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Join Date: Dec 2002
Location: Dahlonega , Georgia
Posts: 14,606
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oil tank for 6 cylinder conversion
I see 914-6 cylinder oil tanks for big $$$ is there a difference between 911 tanks and 914/6
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2002 Boxster S . Arctic silver + black top/int. Jake Raby 3.6 SS engine " the beast ". GT3 front bumper, GT3 side skirts and GT3 TEK rear diffuser. 1999 996 C4 coupe black/grey with FSI 3.8 engine . Rear diffuser , front spoiler lip with ducktail spoiler . |
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12-02-2006, 01:23 PM
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Join Date: Mar 2003
Location: South Bend, Indiana
Posts: 557
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yes...911 tanks are too big to fit between the outer fender and the engine compartment wall. If you look on the drivers side engine wall you'll see the indents where you need to drill out the holes for a factory tank. There are also aftermarket tanks...look in the resources section on the 914club and look for DWDesign. I'm in the same boat right now, I'm looking for a 914-6 oil tank and not sure if I want original or aftermarket.
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Jim 80 911SC Targa 75 914-6 3.2l Conversion 58 Triumph TR3A 07 Harley Night Rod Special, 08 buell 1125R, 08 Harley CVO Springer, 09 Harley Iron |
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12-02-2006, 01:46 PM
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Join Date: Aug 2006
Location: Los Osos, Ca
Posts: 398
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DWDesign is a friend of mine, and I'm shamelessly pimping him here, but his tanks are really nice.
I have one here for the day when I find the right deal on a 6 for my car. |
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12-03-2006, 07:12 PM
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If you don't need the original look, you can install a dry sump tank(Peterson) in the front. They're a lot less expensive (ebay, Jeggs any race mag).
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73 914-6, Vintage Spyder,05 997(sold), 04 Anniversary 911 #151(sold) 08 Beck Speedster #317 (sold) 76 911S (sold) 76 911 Targa (cut up & sold) 86 951 (sold)914-6 (sold) |
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12-11-2006, 11:20 AM
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JW Apostate
Join Date: May 2004
Location: Napa, Ca
Posts: 14,164
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I used the Vellios cast aluminum tank. No leaks.
Fits in the stock location. High volume and good heat disipation.  KT
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'74 914-6 2.6 SS #746 '01 Boxster |
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12-11-2006, 12:04 PM
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Join Date: Mar 1999
Location: Des Plaines, IL USA
Posts: 79
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If it's going to be a street car, make life easy on yourself and get a factory style tank. The hookups will be easier and the hose lengths much shorter unless you're running a front cooler. The parts are available, so just look and see who has the best deal at the time.
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12-13-2006, 05:37 PM
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Join Date: Feb 2001
Location: Sierra Foothills, NoCal, USA
Posts: 8
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Quote:
available yet? I have a beautiful dwd tank, and am slowly getting closer to needing a filter console and filler neck/dipstick. patrick |
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12-21-2006, 01:00 PM
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Hell Belcho
Join Date: Sep 2006
Location: Oz
Posts: 9,249
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I'd make sure to check that any aftermarket tank has the correct baffling inside, FYI, BTDT
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Saved by the buoyancy of citrus. |
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12-21-2006, 02:59 PM
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Join Date: Dec 2002
Location: Dahlonega , Georgia
Posts: 14,606
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How does someone check for proper baffling?
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2002 Boxster S . Arctic silver + black top/int. Jake Raby 3.6 SS engine " the beast ". GT3 front bumper, GT3 side skirts and GT3 TEK rear diffuser. 1999 996 C4 coupe black/grey with FSI 3.8 engine . Rear diffuser , front spoiler lip with ducktail spoiler . |
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12-21-2006, 04:01 PM
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Join Date: Mar 2003
Location: South Bend, Indiana
Posts: 557
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the DWDesign tank has been talked about extensively on the 914club.com site (well, the before the blowup site)...they copied the inside baffling of the factory tank.
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Jim 80 911SC Targa 75 914-6 3.2l Conversion 58 Triumph TR3A 07 Harley Night Rod Special, 08 buell 1125R, 08 Harley CVO Springer, 09 Harley Iron |
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12-21-2006, 06:58 PM
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Registered
Join Date: Oct 2003
Location: Sacramento, CA
Posts: 666
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Call Sunset Imports. Ask for Jeff at Porsche Parts. Tell him I sent you....You will get an OEM tank cheaper than an aftermarket tank.
1-800-346-0182 You might try our host as well and see what kind of price they can get you.....
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Paul S "Those who say it cannot be done should not interrupt the people doing it" |
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12-21-2006, 08:21 PM
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Join Date: Dec 2002
Location: Dahlonega , Georgia
Posts: 14,606
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PM sent to 84toy.
