Holley 4.3 Manifolds

[Green]

The pic pages for these intakes on Holley's site aren't up yet. Are any of
the new intakes single plane design?  Trying to find something for my next
V6 buildup.

I have Vortec heads and i modified my stock Syclone intake to fit them.
Works well, ran 11.01 @ 125 with this setup.  Engine is for sale btw, if you
know anyone in search of a stout built V6 capable of 550-600hp.

Brian Green
Syclone 160

>
>Yesterday I noticed that Holley now offers a TBI intake manifold
>for the GM
>4.3 v6.  I called Holley tech to discuss the suitability of modifying this
>intake for use on the 4.3 "vortec" heads.  I was told not to do
>this because
>this manifold like all other Holley products is optimized for its intended
>usage.  The bottom line was this manifold was designed for the tbi heads
>with their small restrictive ports.  Therefore this manifold shouldn't be
>used with heads that flow significantly better than the tbi heads.  This
>sounded like good advise to me.  After this discussion I noticed
>another new
>4.3 intake manifold.  The 4.3 MPFI manifold (dual plane) is optimised like
>all other Holley products with a 1000 cfm throttle body.  From my
>unelightened knothole this seems a bit large.
>
>Rich V.
>_________________________________________________________________
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