Honda Performance Development president Art St. Cyr has moved to explain its IndyCar engine spec progress, following confusion over who did or did not have 2015 and 2016 engines. Following comments made by Graham Rahal at St. Petersburg about “using a 2015 engine,” and conflicting reports from engineers and drivers over which teams had or did not have a 2016-spec HPD engine in Phoenix, St. Cyr sought to clarify the status of Honda’s latest 2.2-liter V6 turbo. “Everyone has the same engine,” he told Motorsport.com, “but we are doing constant development. And according to the homologation rules, each year you’re allowed to change different parts. This year we were allowed to...
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