I've gotta think you're on the right track with the lifters. How
about a cold compression test to narrow it down?
Paul L.
63 Sport Fury
On Sep 29, 2:55 pm, MO <mic...@xxxxxxxxxxxxxxx> wrote:
> This is on my 383 with radical cam, touchy carb open headers. I got
> my out of bores lifters and oil presure fixed. When I first start the
> engine, theie is some fairly loud upper end clatter and an un- even
> exhaust. with some popping . After it gets warmed to full operating
> temp most of the upper noise is lessend. and the exhaust sounds
> better.
>
> In all my time, I have never experienced a collapsed liter. But I
> suspicion that is what is going on.. I gave it the Rislone treatment,
> but it has not run long enough or enough time to work.
>
> Once a lifter has collapsed . can it pump itself back up in time
> and not need to be replace? Could the noise be something other than a
> lifterr? ( The rocker assembly is ok.- cam lobes seem to be ok) I
> like to see any input...............Thanks...................MO
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