If this thing has roller rockers I would start looking at them...
Dave
Keith Turk wrote:
>
> How bout the Distributor Drive Gear Pin? Pull the Distributor and check the
> gear at the bottom... if Half that pin is gone it might still run for a
> while before it lost timing.
>
> Keep in mind that gear is also driving the shaft for the Oil pump.... and if
> the gear shears the oil pump will quit spinning as well.... not that it will
> matter.... as the timing goes wacky the motor is going to Stall....
>
> Just my guess.... Keith
> ----- Original Message -----
> From: "ghalvorson:First ghalvorson:Last" <ghalvorson@earthlink.net>
> To: <land-speed@autox.team.net>
> Sent: Tuesday, November 07, 2000 1:04 AM
> Subject: Whatizit and Whereizitfrom?
>
> > List,
> > Sorry about the last message, used wrong address.
> > I have this weeks $10,000 question. What is it from?
> > After about a thousand mile break in I decided to reset the valve
> clearances
> > on my big block cheby motor, just to check things out. Under the cover,
> > laying next to the valve cover rail, on the lower side, between cyl #6 and
> > cyl #8 is a piece of metal. It is something that has clearly broken off
> > from something. It is a cylindrical shaped solid steel pin, .310" in
> > diameter with the good end having the edge just slightly beveled. Just
> > enough to take away the sharp corner and being flat on the end. The other
> > end has a diagonal break with the long side of the pin having a total
> lenght
> > of .580". The short side is about .430" long. The break is clean and
> > pretty flat. It looks like a dowel pin of some kind that has sheared off.
> > There is a definate wear mark on about .480" of the pin. As if it were
> > inserted into something. When I first saw it I thought of the locating
> pin
> > on the end of the camshaft. It may be. I can't think of anything else in
> > the motor that has a round pin like this. The engine runs fine, is really
> > strong throughout the RPM range. How would it get up under the valvle
> > cover? Any thoughts out there on where it's from and how will it affect
> the
> > longevity of the motor?
> > Gene H
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