OTAS LogoOTAS 820 Grand Prix

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In General

Most of the OTAS Grand Prix are sold in the USA. Because of the pollutionlegislation the number of cubic centimeters of the engine was reduced to 817cc. The other name of the OTAS, 820, derives from that. The cooling system, another weak point, became a real nightmare on the Californian highways.

The OTAS was sold in the USA by John Rich Motors in Glendale, California. Beside the OTAS, John Rich imported Abarths and it seems to be that John Rich requested Carlo Abarth to build this car with a bigger engine, the Abarth Scorpione.

Another strange point about this car is that I found a postcard on which the car is said to be the "OTAS Tigre" and it says it is a car made by the Siata International car company. The company was located in Newark, New Jersey. According to Robert Maselko the name Tigre might be derived from the fact that the OTAS emblem on the nose depicts a tigre. The spider version is, again according to Robert Maselko, also sold by Siata International.

Who does know more about the car? Please react and mail me!


This following article is sent to me by Mavis Walters. Thanks!


On the internet are just a few places were some information can be found.


The next three pictures are from a "little bit" rebuild OTAS. The engine-conversion is not original but done by one of the owners. Mavis Walters sent me a lot of pictures about OTAS and Scorpiones, including the logo. Thank you very much, Mavis!

Front The car seen from the front. Achterzijde The car seen from the rear. The engine-compartment lid is reversed!
Engine Compartment A Fiat 124 TwinCam-engine is shoehorned into the engine compartment! Bobs OTAS This car was owned by Bob Rogers. Take a look at it at his homepage
White OTAS An OTAS 820 on a show for little cars somewhere in the USA. OTAS Interior The interior is different from the Grand Prix. Look i.e. at the light- and whiper switches at the left of the steering wheel instead of on the center pot.
OTAS drawing An OTAS-drawing OTAS World Cars Annual 1970 This picture is taken from "World Cars Annual 1970".
Front of OTAS, Orange County CA The frontview of an OTAS which is for sale at a swapmeet in Orange County, California. Rear of OTAS, Orange Countey, CA And the rear.
Black OTAS, Orange County, CA Another OTAS for sale at a swapmeet in Orange County, California. Red OTAS, Whittier, CA An OTAS at a swapmeet in Whittier, California.
Yellow OTAS, Whittier, CA Another OTAS at a swapmeet in Whittier, Californië.

The following picture is one of a postcard.

Postcard of OTAS Tigre O.T.A.S. - Tigre features electrically operated concealed headlights with manual emergency control, completely adjustable seats and foot pedals, full Jeager intrumentation with electric tachometer, competition leather steering wheel and flow through ventilation. Courtesy of Siata Intern'l U.S.A., Inc.
Postcard of OTAS Tigre O.T.A.S. - Tigre


Here you will find some links to sites which might help you finding some parts especially for the OTAS 820 Grand Prix. For generally available parts please look at the parts section of the Link-page.

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