Bronco Full Size L6-300 4.9L (1987)
Reason For
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The engine in your E-150 was produced with a mis-stamped ignition
The Decal:
timing pointer. This timing pointer will cause incorrect ignition timing if the numbers stamped on the pointer are used
when readjusting the timing. Engines that are not timed properly may experience spark knock with potential for engine
damage.
Why The Decal
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Your engine was properly timed when it was produced. Reliance on
Is Enclosed:
the timing pointer for future adjustments may result in incorrect engine ignition timing. The enclosed decal provides
instructions on how to properly readjust the ignition timing of the engine.
What You
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Please affix the decal to your E-150 in the location shown on one
Should Do:
side of the enclosure. If you prefer, your Ford dealer will affix the decal.
On the other side of the enclosure you will find the Ford Customer Information announcement. This system provides information on programs such as
the program described in this letter and other information that may be of interest to you.
