Not ECM related...

[Shannen Durphey]

????
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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