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

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Matt Cramer
1966 Dodge Dart turbo / EFI project

Nice and simple. Thanks, Matt.

Lou

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Home of Slant6-powered fun machines since 1988

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.

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Matt Cramer
1966 Dodge Dart turbo / EFI project

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.



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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1966 Dart. 170 cu.in. 200 rwhp. 101.6 MPH @ 1/4 mile.