YS with 3.90 axle is wild
can call that apect rare or low production.
None of the plants "seemed" to follow the EUN posting on Billing History on 68 models until around Dec. Even at that - a couple went to using all 0's in their posting when they did start posting them.
But consider we don't how many BHC's versions were recorded at PMD - as in how many versions of the same document were filed. As in - some version of the same time frame of the document might have it supplied on every car. Where as the particular version we actually get from PHS in some instances has no EUN data or all 0's.
for instance - these documents :
i have a July 5th Baltimore GTO with EUN
then a July 15th Baltimore GTO with all 0's
Inconclusive.
Was likely transcribed to record on all of them by some means or another.
At minimum.
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