WE ARE CURRENTLY LOOKING FOR MORE HISTORY ON THIS COMPANY IF YOU KNOW ANYTHING PLEASE CONTACT US.

Source: Tom Styczynski via the World Of Speed Museum
In the mid-1940’s, the Granatelli brothers pooled their interest in cars, mechanical ability and what little money they accumulated to purchase a gas station on the north side of Chicago. Named Andy’s Super Service featuring Pit Stop Service where a team of attendants would check oil, clean windows, and check tire pressures while pumping gas. Their business grew so they decided to pursue their interest in race cars by preparing cars for competition and selling speed parts. When they experienced delays in buying parts they decided to open GRANCOR to manufacture their personal brand. Business was further expanded into Auto Marine Services for boating enthusiast while the speed shop delivered Fordillac conversions that replaced the Ford flat head engine with new, Cadillac overhead valve engines. In order to sell speed parts, the Granatelli brothers promoted racing as the Hurricane Hot Rod Racing Association.

That is Andy, Joe and Vince in the he upper left-hand photos posed at the GRANCOR parts counter. The lower left-hand shows their busy shop. The lower right-hand photo is the GRANCOR booth at a hot rod show in the 1950’s. The display prominently features Paxton supercharger products that will become important in the future.

CHICAGO SITES TODAY – I grew up in Chicago so I was intrigued by the four addresses found in the early literature. I also wondered what existed on the sites today.

The GRANCOR address was listed as 5150 North Western Avenue. This property is now a tune-up service.

5652 North Broadway was the site of GRANCOR shops. Today it serves as a service shop for a Toyota dealer.

The 5058 North Broadway address was a shop but is now a high-rise apartment.

And 4506 North Clarendon was the site of the first gas station. It is now part of a lake front park.

For the rest of the article of which there is more please check out the World Of Speed Museum

Early Grancor 2×2 w/ Fan Mount

Status: No longer in production

Produced in the mid 1940’s this intake is a pretty rare find and can often be pretty pricey.

Early Grancor 2×2

Status: No longer in production

Produced in the mid 1940’s this intake is a pretty rare find and can often be pretty pricey.

Grancor 4brl Intake

Status: No longer in production

The early 4brl Grancor intake for the 8BA blocks. They are commonly found with untapped breather wholes so they can also be used on a 59AB.

Grancor 3×2 Intake

Status: No longer in production

The early 3 X 2 Grancor for the 8BA blocks. This intake looks like with block off plates you can go single, 2×2 or 3×2.

8BA Grancor Highrise 2×2 Intake

Status: No longer in production

Without having the intake in front of me I don’t know if this intake had a similar 3×2 option or the dog bone was just a heat riser, exactly like the famous Navarro intake.

The Grancor 4×2

Status: No longer in production

This intake was not produced like the rest of the Grancor intakes but rather was a licensed production possibly from Weiand and then branded with Grancors name. Information we have says that only 12 of these where actually cast.

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