While there are plenty of instances of madmen building cars throughout history, to our knowledge, there was only one car built by somebody who considered himself a madman, and this 1953 Muntz Jet, based on a design by Frank Kurtis, is advertised as the next-to-last Jet built. If that’s the case, then it must have a Lincoln V-8 under the hood. From the seller’s description:

True collector car, Muntz only made 198 cars. 124 have been accounted for and 40 have been restored and are on the road. This one is next to the last production car made.  VIN# 53M538.  1 of 3 w/continental kit.  Split windshield, original seat upholstry, removable Carson  top, spotlights, in-truck gas filler, interior cable release for truck, original tool box built into truck. This is a near complete car that needs restoration.  Original paint color was Fushia with a cream top and interior.

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1953 Muntz Jet for sale on Hemmings.com
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