Re: larifying info: Vortec 8 bolt to 12 bolt conversion

[Shannen Durphey <shannen@grolen.com>]

Shannen Durphey wrote:
> 
> Brent Obermiller wrote:
> >
> > Anyone using Vortec heads w/ an old style intake manifold?
> >
> > 1.)first and most important can you recommend an intake
> > gasket? (the Vortec ports seem to be taller)
> >
> > 2.)Any tips/comments on drilling and tapping the holes?
> >
> > -Brent
> I spent a bunch of time marking a set of these heads for drilling and
> tapping.  The prick marks are still in the heads, which came back from
> the machine shop undrilled.  I recieved the new Nascar style intake w/
> 8 bolt pattern yesterday.
> 
> All said and done, the intake manifold is not wide enough to fit
This should say "...12 bolt intake...."

> properly between the heads.  When trying to use it with gaskes alone,
> the top of the port in the head is high enough so I had only 1/16"
> clamping surface for the gaskets.  There was a thread a few weeks ago
> with some links and info about making spacers to use with a 6 cyl
> Vortec conversion.  Honestly, the intakes aren't too many dollah.  I'm
This should say "... 8 bolt intakes..."
Shannen

> using the Edelbrock dual plane on my Chevelle, and the Nascar style
> unit will go on a circle track car.  There's also some intakes
> available in the marine market, if you're willing to do some
> searching.
> 
> Shannen
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