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Re: Checked the bad cylinder and.... HELP!?!?!?

To: <datsun-roadsters@Autox.Team.Net>,
Subject: Re: Checked the bad cylinder and.... HELP!?!?!?
From: <gerardomagana@sbcglobal.net>
Date: Sun, 21 Nov 2004 21:38:02 -0800
Daniel, The most prudent thing to do is to tear it down, inspect and 
rebuild.  I am sure this is not what you wanted to hear.
Good Luck,
Gerardo

> Hello All,
> Got the okay from SWMBO to spend the afternoon checking the car out.
> I pulled the spark plugs first and they all looked good maybe like I'm
> running a little rich.  Then I popped the valve cover and found this....
> www.madmadscientist.com/intakevalve.jpg
>
> This was not what I was expecting to see... The rocker arm/follower for 
> the
> intake valve on #2 was sitting off to the side!?!?!?!?!!?!? The little 
> round
> slotted disk that sits on top of the valve and keeps the follower in place
> was missing??  I looked all around the head?  Where could it of gone?  I
> peeked in thru the spark plug hole and saw a piece of something sticking
> out.  It looks like that slotted disk thing (what the hell is it called
> anyways??) somehow worked its way down and is caught by the intake valve. 
> I
> could move the piece a little bit but I can not pull it out.  I tried to
> compress the valve spring by turning over the engine(by hand) hoping the
> thing would drop out so I could grab it with a magnet but no luck.  I 
> think
> I just managed to rotate it around and I can not see it anymore.
> But if you look at the picture the valve stem is lower than the intake 
> valve
> next to it so I think it must be stuck in their somewhere.
> What do I do know??
> Should I pull the head off and look around?
> From the sparkplug hole I can see some small marks/gouges on the piston 
> top
> from my piece of mystery metal. They are not big but  how bad can they be
> and not require a new piston??
> Before this fateful ride there were no weird noises when I started the car
> up and it idled and ran fan.  It seems like my valve clearances would have
> to be WAAAY out for that slotted disk thing to get away from the follower?
> I was revving the engine pretty high just before it happened would valve
> float of done this?  I have a 6000rpm limit chip in it though
> Is there any hope that I can still fix this cheaply? Like pull the head
> gently buff out the gouges in the piston and reassemble?  The valve seat 
> is
> probably tore up?
>
> Help!!!
> Daniel Neuman
> Oakland CA
> 69 2000






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