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Author Topic: Belly Tank Build Diary  (Read 57736 times)
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manta22
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« Reply #120 on: May 03, 2016, 09:06:37 PM »

Those fittings are good to know about- thanks, Mike.  cheers

Regards, Neil  Tucson, AZ
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Regards, Neil  Tucson, AZ
Rex Schimmer
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« Reply #121 on: May 04, 2016, 12:02:37 PM »

Mike,
Your fuel pump/filter/regulator system is very nice and compact. Is the tank return line the connection on the bottom? I looked on the Aeromotive site and they did not give a schematic of the connections. I assume that the two side connections that appear to be in line (front and back in your picture) are the regulated pressure connections that go to the injection system. Nice parts and I like the double O ring fitting, I have logged it into my memory for when I re-plumb my roadster injection.

Rex
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Mike Brown
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« Reply #122 on: May 05, 2016, 09:48:15 AM »

Mike,
Your fuel pump/filter/regulator system is very nice and compact. Is the tank return line the connection on the bottom? I looked on the Aeromotive site and they did not give a schematic of the connections. I assume that the two side connections that appear to be in line (front and back in your picture) are the regulated pressure connections that go to the injection system. Nice parts and I like the double O ring fitting, I have logged it into my memory for when I re-plumb my roadster injection.

Rex

Rex,

The return line connection is on the bottom of the regulator as shown in the photo.  In the car the connection will point up with a short AN-10 line connecting back to the fuel tank.  The two connections on the side are actually intended to be returns from each fuel rail on a V8 application.  I attached an illustration of the connections from Aeromotive (I searched their site and found the instructions).  I spoke with their tech department and it is OK to use one port as fuel in and the other for fuel out to the fuel rail as my crate engine requires.  I wanted to have enough capacity that If I need 1,000hp some day I don't have to swap out a bunch of parts. 

Mike Brown


* Regulator Connections.jpg (68.91 KB, 891x459 - viewed 147 times.)
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Mike Brown
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« Reply #123 on: May 05, 2016, 09:52:59 AM »

With regards to the fuel system what is the opinion on foam in the fuel tank?  My tank came with foam, I had to remove it to install larger bulkhead fittings for the fuel pump inlet and bypass lines.  I am concerned about getting air in the fuel from the return line.  I could add a "dip tube" so that the return line is below the expected fuel level or just reinstall the foam. 

The tank also has an AN-8 vent line with a ball type roll over valve.  Where is the preferred spot in the car to route the vent line? 

Thanks,

Mike Brown
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Mike Brown
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« Reply #124 on: May 06, 2016, 07:30:56 PM »

After some research I decided to not use foam.  Jaz the manufacture of the fuel tank (and foam) specifically state on their website that the foam cannot be used with water for intercoolers or with fuel that contains alcohol.  I expect to run E85 in the future so the foam is out.  Junior Thompson (of 60's gasser fame) told me not to run foam in a mechanically injected Hemi street project many years ago.  So I fabricated a "dip tube" using an aluminum coupler machined with 7/8-14 threads that will screw on to the fuel return bulkhead fitting inside the tank and connect a short section of 1/2" aluminum rigid conduit.  The fuel returned from the regulator will enter the tank below the fuel level and I hope reduce or eliminate aeration of the fuel. 


* Fuel Return Line Dip Tube small.jpg (188.8 KB, 534x804 - viewed 147 times.)
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Mike Brown
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« Reply #125 on: May 08, 2016, 06:20:33 PM »

I fabricated a mount for the fuel tank.  The tank, shutoff, filter, pump, regulator and lines have been installed.  The next goal is a battery box, some wiring and then on to starting the engine. 


* Fuel System small.jpg (203.05 KB, 534x804 - viewed 163 times.)
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Mike Brown
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« Reply #126 on: May 19, 2016, 05:42:01 PM »

The fire bottle mount is mocked up.  I have been making angles fabricated from 1/4" steel that bolt to the frame.  A section of 1-5/8" tube is welded between the angles spanning the car.  The fire bottle mounts are attached to 1/4" x 4" steel plates welded to the tube. 


* DSC_4827 small.jpg (203.42 KB, 804x534 - viewed 159 times.)
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Mike Brown
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« Reply #127 on: May 19, 2016, 05:45:42 PM »

The battery, fuel system and intercooler system were made into a module that bolts to the frame.  The module is easily removed for access to the engine and transmission. 


* DSC_4829 small.jpg (211.65 KB, 804x534 - viewed 158 times.)
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Mike Brown
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« Reply #128 on: May 19, 2016, 05:46:26 PM »

A side view of the chassis. 


* DSC_4833 small.jpg (216.28 KB, 804x534 - viewed 225 times.)
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Mike Brown
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« Reply #129 on: May 19, 2016, 05:47:13 PM »

A top view from the back. 


* DSC_4834 small.jpg (190.5 KB, 534x804 - viewed 158 times.)
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Mike Brown
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« Reply #130 on: May 19, 2016, 05:47:51 PM »

A top view from the front. 


* DSC_4835 small.jpg (221.4 KB, 534x804 - viewed 163 times.)
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« Reply #131 on: May 19, 2016, 09:06:55 PM »

That looks great Mike. cheers cheers cheers cheers
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Mike Brown
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« Reply #132 on: May 22, 2016, 05:48:29 PM »

I cut most of the steel for the car using a portable band saw.  It is one of my favorite tools. 


* DSC_4842 small.jpg (188.46 KB, 534x804 - viewed 125 times.)
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Mike Brown
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« Reply #133 on: May 22, 2016, 05:50:46 PM »

Sometimes there is a need to cut small pieces or parts that are not easily held in a vise.  I clamp a piece of aluminum plate in the vise then secure the part to be cut using a small "C" clamp.  This works really well. 


* DSC_4836 small.jpg (175.36 KB, 804x534 - viewed 116 times.)
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Mike Brown
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« Reply #134 on: May 22, 2016, 05:51:58 PM »

The completed fire bottle mount.  I added gussets under each plate. 


* DSC_4847 small.jpg (178.82 KB, 804x534 - viewed 133 times.)
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