{"id":2989,"date":"2020-12-03T20:29:51","date_gmt":"2020-12-03T20:29:51","guid":{"rendered":"https:\/\/www.motorsportmagazine.com\/database\/championships\/1973-usac-stock-car-championship\/"},"modified":"2023-11-08T11:03:36","modified_gmt":"2023-11-08T11:03:36","slug":"1973-usac-stock-car-championship","status":"publish","type":"championship","link":"https:\/\/www.motorsportmagazine.com\/database\/championships\/1973-usac-stock-car-championship\/","title":{"rendered":"1973 USAC Stock Car Championship"},"content":{"rendered":"\n<section class=\"hero \">\n    \n            \n<section class=\"c-site-breadcrumbs site-breadcrumbs proxima \">\n    <div class=\"container\">\n        <nav class=\"breadcrumbs\"><span><span><a href=\"https:\/\/www.motorsportmagazine.com\/database\/\">Home<\/a><\/span><\/span><\/nav>\n    <\/div>\n<\/section>\n    \n    <div class=\"hero__content\">\n        <div class=\"container\">\n                        <h1 class=\"hero__title sanomat\"><\/h1>\n             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\n\t\n<article class=\"article-item \">\n\n\t\n\t\t<a class=\"article-item__link \" href=\"https:\/\/www.motorsportmagazine.com\/articles\/single-seaters\/f1\/bold-brave-and-unraced-the-f1-cars-that-never-made-it-to-the-grid\/\">\n\t\n\t\t\t\t\t<div class=\"article-item__image article-item__image--cropped\">\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" height=\"253\" width=\"450\" alt=\"Bold, brave and unraced, the F1 cars that never made it to the grid\" title=\"Bold, brave and unraced, the F1 cars that never made it to the grid\" class=\"\" src=\"https:\/\/www.motorsportmagazine.com\/database\/wp-content\/uploads\/2026\/02\/Six-wheeled-Williams-FW08B-test-450x253.jpg\" srcset=\"https:\/\/www.motorsportmagazine.com\/database\/wp-content\/uploads\/2026\/02\/Six-wheeled-Williams-FW08B-test-450x253.jpg 450w, https:\/\/www.motorsportmagazine.com\/database\/wp-content\/uploads\/2026\/02\/Six-wheeled-Williams-FW08B-test-300x169.jpg 300w, https:\/\/www.motorsportmagazine.com\/database\/wp-content\/uploads\/2026\/02\/Six-wheeled-Williams-FW08B-test-400x225.jpg 400w, https:\/\/www.motorsportmagazine.com\/database\/wp-content\/uploads\/2026\/02\/Six-wheeled-Williams-FW08B-test-330x186.jpg 330w, https:\/\/www.motorsportmagazine.com\/database\/wp-content\/uploads\/2026\/02\/Six-wheeled-Williams-FW08B-test-165x93.jpg 165w, https:\/\/www.motorsportmagazine.com\/database\/wp-content\/uploads\/2026\/02\/Six-wheeled-Williams-FW08B-test-82x46.jpg 82w, https:\/\/www.motorsportmagazine.com\/database\/wp-content\/uploads\/2026\/02\/Six-wheeled-Williams-FW08B-test-329x185.jpg 329w, https:\/\/www.motorsportmagazine.com\/database\/wp-content\/uploads\/2026\/02\/Six-wheeled-Williams-FW08B-test-172x97.jpg 172w, https:\/\/www.motorsportmagazine.com\/database\/wp-content\/uploads\/2026\/02\/Six-wheeled-Williams-FW08B-test-200x113.jpg 200w\"  \/>\n\t\t\t\t\t\n\t\t\t\t\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"article-item__content\">\n\t\t\t<div class=\"article-item__row proxima\">\n\t\t\t\t\t\t\t\t<div class=\"article-item__tag tag tag--group\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span>F1<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t\t<h2 class=\"article-item__title article-item__title--cropped sanomat\">\n\t\t\t\t\t\t\t\t\tBold, brave and unraced, the F1 cars that never made it to the grid\n\t\t\t\t\t\t\t<\/h2>\n\t\t\t<div class=\"article-item__excerpt\">\n\t\t\t\t<p>From the Williams six-wheeler banned before it could race to the Honda that died with its designer, these are the Formula 1 cars that were tested but never made their competitive debut<\/p>\n\n\t\t\t<\/div>\n\t\t\t<div class=\"article-item__meta proxima\">\n\t\t\t\t\t\t\t\t\t<time class=\"article-item__date\" datetime=\"2026-02-19\">19th February 2026<\/time>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"article-item__author\">By\n\t\t\t\t\t\tPablo Elizalde<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t<\/a>\n\t\n<\/article>\n                                                                                            \n\t\n<article class=\"article-item \">\n\n\t\n\t\t<a class=\"article-item__link \" href=\"https:\/\/www.motorsportmagazine.com\/articles\/podcast\/f1-show\/podcast-sandbagging-mercedes-reason-to-hide-f1-testing-pace\/\">\n\t\n\t\t\t\t\t<div