{"id":866586,"date":"2026-08-24T10:54:13","date_gmt":"2026-08-24T10:54:13","guid":{"rendered":"https:\/\/www.newsbeep.com\/au\/866586\/"},"modified":"2026-08-24T10:54:13","modified_gmt":"2026-08-24T10:54:13","slug":"supercars-news-toyota-supercars-revert-to-a-spec-engine-for-ipswich-test","status":"publish","type":"post","link":"https:\/\/www.newsbeep.com\/au\/866586\/","title":{"rendered":"Supercars news: Toyota Supercars revert to A-spec engine for Ipswich test"},"content":{"rendered":"<p>\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" width=\"1920\" height=\"1280\" src=\"https:\/\/www.newsbeep.com\/au\/wp-content\/uploads\/2026\/08\/Supercars-QueenslandRaceway-PreEvent-034-1.jpg\" class=\"sc-hero-img\" alt=\"Toyota Supercars revert to A-spec engine for Ipswich test\" decoding=\"async\" loading=\"eager\"  \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\tB-spec engines were fitted to four Supras last Thursday. <\/p>\n<p>That is the outcome of a detailed investigation into the failure of Chaz Mostert\u2019s B-spec engine during Sunday\u2019s race in Ipswich.<\/p>\n<p>The engine was stripped down at the Supercars engine shop in Brisbane today with a bottom end bearing identified as the issue.<\/p>\n<p>As such, the four Supras that ran the B-spec engine over the race weekend \u2013 those driven by Mostert, Ryan Wood, Andre Heimgartner and Cam Hill \u2013 will switch back to the A-spec for tomorrow\u2019s all-important pre-enduro test.<\/p>\n<p>That will allow Walkinshaw TWG Racing and Supercars to inspect the bearings on the other three engines, with the plan to have all five Supras back in B-spec by The Bend next month.<\/p>\n<p>\u201cWhile these things shouldn\u2019t happen, within 16 hours of the race yesterday we had the engine stripped, root cause identified and way forward implemented which is a credit to our staff, and to Supercars as well who have worked alongside us on it,\u201d said Walkinshaw CEO Bruce Stewart.<\/p>\n<p>\u201cIt was a real positive element of a challenging situation.<\/p>\n<p>\u201cReturning to the A-spec engines for tomorrow is a precaution, as we inspect all B-spec engines, but it\u2019s important to note that this was not valve-train related, the area that was updated for this event.<\/p>\n<p>\u201cAll GR Supras on the grid at The Bend 500 will have a B-Spec engine fitted, as planned.<\/p>\n<p>\u201cWe will continue to work around the clock to increase the reliability and engine<br \/>strength as we head into the endurance season. The work hasn\u2019t, and won\u2019t stop.\u201d<\/p>\n","protected":false},"excerpt":{"rendered":"B-spec engines were fitted to four Supras last Thursday. That is the outcome of a detailed investigation into&hellip;\n","protected":false},"author":2,"featured_media":866587,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[107506,42144,42483,99543,43,107503,44,40248,12357,41,39,42,40,238451],"class_list":["post-866586","post","type-post","status-publish","format-standard","has-post-thumbnail","category-headlines","tag-andre-heimgartner","tag-brad-jones-racing","tag-cameron-hill","tag-chaz-mostert","tag-headlines","tag-macauley-jones","tag-news","tag-ryan-wood","tag-slot1","tag-top-news","tag-top-stories","tag-topnews","tag-topstories","tag-walkinshaw-twg-racing"],"_links":{"self":[{"href":"https:\/\/www.newsbeep.com\/au\/wp-json\/wp\/v2\/posts\/866586","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.newsbeep.com\/au\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.newsbeep.com\/au\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/au\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/au\/wp-json\/wp\/v2\/comments?post=866586"}],"version-history":[{"count":0,"href":"https:\/\/www.newsbeep.com\/au\/wp-json\/wp\/v2\/posts\/866586\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/au\/wp-json\/wp\/v2\/media\/866587"}],"wp:attachment":[{"href":"https:\/\/www.newsbeep.com\/au\/wp-json\/wp\/v2\/media?parent=866586"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.newsbeep.com\/au\/wp-json\/wp\/v2\/categories?post=866586"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.newsbeep.com\/au\/wp-json\/wp\/v2\/tags?post=866586"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}