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Discussion Starter #1
now my celica has vvt-i like honda and so on with veriable timing

does the new supra tt have vvt-i on the turbo models and if not what would the gain to loses with adding it? I know the just cause for vvt but there are turbo honda's and celica's alike that depend on this for mass gains and racers say it gives them an edge

let me know thanks
 

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SEARCH.

There are many threads on this.

But to answer your question, only the 98 non-turbo utilized the VVT-I and it gained 5 hp to equal 225hp.

Apparently, there are no gains to adding the VVT-I over the regular 2jz-gte block. At least, not worth the money pulling the original motor and installing the VVT-I.

Joe
 

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The only place I have *seen the VVT-I utilized on a turbo Supra was in Australia. However, I do not know the result from that excursion.
 

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Search. This has been covered dozens of times, several of them by me.

Short answer: No, it's not worth it. VVT-i, much like VTEC and the other spinoffs, is an emissions control and fuel economy device, although marketed as a performance system.

It's not, and you don't need it. If you want power, add boost.
 
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