Fuel Cut Off Manual IS Question and a Top End Run with WRX.
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Originally posted by flipside909
I think you're forgetting a big factor here. The 2ZZ-GE was designed by Yamaha and was allowed to be a high revving motor to reach its powerband. The 2JZ-GE on the other hand wasn't designed to be buried past it's redline. You have totally disregarded the idea that the I6 in your IS is not a torqueless motor that needs variable lift to gain power. The 2JZ wasn't designed, engineered or built to rev high. Period. The IS is in a different league than the Celica is. Drive it more responsibly or you'll be asking for a rebuild or engine swap sooner than you know it.
I think you're forgetting a big factor here. The 2ZZ-GE was designed by Yamaha and was allowed to be a high revving motor to reach its powerband. The 2JZ-GE on the other hand wasn't designed to be buried past it's redline. You have totally disregarded the idea that the I6 in your IS is not a torqueless motor that needs variable lift to gain power. The 2JZ wasn't designed, engineered or built to rev high. Period. The IS is in a different league than the Celica is. Drive it more responsibly or you'll be asking for a rebuild or engine swap sooner than you know it.
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IS' rev limiter is ignition controlled. The speed limiter is fuel cut.
Last edited by TRD04IS; 05-17-04 at 10:41 PM.
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