Not ECM related...

[Programmer]

Did it also have the plastic roller lifter retainers ? Plastic timing cover
?
I'm starting to wonder if these were newer than '97 <g>...

Lyndon.
----- Original Message -----
From: Shannen Durphey <shannen at grolen.com>
To: <gmecm at diy-efi.org>
Sent: Monday, July 16, 2001 6:08 PM
Subject: Re: Not ECM related...


> ????
> Roller lifter, roller cam, definitely.  Balance shaft should have been
there.
> Even saved a few of the lifters from the core engines.  Anything w/ low
mileage
> got sent back with flat tappets and longer pushrods onna roller cam.
They're
> just going to be thrown away anyway. Might as well use them in a few
project
> engines.
>
> Hmm.. adjustable rockers...  I'm trying hard to remember.  I'll keep
thinking
> about that one.  I know the early 97's had troule w/ valve seals, and I
had to
> pull the dang valve covers on a few not yet delivered s-10's.
>
> Shannen <still thinking>
>
> Programmer wrote:
> >
> > That's weird--all the ones we've had up here have got the screw in studs
> > <g>...
> > Did yours have adjustable rockers ? These were all roller lifter, roller
cam
> > with a balance shaft.
> >
> > Lyndon.
> > ----- Original Message -----
> > From: Shannen Durphey <shannen at grolen.com>
> > To: <gmecm at diy-efi.org>
> > Sent: Monday, July 16, 2001 4:54 PM
> > Subject: Re: Not ECM related...
> >
> > > AFAIK, I've never seen a factory production 4.3l head w/ screw in
studs.
> > I've
> > > had a few 96 and 97's apart. ; )
> > > Shannen
> > >
> > > Barry Tisdale wrote:
> > > >
> > > > Does anybody know if the 1996 Vortec heads for the GM 4.3L V6 have
press
> > in
> > > > or screw in rocker studs?
> > > >
> > > > Thanks - Barry
> > >
> >
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