This is just a thought, but do you hear it at the top end when shifting, or
just when
your traveling at 60 mph?
I'm thinking rod bearings even though your oil pressure's good.
Steve
----- Original Message -----
From: "Charles Culver" <sculver@iwl.net>
To: "oletrucks list" <oletrucks@autox.team.net>
Sent: Tuesday, November 07, 2000 5:55 PM
Subject: [oletrucks] Loud engine noise
> My engine ('59 model 235) runs great, keeps good oil pressure, never runs
> hot, plenty of get up and go. But I notice a loud roar from the engine
that
> hasn't been there before, loudest at about 60 MPH. Actually 60 is about
as
> fast as I drive anyway.
>
> It seems to be coming from right inside the valve cover, as near as I can
> tell when I'm parked with the hood up. I pulled the valve cover, no
> excessive tappet noise, oil circulation is good, and I can't seem to
> pinpoint it. Almost sounds like an exhaust leak or something, but I can't
> find any sign of one. Anyone have any ideas? Something between a loud
> rattle and a roaring sound, if that makes any sense.
>
> Thanks!
>
> Smokey Culver, League City, Texas
> '50 3600 5-window (mine)
> '58 Apache (hers)
> See 'em at: http://sites.netscape.net/ChrlsCul/homepage
>
>
>
>
> oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959
oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959
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