class=\"article-item__image article-item__image--cropped\">\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" height=\"253\" width=\"450\" alt=\"Podcast: Sandbagging? Mercedes&#8217; reason to hide F1 testing pace\" title=\"Podcast: Sandbagging? Mercedes&#8217; reason to hide F1 testing pace\" class=\"\" src=\"https:\/\/www.motorsportmagazine.com\/database\/wp-content\/uploads\/2026\/02\/Mercedes-sandbagging-Ep4-thumbnail-450x253.jpg\" srcset=\"https:\/\/www.motorsportmagazine.com\/database\/wp-content\/uploads\/2026\/02\/Mercedes-sandbagging-Ep4-thumbnail-450x253.jpg 450w, https:\/\/www.motorsportmagazine.com\/database\/wp-content\/uploads\/2026\/02\/Mercedes-sandbagging-Ep4-thumbnail-300x169.jpg 300w, https:\/\/www.motorsportmagazine.com\/database\/wp-content\/uploads\/2026\/02\/Mercedes-sandbagging-Ep4-thumbnail-400x225.jpg 400w, https:\/\/www.motorsportmagazine.com\/database\/wp-content\/uploads\/2026\/02\/Mercedes-sandbagging-Ep4-thumbnail-330x186.jpg 330w, https:\/\/www.motorsportmagazine.com\/database\/wp-content\/uploads\/2026\/02\/Mercedes-sandbagging-Ep4-thumbnail-165x93.jpg 165w, https:\/\/www.motorsportmagazine.com\/database\/wp-content\/uploads\/2026\/02\/Mercedes-sandbagging-Ep4-thumbnail-82x46.jpg 82w, https:\/\/www.motorsportmagazine.com\/database\/wp-content\/uploads\/2026\/02\/Mercedes-sandbagging-Ep4-thumbnail-329x185.jpg 329w, https:\/\/www.motorsportmagazine.com\/database\/wp-content\/uploads\/2026\/02\/Mercedes-sandbagging-Ep4-thumbnail-172x97.jpg 172w, https:\/\/www.motorsportmagazine.com\/database\/wp-content\/uploads\/2026\/02\/Mercedes-sandbagging-Ep4-thumbnail-200x113.jpg 200w\"  \/>\n\t\t\t\t\t\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<div class=\"article-item__icon\">\n\t\t\t\t\t\t<img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/www.motorsportmagazine.com\/database\/wp-content\/themes\/motor-sport-magazine\/public\/dist\/svgs\/play-icon.svg\" width=\"70\" height=\"70\" aria-label=\"Play\">\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"article-item__content\">\n\t\t\t<div class=\"article-item__row proxima\">\n\t\t\t\t\t\t\t\t<div class=\"article-item__tag tag tag--group\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span>F1 Show<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t\t<h2 class=\"article-item__title article-item__title--cropped sanomat\">\n\t\t\t\t\t\t\t\t\tPodcast: Sandbagging? Mercedes&#8217; reason to hide F1 testing pace\n\t\t\t\t\t\t\t<\/h2>\n\t\t\t<div class=\"article-item__excerpt\">\n\t\t\t\t<p><strong>Motor Sport F1 Show with Mark Hughes<\/strong><\/br><br \/>\nWhich teams might be hiding their true pace in F1 testing? And why would they be sandbagging? Plus: drivers&#8217; dismay at cornering 20mph off the pace and your questions answered in our latest podcast episode<\/p>\n\n\t\t\t<\/div>\n\t\t\t<div class=\"article-item__meta proxima\">\n\t\t\t\t\t\t\t\t\t<time class=\"article-item__date\" datetime=\"2026-02-19\">19th February 2026<\/time>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"article-item__author\">By\n\t\t\t\t\t\tMotor Sport<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t<\/a>\n\t\n<\/article>\n                                                                                            \n\t\n<article class=\"article-item \">\n\n\t\n\t\t<a class=\"article-item__link \" href=\"https:\/\/www.motorsportmagazine.com\/articles\/single-seaters\/f1\/explained-the-engine-compression-row-that-risks-overshadowing-f1s-new-era\/\">\n\t\n\t\t\t\t\t<div class=\"article-item__image article-item__image--cropped\">\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" height=\"253\" width=\"450\" alt=\"Explained: The engine compression row that risks overshadowing F1&#8217;s new era\" title=\"Explained: The engine compression row that risks overshadowing F1&#8217;s new era\" class=\"\" src=\"https:\/\/www.motorsportmagazine.com\/database\/wp-content\/uploads\/2026\/02\/M560543-450x253.jpg\" srcset=\"https:\/\/www.motorsportmagazine.com\/database\/wp-content\/uploads\/2026\/02\/M560543-450x253.jpg 450w, https:\/\/www.motorsportmagazine.com\/database\/wp-content\/uploads\/2026\/02\/M560543-300x169.jpg 300w, https:\/\/www.motorsportmagazine.com\/database\/wp-content\/uploads\/2026\/02\/M560543-400x225.jpg 400w, https:\/\/www.motorsportmagazine.com\/database\/wp-content\/uploads\/2026\/02\/M560543-330x186.jpg 