Even on the race R16s, spinning up to 8000 rpms, we never had a timing
chain jump.
back to basics, set the valve clearance, set the ignition timing, then
work on the carbs.
Paul
Ohio
On Wed, Nov 28, 2012 at 3:32 PM, Pete Peters <ppeters914@comcast.net> wrote:
> According to Roy, the head was rebuilt at 5k; the motor at 20k (was the
> timing chain/gears replaced at that time?). Engine was running fine up
> until
> a few hundred miles ago, then slowly deteriorated.
>
> Wouldn't a timing chain jumping be instantly noticeable? And, while
> possible, has anyone experienced a 1600 timing chain jumping? Isn't that
> more likely in the OHC engines (U20, L-series)?
>
> My money is on something more simple like floats and/or exhaust/vacuum
> leaks.
>
> This has been a fun thread. Eagerly awaiting the resolution!
>
>
> Pete
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