[Shotimes] random knocking noise from timing chain area

[G Kerby Haltom]

When I put the engine that had been sitting around for several years in  mine, they knocked horribly for a few minutes.  Then they quieted  down, and have stayed that way for about 3 years now.
  
  Kerby

fwhittle@mindspring.com wrote:  Thanks for your input.  I did use the screwdriver trick and heard the noise from
the front cover but not the rear.  I could actually feel the knocks a little bit.
Krazy George mentioned his chains made noise only when the car had sat for a while,
which makes sense in my case because mine had sat undriven for over a week when 
I noticed the noise.  Usually I drive it every day.

Frank


-----Original Message-----
>From: Leigh Smith 
>Sent: Mar 27, 2006 1:41 PM
>To: fwhittle@mindspring.com, shotimes@autox.team.net
>Subject: Re: [Shotimes] random knocking noise from timing chain area
>
>Frank;
>If you can borrow a real mechanics stethascope you can be sure. Or a
>screwdriver will help some, to pinpoint the noise location.
>There is a wear issue with the timing chains. Some have replaced the chains
>and some the tensioners, and only some people got satisfactory results.
>Based on my prior motorcycle experience, I'd bet the gears wear just as much
>as the chain itself. And I know of no-one who has replaced those. I had the
>unique opportunity to compare a brand-new Ford factory crate motor alongside
>my 100k mile 94 with noisy chains. The 94 chains had soo much slop, (over
>1/2 inch) that they maxed out the travel of the chain tensioner, and were
>still loose, especially the rear one. The brand new motor is almost whisper
>quiet in the chain area.
>Lee
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