Toto Proven RIGHT as FIA Rule Deadline Hits | F1 News

Video summary

Tonight on F1 Grandstand, it is your Sunday night F1 news and the headline is huge: Toto Wolff was right as senior insiders confirm Mercedes engine legality amid the compression ratio storm. With the Formula 1 homologation deadline here, we break down what the FIA checks mean for Mercedes, McLaren, Williams and Alpine, plus what changes when hot temperature testing becomes the standard. Tony Craig has the latest Formula 1 News.🔔 SUBSCRIBE: https://www.youtube.com/@F1Grandstand?sub_confirmation=1 We also cover the critical 2026 deadline details, why the new rules matter heading into Monaco, and what happens next as the FIA reviews power unit, turbo, electronics, energy store and fuel submissions. Then we get into Bernie Collins calling Aston Martin a “new team” and why that comparison to Cadillac does not sit right, plus fresh talk of Aston Martin offering Christian Horner a leadership role alongside Adrian Newey. Finally, we round up Monaco’s two stop rule being dropped and Carlos Sainz admitting Williams had a complicated winter, including the big question: can they fix the weight problem fast enough? If you love daily F1 news, straight talking Formula 1 debate, and the biggest F1 stories explained, subscribe to F1 Grandstand, smash the like, and hit the bell so you never miss a show. Comment below: do you think the FIA hot test will catch anyone out, and who is the real 2026 power unit threat? Chapters 00:04 Intro and tonight’s headlines 01:11 Toto was right and Mercedes engine legality 03:29 Hot test timeline and why June matters 05:12 BBC Sport angle and FIA testing details 07:37 Who could fail the hot test? Ferrari, RBPT, Honda? 09:03 Plank wear chat and why it still matters 13:12 Homologation deadline explained 15:49 What manufacturers must submit to the FIA 17:54 Honda concerns and development allowances 22:01 Bernie Collins on Aston Martin as a “new team” 26:19 Why Cadillac comparisons are unfair 34:52 Aston Martin offered Horner a leadership role 43:31 Monaco two stop rule dropped and what changes 45:25 Carlos Sainz on Williams complicated winter 51:49 Final thoughts and sign off #F1News #Formula1 #F1 #F12026 #Mercedes #TotoWolff #AstonMartin #MonacoGP #WilliamsRacing Join in with the fastest growing Formula 1 fan community in the world. All the latest F1 News from all the Formula 1 teams and races, from Monaco to Miami keep up to date right here. Have your say on the latest F1 News Now! 📧 CONTACT F1 GRANDSTAND: f1grandstandtv@gmail.com 📧 WRITER SUBMISSIONS: f1grandstandtv@gmail.com 📱SOCIAL ACCOUNTS: WEBSITE: https://www.f1grandstand.com FACEBOOK: / F1GrandstandHub X: https://x.com/F1Grandstand_ INSTAGRAM: https://www.instagram.com/_f1grandstand_/ DISCORD LINK : https://discord.gg/PKGWS2axP5