Gurney's All American Racers built a lot of race cars

158 Eagle racing cars between 1965 AND 2012.

Including: 4 Formula One Eagles
106 Indy Eagles
20 Formula
5000 Eagles
13 IMSA GTP Eagles
13 Formula Ford Eagles
2 Trans-Am Plymouth Barracudas
3 IMSA GTU Toyota Celicas
3 IMSA GTO Toyata Celicas
2 Can-Am McLEagles
1 Lola Can-Am
1 Delta Wing

Dan Gurney's All American Racers is the only constructor in the United States which has designed and built:

A Winning F1 Grand Prix Car
A Winning Indianapolis 500 Car
A Winning Sports Car

http://allamericanracers.com/all-american-racers-history/

The Formula Fords are good for 115 mph, and one was featured in Hagerty magazine, winter 2017 issue, and is owned by Larry Webster, Hagerty’s Vice President of Content

He ditched an engineering career to write for Car and Driver in 1994, then served as Automotive Editor at Popular Mechanics and was Editor-in-Chief at Road and Track before going to Hagerty.

https://www.hagerty.com/articles-videos/articles/2017/05/31/hagerty-race-team-webster#