For this yr’s SEMA Present, Toyota is presenting the GR86 Rally Legacy Idea, which pays homage to the model’s storied rally heritage. Whereas it could 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 journey peak and chunky tyres.
Drawing inspiration from the enduring ST185 and ST205 Celica GT-4 rally autos 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 is not any imply feat, with the venture 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 might match throughout the GR86 engine bay, it nonetheless wanted to create a customized subframe and engine mounts to achieve the clearance required. So as to add to the issues, incorporating the hubs, spindles and axles from the GR Corolla to get energy to the entrance wheels necessitated important modification of the entrance suspension, which function customized coilover dampers and bespoke management arms. Even the steering rack wanted adjusting for correct really feel and clearances.
On the again, Toyota’s staff 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 verify the engine runs correctly, a race ECU was put in to make sure well timed gasoline supply, spark timing, increase management and sensor monitoring. A efficiency intercooler to relax the consumption cost, and an oil cooler to scale back engine oil temperatures had been additionally put in. Toyota says that whereas the outputs are 300 hp and 370 Nm, there may be the potential for these numbers to be elevated with additional tuning.
With the mechanical work out of the best way, the staff then targeted on aesthetics by portray the automotive Halo White, accompanied by touches of crimson and inexperienced as a nod to its basic rally vehicles. The GR86 additionally will get Toyota Gazoo Racing logos, giant crimson 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, crimson 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, stated 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 automotive come to life, our approach of celebrating our previous achievements and the potential of the World Rally Championship making a return to america,” he added.
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