1924 Oldsmobile Model 30-B 17" Polished Billet Aluminum Radiator Coolant Overflow Puke Tank, Model 30-BThe Zirgo Standard Overflow Tank Is A Functional Treat For The Eyes! This 17" reservoir is for your 1924 Oldsmobile Model 30 B and mounts anywhere in your engine bay using beautifully crafted adjustable billet tank mounts. No need to drill holes or perform unnecessary fabrication to mount this tank, just adjust the clamping bracket and secure in seconds! Zirgo's unique internal adjustable overflow system eliminates the unsightly overflow tube from the