Catch tanks: The best way to prevent overflow fluid spills?

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Update by Tim Suddard to the Ford Mustang Fastback project car
Jan 25, 2023 | Ford, Mustang, Vintage Racing, Summit Racing, Vintage Race Car, Cobra Automotive, Moroso

Both vintage racing rules, as well as good decorum, require teams to catch any fluids that could potentially make their way to the race track surface.

Radiators, engines and rear ends are common culprits for overflowing fluids. Moroso offers a complete line of catch tanks. Most are available from Summit Racing.

Our advisor on this project, Cobra Automotive’s Curt Vogt, recommended Moroso part No. 85470 ($132.99) catch tank for the rear end and, for the coolant overflow, part No. 63657 ($45.99) paired with part No. 63401 mounting bracket.

For oil overflow, we’re using a tank that Moroso custom makes for Cobra Automotive. This tank is sold under part No. OFT-WB and has twin inlets to accept a hose from each valve cover. Contact Cobra Automotive for pricing on this one.

Installation is rather straightforward. The differential recovery tank goes in the trunk, while the others go under the hood–ideally as low and centered as possible. Try to keep hoses as short as possible, too.

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Asphalt_Gundam
Asphalt_Gundam HalfDork
1/25/23 9:20 a.m.

Just do yourself a favor and make the crankcase catch can BIG, Baffled, Well Vented, and supplied by LARGE hose from a LOW OIL Mist/Spray AREA. In 3+ years now I've had less than an inch end up in the tank and most of it is just water from condensation.

Colin Wood
Colin Wood Associate Editor
1/25/23 10:02 a.m.

In reply to Asphalt_Gundam :

Thank you for the tip, we'll keep that in mind going forward.

I imagine it doesn't hurt to have more catch tank than you actually need.

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