330w, https:\/\/www.motorsportmagazine.com\/database\/wp-content\/uploads\/2026\/02\/M560543-165x93.jpg 165w, https:\/\/www.motorsportmagazine.com\/database\/wp-content\/uploads\/2026\/02\/M560543-82x46.jpg 82w, https:\/\/www.motorsportmagazine.com\/database\/wp-content\/uploads\/2026\/02\/M560543-329x185.jpg 329w, https:\/\/www.motorsportmagazine.com\/database\/wp-content\/uploads\/2026\/02\/M560543-172x97.jpg 172w, https:\/\/www.motorsportmagazine.com\/database\/wp-content\/uploads\/2026\/02\/M560543-200x113.jpg 200w\"  \/>\n\t\t\t\t\t\n\t\t\t\t\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"article-item__content\">\n\t\t\t<div class=\"article-item__row proxima\">\n\t\t\t\t\t\t\t\t<div class=\"article-item__tag tag tag--group\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span>F1<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t\t<h2 class=\"article-item__title article-item__title--cropped sanomat\">\n\t\t\t\t\t\t\t\t\tExplained: The engine compression row that risks overshadowing F1&#8217;s new era\n\t\t\t\t\t\t\t<\/h2>\n\t\t\t<div class=\"article-item__excerpt\">\n\t\t\t\t<p>A technical loophole involving thermal expansion has triggered accusations, secret letters to the FIA, and a war of words between teams over who&#8217;ll dominate the 2026 F1 season<\/p>\n\n\t\t\t<\/div>\n\t\t\t<div class=\"article-item__meta proxima\">\n\t\t\t\t\t\t\t\t\t<time class=\"article-item__date\" datetime=\"2026-02-19\">19th February 2026<\/time>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"article-item__author\">By\n\t\t\t\t\t\tPablo Elizalde<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t<\/a>\n\t\n<\/article>\n                                                                                            \n\t\n<article class=\"article-item \">\n\n\t\n\t\t<a class=\"article-item__link \" href=\"https:\/\/www.motorsportmagazine.com\/articles\/single-seaters\/f1\/schumacher-in-a-ligier-f1s-most-unlikely-testing-stories\/\">\n\t\n\t\t\t\t\t<div class=\"article-item__image article-item__image--cropped\">\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" height=\"253\" width=\"450\" alt=\"Schumacher in a Ligier? F1&#8217;s most unlikely testing stories\" title=\"Schumacher in a Ligier? F1&#8217;s most unlikely testing stories\" class=\"\" src=\"https:\/\/www.motorsportmagazine.com\/database\/wp-content\/uploads\/2026\/02\/20091201F1-0012-450x253.jpg\" srcset=\"https:\/\/www.motorsportmagazine.com\/database\/wp-content\/uploads\/2026\/02\/20091201F1-0012-450x253.jpg 450w, https:\/\/www.motorsportmagazine.com\/database\/wp-content\/uploads\/2026\/02\/20091201F1-0012-300x169.jpg 300w, https:\/\/www.motorsportmagazine.com\/database\/wp-content\/uploads\/2026\/02\/20091201F1-0012-400x225.jpg 400w, https:\/\/www.motorsportmagazine.com\/database\/wp-content\/uploads\/2026\/02\/20091201F1-0012-330x186.jpg 330w, https:\/\/www.motorsportmagazine.com\/database\/wp-content\/uploads\/2026\/02\/20091201F1-0012-165x93.jpg 165w, https:\/\/www.motorsportmagazine.com\/database\/wp-content\/uploads\/2026\/02\/20091201F1-0012-82x46.jpg 82w, https:\/\/www.motorsportmagazine.com\/database\/wp-content\/uploads\/2026\/02\/20091201F1-0012-329x185.jpg 329w, https:\/\/www.motorsportmagazine.com\/database\/wp-content\/uploads\/2026\/02\/20091201F1-0012-172x97.jpg 172w, https:\/\/www.motorsportmagazine.com\/database\/wp-content\/uploads\/2026\/02\/20091201F1-0012-200x113.jpg 200w\"  \/>\n\t\t\t\t\t\n\t\t\t\t\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"article-item__content\">\n\t\t\t<div class=\"article-item__row proxima\">\n\t\t\t\t\t\t\t\t<div class=\"article-item__tag tag tag--group\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span>F1<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t\t<h2 class=\"article-item__title article-item__title--cropped sanomat\">\n\t\t\t\t\t\t\t\t\tSchumacher in a Ligier? F1&#8217;s most unlikely testing stories\n\t\t\t\t\t\t\t<\/h2>\n\t\t\t<div class=\"article-item__excerpt\">\n\t\t\t\t<p>Alain Prost adopted a disguise; Kimi R\u00e4ikk\u00f6nen was &#8220;Eskimo&#8221;; and Ayrton Senna was bizarrely unsuccessful: the strange and secret stories of F1 drivers who tested cars they were never meant to drive<\/p>\n\n\t\t\t<\/div>\n\t\t\t<div class=\"article-item__meta proxima\">\n\t\t\t\t\t\t\t\t\t<time