[Fot] Distributor Retard

[Larry Young <cartravel@pobox.com>]

This is not a racing question.  I'm sure the ignition retard is often 
disabled on 6 cylinder Triumphs.  Does anyone know why it was used in 
the first place?  I have always thought it was strictly for emissions, 
which became more restrictive in 1968.  Perhaps it improves combustion 
at low throttle such as when decelerating or when descending a hill.  
Just curious.
- Larry
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