07-09-2020, 04:25 PM
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Senior Member
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Join Date: Mar 2017
Location: ABQ, New Mexico
Posts: 36,633
Thanks: 3,506
Thanked 136,542 Times in 22,784 Posts
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The Boss 429 made its NASCAR debut partway into the ’69 season on March 30 at Atlanta, where Cale Yarborough, driving a Wood Brothers Mercury, earned the Boss its first win right out of the box. The Boss was the Ford NASCAR engine of choice until 1975 when the series reduced the displacement limit to 358 CID, ending the big-block era in stock car racing.
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