VVT-i cam conversion?

Does anyone know if you can replace older Toyota cams with the new VVT-i
cams instead of replacing the entire engine? This refers specifically to
the 2.7L 4-cylinder in Tacomas. Did they change the whole engine
configuration or just the cams, plus controllers?

Ron

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Ron wrote:[color=blue]
> Does anyone know if you can replace older Toyota cams with the new VVT-i
> cams instead of replacing the entire engine? This refers specifically to
> the 2.7L 4-cylinder in Tacomas. Did they change the whole engine
> configuration or just the cams, plus controllers?
>
> Ron[/color]

The cams will have different profiles, the head will contain mechanisms
for changing the timing of the cams. If you're looking to throw in any
old cams to replace a damaged one it *may* work. If you're looking for
performance gains you wont get any, tis a totally different setup that
requires all the controller hardware and mechanisms, and a different
head.

J