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Video: Testing baffled and sumped fuel tanks
https://slantsix.org/forum/viewtopic.php?t=68504
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Author:  MadScientistMatt [ Sat Jan 17, 2026 7:32 am ]
Post subject:  Video: Testing baffled and sumped fuel tanks

Baffles or sumps can help avoid losing fuel pressure while cornering with EFI. This is a quick video I put together where I have tested a couple model fuel tanks to demonstrate the basics of how baffles and sumps work, and how you can test out more advanced ideas on your own if you want to give it a try.

Baffled fuel tanks on YouTube

Author:  Dart270 [ Sun Jan 18, 2026 8:17 am ]
Post subject:  Re: Video: Testing baffled and sumped fuel tanks

Nice and simple. Thanks, Matt.

Lou

Author:  MadScientistMatt [ Wed Jan 21, 2026 5:04 pm ]
Post subject:  Re: Video: Testing baffled and sumped fuel tanks

You're welcome. Since I've mostly just been driving the Dart lately and looking to see if anything needs fixing, I needed a different subject for a tech video than just me working on the car. Youtube has an "AI brainstorm ideas" feature, and most of the ideas were terrible, but it did mention an idea about baffled fuel tanks and I realized I could demonstrate that with a shoestring budget. I'm glad you liked the video.

Author:  lgu32 [ Mon Jan 26, 2026 10:36 pm ]
Post subject:  Re: Video: Testing baffled and sumped fuel tanks

Have you tried to made baffles to a complete tank? I think it would be quite a complex work to get running. At least a lot of welding for it.

Image

In the picture at the side of the radiator I have a surge tank. I will solve the same problem but totally different way. All the bubbles coming from rear tank are separated at the surge tank for fast return to rear tank. I did this because I didnt want install anything new to original tank.

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