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IS 430 Project
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  Lexus IS 430 Project

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Country of origin:Japan
Produced in:2003
Introduced at:2003 SEMA
Source:Company press release
Last updated:Before December 1st, 2004
Download: All images
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Click here to download printer friendly versionLexus unveiled a one-off example today of its IS 300 luxury sport sedan powered by a 4.3-liter V8 engine from a Lexus GS 430. Seeking to demonstrate the potential of the IS 300, Lexus commissioned Rod Millen Special Vehicles (RMSV) to build the car. The resulting 'IS 430' was completed just one week before its 2003 SEMA debut at Millen's shops in Huntington Beach, Calif.

The concept direction from Lexus required that handling be matched to the high-powered V8 while maintaining reasonable ride comfort and noise levels. TEIN springs and 16-way electronically adjustable shock absorbers work with the original IS 300 front suspension in addition to selected GS 430 rear suspension components, which help ensure durability against the higher torque of the 4.3-liter V8. Large, sticky Michelin Sport Cup tires on 18-inch Speed Star ssR alloy wheels put the power to the ground. A similar approach was taken with the cooling system and brakes. A GS 430 radiator was fitted to provide ample cooling for the high-output engine. Large Brembo brakes with vented, cross-drilled rotors and four-piston aluminium calipers are there to arrest the newfound acceleration and speed of the IS 430.

RMSV's engineering team met the challenge with expertise developed through years of successful racing and building special vehicles for military and automotive clients. They focused on designing the electronics interface while simultaneously working through the mechanical conversion and enhancements. Numerous parts were specifically fabricated for the IS 430 including stainless steel exhaust headers and dual exhaust system, transmission adaptor, engine and transmission mounts, air intake system, wire harnesses and fluid connectors.

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  Article Image gallery (6) Specifications User Comments (3)