Some people who have this engine in other vehicles (trucks) have made some significant performance inroads.
From ToyotaNation website:
The Toyota 2GR-FE VVT-i 3.5-litre V6 engine chosen by the buggy’s owner, Peter Kittle, also powers Toyota Aurion, Tarago, new Kluger and RAV4 V6.
The Jimco 2000 is fitted with a pair of Turbonetic turbochargers that are each rated to 450 horsepower.
Mr Kittle has utilised several of Toyota’s 3.0-litre engines in his creations, and says the new 3.5-litre V6 has the strength to cope with the enormous horsepower it produced for the Jimco 2000.
“The new 3.5-litre engine has a very strong bottom-end, with its six-bolt main steel crankshaft which we run unmodified,” Mr Kittle said.
“The engine is pretty much bullet-proof, and our goal has been to make the power smooth and useable.”
The engine was built by Shane Wilson, owner of Shane Competition Engine Development in Mount Gambier, South Australia.
He fitted Pankyl H-beam billet con-rods, CP pistons and PSI valve springs, all made in the USA.
The Toyota cylinder heads have been extensively modified including Team Kittle’s own custom camshaft profiles, and modified exhaust valves with larger valve stems.
Sitting atop the heads is a custom-fabricated aluminium intake manifold.
The team worked with Turbonetics in the USA to calibrate the turbochargers to the Toyota’s specifications and the spread of power desired by the Kittle team.
Storm titanium 2005 Elise with carbon fiber spoiler, BWR sway bar, BOE toe links, gPan2, LidBone, sector 111 wheel studs, Grey RAC Monolite wheels with toyo R1R, Team Dynamics 1.4 with Hoosier A6/R6s, Katana2 Supercharger, ECU with 265 flash. PPE headers w/decat, CEL angle eliminator, Silent touch catback, Rear Panel Eliminator, HKS intake, V2 fuel tank, Walbro255 fuel pump. HID lights.