Chrysler has a variable valve timing V8 coming out that also includes a variable runner manifold:

http://www.auto123.com/en/news/car-news/a-peek-inside-chryslers-new-hemi?artid=96507

GM has been doing it for awhile and have Vortec auto motors scheduled with variable cam timing:

http://prod.gm.gmgssm.com/experience...LY6_Marine.pdf

And Ford? Well, we're stuck with the blasted modular motors in NA that don't even have the high end valve timing and intake tricks import DOHC V8s have.

______________________________________
Ron Earp
74 #38 SCCA ITS 260Z
72 Ford Torino 351CJ Four Speed
67 Ford Powered Lola T70
04 Ford Lightning
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