Dome building more Mother Chassis for GT300

The Mother Chassis platform was introduced in 2014 as a low-cost, open-ended alternative to the FIA GT3 category cars that have dominated Super GT’s GT300 class in recent years. With massive jumps in performance from the start to the end of 2015, and again from the end of last year all through 2016, the viability of the Mother Chassis cars continues to be proven on the track.

So naturally, Dome, the leading Mother Chassis constructor in Super GT, is building more of them to meet the increased demand.

“Proliferating Mother Chassis!” was the cry from Dome’s official Twitter account, revealing a new monocoque in their shop in Maibara.

Dome’s Toyota 86 MC is currently fielded by VivaC Team Samurai, Team Upgarage with Bandoh, and Team Mach. Team Samurai is the most successful of the three, with one win, three podiums, and three pole positions since the VivaC 86 MC was introduced last year. Takeshi Tsuchiya’s team currently sits second in the GT300 championship.

It may be a while before we know where this new Mother Chassis concept will be shipped to, be it an existing GT300 team, or a prospective new entry.


It will be powered by a GT-Association (GTA) badged 3.4 litre V8 engine derived from the previous generation of Nissan GT500 engines, but it won’t be long before that changes as well.


In the July 2016 issue of Racecar Engineering, deputy editor Sam Collins had an interview with GTA president Masaaki Bandoh, who confirmed that there is only enough supply remaining of the GTA V8s for two new teams.

Bandoh confirms that discussions have been long underway to find a new OEM engine for the GTA to supply MC platform teams. For now, the GTA V8 will be the powerplant of choice.

Dome has also been in the news elsewhere in the racing world, as they’ve submitted a chassis tender for the 2018-19 FIA Formula E Championship. If their radical design beats out those from incumbent Dallara and TEOS, it may appear on a street circuit near you!

It’s great news all around for proponents of the Mother Chassis platform, and we’ll surely know more about this new car’s destination in the weeks and months to come.


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