Re: Burb Gas Tank for EFI Conversion?
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Re: Burb Gas Tank for EFI Conversion?
Thanks lownslow64. My understanding of the design on the original tanks is that the smaller tube which leads back to the main fill tube (terminates just below the gas cap) is to help prevent gas from splashing back out (fill pressure) when filling the tank. If using a stock style fuel pump, tank pressure increases/decreases when driving, when ambient temperatures change etc. A vent is required somewhere to help with this, in stock form I believe the original gas cap was vented. My current gas cap, even though it's aftermarket, is also vented and helps with this. The only issue I have from time to time is a small amount of gas seepage from the vented cap if tank is more than half full and I take some hard turns.
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Re: Burb Gas Tank for EFI Conversion?
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https://hosting.photobucket.com/imag...=278&crop=fill |
Re: Burb Gas Tank for EFI Conversion?
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Re: Burb Gas Tank for EFI Conversion?
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So you would move the filler port and vent ~1" inward/closer to the center, 8.75" vs the standard of 9.75" and use 10.75" from the front of the tank vs the standard 14.642"? Reposting the diagram, since it cut off the left side dimension showing the standard filler port location of 14.642" https://hosting.photobucket.com/imag...=278&crop=fill |
Re: Burb Gas Tank for EFI Conversion?
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Yes, i would move the filler 10.75 from the front of the tank and 8.75 from the center and change pipe size to 1.5" to hook right up to the existing fill. That will allow you the right size pipe, location to hook up and allow you the space to install without fighting it to much...good luck! |
Re: Burb Gas Tank for EFI Conversion?
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The Bad News: I tried to order from Boyd's but they are NOT doing any custom work... apparently new for 2022, you can only order existing products. however.... The Good News: They said Pro Performance offers a 63-66 Suburban tank! From Boyd's: "The tank requested is very close a Suburban option that is available through one of our dealers, Pro Performance. These tanks are made to order by us and ship from our Florida location. Here is a link to the SUV tanks on his website: https://azproperformance.com/collections/boyd-welding-60-72-c10/products/boyd-aluminum-gas-tank-side-fill-67-72-2wd-blazer" Anybody used one of these? I'm trying to confirm with Pro Performance the filler location to see how close is 'very close'... Stay tuned. I did see Pro Performance has a build thread on a 64 Burb, but couldn't tell what tank they used... http://67-72chevytrucks.com/vboard/s...5&postcount=46 |
Re: Burb Gas Tank for EFI Conversion?
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https://cdn.shopify.com/s/files/1/00...g?v=1575432102 |
Re: Burb Gas Tank for EFI Conversion?
When I ordered mine I spoke to the owner travis and he was in the process of making a suburban option through boyd because that was his suburban and there was no option for them without alot of work. I would call them and talk to travis and go over the measurements for verification.
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Re: Burb Gas Tank for EFI Conversion?
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Here's a few pics, will post the fitment once I get there. Filler tube does not protrude out from the tank like the stock one, but appears to line up pretty good front to back. https://hosting.photobucket.com/imag...to_Stock_3.jpg https://hosting.photobucket.com/imag...to_Stock_1.jpg https://hosting.photobucket.com/imag...to_Stock_4.jpg |
Re: Burb Gas Tank for EFI Conversion?
Thanks RoyL, those are some very helpful pics and that is one nice looking new tank. Almost a shame it hide it up under a truck ;) looking forward to your fitment updates.
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Re: Burb Gas Tank for EFI Conversion?
Royl- Tank looks good. they made some nice improvements to it. Let us know how the install goes.
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Re: Burb Gas Tank for EFI Conversion?
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Filler tube could be 1" or so further rearward for perfect alignment, as recommended by lownslw64. Measured the tank and it's ~9" from the front edge of the tank. He suggested 10.75" Mounting flanges line up nicely, have about a 1/2" clearance front to back inside the cross braces. Interesting note, the front cross brace near the axle is slightly angled, apparently to allow room for the stabilizer mount. Y'all probably knew that... I thought I didn't have the tank lined up right, but it was the cross brace. https://hosting.photobucket.com/imag..._IMG_0614.HEIC https://hosting.photobucket.com/imag...080&fit=bounds https://hosting.photobucket.com/imag...080&fit=bounds https://hosting.photobucket.com/imag...080&fit=bounds https://hosting.photobucket.com/imag...080&fit=bounds https://hosting.photobucket.com/imag...080&fit=bounds |
Re: Burb Gas Tank for EFI Conversion?
[QUOTE=RoyL;9085010]A bit of an update, got the tank mocked up yesterday.
Great pics and updates, nice to get real feedback on this tank install. Keep up the great work and keep us posted! |
Re: Burb Gas Tank for EFI Conversion?
Any more updates? My long-term goal is EFI, and I'm currently having fuel pump issues. was half thinking about investing in a new tank and electric fuel pump now instead of replacing the mechanical... might as well, right?
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Re: Burb Gas Tank for EFI Conversion?
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Re: Burb Gas Tank for EFI Conversion?
[quote=Southcity;9085100]
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Update: Still no engine, so no plumbing yet but I mounted the tank brackets and trial fit the filler and vent hoses. Note that the truck sdie filler pipe OD is 1 3/8" and the tank filler pipe OD is 1.5" so the 1.5" filler hose is loose at the truck side connection, will see if the clamp will seal it tight enough. Length is only 8.5 to 9" and it's pretty stiff hose. Since you can't get to the top side to mount bolts, I used the mounting plates that they sell as a kit. https://azproperformance.com/collect...g-mounting-kit They have 3 threaded holes so you can blind mount the bolts from below. More tedious than I expected, just take your time and measure 3 times and drill once... lol. You could save the $ for the mounting kit and make your own or drop the bolts from the top and put the nuts on from the bottom. Photos showing filler hoses alignment. https://hosting.photobucket.com/imag...720&fit=bounds https://hosting.photobucket.com/imag...720&fit=bounds https://hosting.photobucket.com/imag...720&fit=bounds https://hosting.photobucket.com/imag...370&fit=bounds https://hosting.photobucket.com/imag...370&fit=bounds https://hosting.photobucket.com/imag...370&fit=bounds |
Re: Burb Gas Tank for EFI Conversion?
Thank you for posting these pics and providing the info, very helpful. Curious how you feel about the look of the tank under your Suburban now that it is installed? I find that the stock tanks are mostly invisible under our Suburbans, this one seems to peek out just a but but difficult to tell from the pics. For example, some options might be to powder coat it a semi gloss black, or even coat it in a truck bed liner, something to help hide it a bit, quiet it down, protect if from road debris etc.
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Re: Burb Gas Tank for EFI Conversion?
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Note that these pics were taken at bumper level or below, just to show that it is well above the rear differential. I don't think you'll see it even kneeling from the top of the bumper height or above. Roy |
Re: Burb Gas Tank for EFI Conversion?
[quote=RoyL;9122203]
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Gates 23924, 1.5" diamater. https://www.gates.com/us/en/fluid-po...663-03601.html And a loose fit on the truck side where the OD is ~1 3/8" May need a hose without the steel imbedded. Anybody try something else? Considering putting a sleeve over the smaller filler on the truck side. |
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