On Feb 4, 10:05 pm, firstname.lastname@example.org (Richard Sexton) wrote:
I know of certain 560 SEL/SEC models that had a single timing chain
that would suddenly disintegrate. Later went to the double chain,
much more reliable. Also, some of the timing chain wheels were nylon/
plastic. Also disintegrate, causing serious havoc. If you are buying
a 560 SEL/SEC, make sure the retrofit was done!
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