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The typical FACTORY style OEM Silhouette
is shown here with NO reference to define the adjusting plane of
"Installed Geometry."
But
of course, it was never designed to be tampered with. It was
originally designed to do one thing, under one engine, for one valve
lift, and even here under one conception of rocker arm geometry (1/3
Rule) that we don't agree with.
CLICK:
VALVE TIP
LENGTH
CLICK ILLUSTRATION for:
PVS OE Series SILHOUETTE
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