Re: LT5 Info.., and 1228331 stuff in general.

[Swayze <kswayze@bellsouth.net>]

so do these secondary runners feed a
second intake valve? I haven't seen this
motor up close.
byE
Mike S.

Marc Randolph wrote:
> 
> On Wed, Jan 19, 2000 at 11:11:32AM -0500, Ken Kelly wrote:
> > Marc,
> >       Let me barge into this thread and see if I understand what
> > is going on! I don't know if we all understand how the LT5
......
> Yes, you're correct - the port throttles are 8 individual
> throttle blades that are located in the heads, well
> after the fuel injectors, the runners, the [one] manifold,
> and the throttle body [working up].  Supposedly development
> engineers experimented with a multiplane manifold but
> did not see much benefit.
> 
> The secondary runners (which are non-functional when the port
> throttles are closed) have a slightly larger diameter than
> the primaries, but are otherwise the same thing (following
> the same runner path) and see the same manifold vacuum.
> 
> Have fun,
> 
>    Marc
> 
> --
>   Marc Randolph     -    mrand@pobox.com    -     PGP keyID: 0x4C95994D
>      If you have any info on the mid-60's car called the Bill Thomas
>        Cheetah, or know anyone that might, please contact me.