K Exhaust - 911/930 Exhaust Systems, Turbos, TiAL, CIS Mods/Rebuilds
'78 911SC Widebody, 930 engine, 915 Tranny, K27, SC Cams, RL8 Headers & GT3 Muffler. 350whp @ 0.75bar
Brian B. (256)536-9977 Service@MKExhaust Brian@RarlyL8
Old 03-14-2008, 06:00 AM
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