Holley 4.3 Manifolds

[jkooser at impsat.com]

WATCH IT Bruce!  You're going to blow my cover.  My mom thinks I work for
the Taco Bell tech support line. 

Jake Kooser
Field Engineer
Impsat USA
Tel: 1-954-779-7171, Ext. 3250
jkooser at impsat.com


> -----Original Message-----
> From: owner-gmecm at diy-efi.org 
> [mailto:owner-gmecm at diy-efi.org]On Behalf
> Of Bruce Plecan
> Sent: Wednesday, January 10, 2001 2:37 PM
> To: gmecm at diy-efi.org
> Subject: Re: Holley 4.3 Manifolds
> 
> 
> 
> I lost all respect for Holley when the tech support can only 
> read back to
> you what their written manuals say.   They have no useful 
> info., as far as
> I'm concerned.   I could imagine a Tech support line for Taco 
> Bell having as
> much good info., for like what to do with a cracked shell taco.
>    Rating TBs by injector size, and calling it CFM, is just 
> silly in my
> book.
> Bruce
> 
> 
> 
> 
> > 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.
> > _________________________________________________________________
> > Get your FREE download of MSN Explorer at http://explorer.msn.com
> >
> > 
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