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2002 Boxster S . Arctic silver + black top/int. Jake Raby 3.6 SS engine " the beast ". GT3 front bumper, GT3 side skirts and GT3 TEK rear diffuser. 1999 996 C4 coupe black/grey with FSI 3.8 engine . Rear diffuser , front spoiler lip with ducktail spoiler . |
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12-22-2006, 03:32 AM
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OCD project capitan
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Hey guys,
The first thing I aquired when I started was a rusted out OEM 914-6 tank. I cut it open and from that point, everything in my tank was to be identical (except for materials). The screen is the same wire size and mesh count in stainless; it is critical to have the same mesh size because it helps keep the oil foaming to a minimum. I went with 5052 aluminum sheet because of its great machining/welding/bending properties (it is used extensively in the airplane industry for fuel/oil/liquid cells), and heat dissipation. However, I have changed one thing. When the oil from the engine enters the tank, it goes through internal plumbing to the oil filter stand, through the filter, then back in the tank to another tube which goes to the top of the tank and dumps the oil from a high position above the oil filter position. The hot oil then gravity feeds down to the oil out fitting then back to the motor. With my tank, I plumbed that oil line to the back of the tank to help dissipate heat to make for cooler oil temps. Patrick, the filler necks won't be ready till late January... I'm waiting for the CNC lathe to finish oil tank and coil-over parts. I will snap some pictures of what I have done and what they will look like. I also have early OEM style dipsticks being made out of stainless spring steel.
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Don Welch '73 914ish ->6ish GTish 2.8 twin plug mfi... happy camper. |
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12-22-2006, 09:59 AM
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Join Date: Mar 2003
Location: South Bend, Indiana
Posts: 557
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Don, I'd be interested in the entire setup...let me know when in January/february the filler necks will also be available
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Jim 80 911SC Targa 75 914-6 3.2l Conversion 58 Triumph TR3A 07 Harley Night Rod Special, 08 buell 1125R, 08 Harley CVO Springer, 09 Harley Iron |
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12-22-2006, 10:43 AM
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Registered
Join Date: Feb 2001
Location: Sierra Foothills, NoCal, USA
Posts: 8
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Quote:
Your tank is a work of art, and almost a shame to have to hide it behind the body work. patrick |
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12-22-2006, 11:02 AM
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OCD project capitan
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Hey guys,
Here are some pics of the filler necks I have so far. The first pic is an example of what the cap will look like. I'm going to use a double start acme thread, very strong and dirt/grime won't mess up the threads.  The filler necks are stainless and aluminum. The base and dip stick tube (section which mates to the tank) are stainless. I incorperated a screen plate on the back side so now everyone can have a peice of warm fuzzy security knowing that if you drop something in the filler neck, it won't go too far. The main body and cap will be out of 6061 aluminum and grey anodyzed. They are then press fit together and ready for purchase.  
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Don Welch '73 914ish ->6ish GTish 2.8 twin plug mfi... happy camper. |
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12-23-2006, 09:47 AM
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Join Date: Dec 2002
Location: Dahlonega , Georgia
Posts: 14,606
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BigD914gt please keep us all posted on your progress. I for one will need one of these sometime next year. Looks great so far.
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2002 Boxster S . Arctic silver + black top/int. Jake Raby 3.6 SS engine " the beast ". GT3 front bumper, GT3 side skirts and GT3 TEK rear diffuser. 1999 996 C4 coupe black/grey with FSI 3.8 engine . Rear diffuser , front spoiler lip with ducktail spoiler . |
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12-23-2006, 10:57 AM
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Registered
Join Date: Aug 1999
Location: Hickory NC USA
Posts: 2,502
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Since a new tank is being built, I hope the fitting on the bottom of the tank that feeds oil to the motor is at least an AN-16 size. Maybe AN-20 would be best
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'75 914-6 3.2 (Track Car) '81 SC 3.6 (Beast) '993 Cab (Almost Done Restoring) |
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12-27-2006, 04:42 AM
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OCD project capitan
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The DWD tank is an OEM copy designed to work with all of the Porsche 914-6 OEM parts. BUT... If there is enough demand, I will pull asside 10-15 tanks and build a race version utilizing more advanced baffling, more volume, larger AN fittings, integraded cooling fins and anyother ideas.
Cheers, and happy holidays. Don.
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Don Welch '73 914ish ->6ish GTish 2.8 twin plug mfi... happy camper. Last edited by BigD9146gt; 12-29-2006 at 06:06 AM.. |
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12-27-2006, 08:39 AM
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10 yr toy
