Disappointing article- GM updates!
https://gmauthority.com/blog/2021/05/silverado-hd-sierra-hd-powertrain-updates-incoming/ Not sure why they would publish this and not have any updates,or did I miss something here. I'm very int...
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Amazingly like the ongoing Ford 7.3 twin turbo 'report' attributed to 'Ford Authority' website, posted elsewhere on this forum. "Sources familiar" and "subscribe now" were tipoffs to me.
