For this 12 months’s SEMA Present, Toyota is presenting the GR86 Rally Legacy Idea, which pays homage to the model’s storied rally heritage. Whereas it might be based mostly on a 2024 GR86 with the Efficiency Bundle, the modifications made to the rally-inspired machine are much more intensive than simply an elevated experience top and chunky tyres.
Drawing inspiration from the long-lasting ST185 and ST205 Celica GT-4 rally automobiles of the previous, the GR86 Rally Legacy Idea underwent an entire powertrain swap to inherit the G16E-GTS engine, GR-4 all-wheel drive and six-speed handbook transmission from the GR Corolla.
Splicing two vehicles collectively isn’t any imply feat, with the challenge posing formidable fabrication challenges to shoehorn the GR Corolla’s powertrain into the GR86’s chassis. For starters, the 1.6 litre turbocharged inline-three petrol engine is taller than the inventory FA24D 2.4 litre naturally-aspirated four-cylinder boxer unit.
Toyota says that whereas the G16E-GTS may match throughout the GR86 engine bay, it nonetheless wanted to create a customized subframe and engine mounts to realize the clearance required. So as to add to the problems, incorporating the hubs, spindles and axles from the GR Corolla to get energy to the entrance wheels necessitated vital modification of the entrance suspension, which characteristic customized coilover dampers and bespoke management arms. Even the steering rack wanted adjusting for correct really feel and clearances.
On the again, Toyota’s crew changed the inventory GR86 rear finish with the GR Corolla differential and housing to keep up manufacturing facility gear ratios, electronics performance in addition to energy distribution. The GR Corolla rear axles additionally required modification to suit correctly.
To ensure the engine runs correctly, a race ECU was put in to make sure well timed gas supply, spark timing, enhance management and sensor monitoring. A efficiency intercooler to sit back the consumption cost, and an oil cooler to cut back engine oil temperatures had been additionally put in. Toyota says that whereas the outputs are 300 hp and 370 Nm, there’s the potential for these numbers to be elevated with additional tuning.
With the mechanical work out of the way in which, the crew then centered on aesthetics by portray the automobile Halo White, accompanied by touches of purple and inexperienced as a nod to its basic rally vehicles. The GR86 additionally will get Toyota Gazoo Racing logos, massive purple rally mudflaps, rally fog lamps, a customized exhaust and a Celica GT-4-inspired spoiler for that classic rally look.
Transferring inside, the idea automobile will get its inside stripped out, with solely the necessities like a white-painted full roll cage, purple racing seats and six-point racing harnesses put in. A customized dashboard, racing steering wheel and motorsport-focused controls had been additionally added in.
“The GR86 Rally Legacy Idea is a testomony to Toyota’s enduring ardour for rally racing, mentioned Michael Tripp, group vp of selling at Toyota Motor North America (TMNA). “We did this construct for our GR and Toyota Rally followers – it’s a fantasy automobile come to life, our means of celebrating our previous achievements and the potential of the World Rally Championship making a return to the USA,” he added.
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