class=\"article-item__date\" datetime=\"2026-02-18\">18th February 2026<\/time>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"article-item__author\">By\n\t\t\t\t\t\tPablo Elizalde<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t<\/a>\n\t\n<\/article>\n                                                                    <\/div>\n                                    <div class=\"article-grid__column\">\n                                                                                    <\/div>\n                    <\/div>\n                <\/div>\n            <\/div>\n        <\/div>\n    <\/section>\n\n\n<section class=\"c-database-cats database-cats content-section\">\n    <div class=\"container\">\n        <div class=\"database-cats__content\">\n                                                                    <div class=\"database-cat\">\n                        <img decoding=\"async\" class=\"database-cat__image\" src=\"https:\/\/www.motorsportmagazine.com\/database\/wp-content\/uploads\/sites\/2\/2021\/01\/series.jpg\"\/>\n                        <p class=\"database-cat__count\">3,481<\/p>\n                        <p class=\"database-cat__title\">Championships<\/p>\n                        <a class=\"database-cat__view proxima\" href=\"\/database\/championships\/\">View<\/a>\n                    <\/div>\n                                                                                    <div class=\"database-cat\">\n                        <img decoding=\"async\" class=\"database-cat__image\" src=\"https:\/\/www.motorsportmagazine.com\/database\/wp-content\/uploads\/sites\/2\/2021\/01\/results.jpg\"\/>\n                        <p class=\"database-cat__count\">20,064<\/p>\n                        <p class=\"database-cat__title\">Results<\/p>\n                        <a class=\"database-cat__view proxima\" href=\"\/database\/races\/\">View<\/a>\n                    <\/div>\n                                                                                    <div class=\"database-cat\">\n                        <img decoding=\"async\" class=\"database-cat__image\" src=\"https:\/\/www.motorsportmagazine.com\/database\/wp-content\/uploads\/sites\/2\/2021\/01\/drivers.jpg\"\/>\n                        <p class=\"database-cat__count\">26,012<\/p>\n                        <p class=\"database-cat__title\">Drivers<\/p>\n                        <a class=\"database-cat__view proxima\" href=\"\/database\/drivers\/\">View<\/a>\n                    <\/div>\n                                                                                    <div class=\"database-cat\">\n                        <img decoding=\"async\" class=\"database-cat__image\" src=\"https:\/\/www.motorsportmagazine.com\/database\/wp-content\/uploads\/sites\/2\/2021\/01\/team-driver-image.jpg\"\/>\n                        <p class=\"database-cat__count\">14,815<\/p>\n                        <p class=\"database-cat__title\">Teams<\/p>\n                        <a class=\"database-cat__view proxima\" href=\"\/database\/teams\/\">View<\/a>\n                    <\/div>\n                                                                                    <div class=\"database-cat\">\n                        <img decoding=\"async\" class=\"database-cat__image\" src=\"https:\/\/www.motorsportmagazine.com\/database\/wp-content\/uploads\/sites\/2\/2021\/01\/circuits.jpg\"\/>\n                        <p class=\"database-cat__count\">929<\/p>\n                        <p class=\"database-cat__title\">Circuits<\/p>\n                        <a class=\"database-cat__view proxima\" href=\"\/database\/circuits\/\">View<\/a>\n                    <\/div>\n                                    <\/div>\n    <\/div>\n<\/section>","protected":false},"author":849,"featured_media":0,"menu_order":0,"template":"single-database.php","tags":[37090],"championship_type":[602],"series":[43],"championship_group":[252],"season":[687],"race_winner":[7099],"class_list":["post-2989","championship","type-championship","status-publish","hentry","tag-1973-usac-stock-car-championship","championship_type-usac-stock-car-championship","series-aaa-usac-stock-cars","championship_group-nascar","season-687","race_winner-butch-hartman"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.4 - 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