What it approves
Operation on leaded and unleaded automotive gasoline, 91 minimum antiknock index (RON + MON)/2 per ASTM Spec D-439. Intermixing with aviation gasoline also approved.
What the certificate says
From the PDF’s text layer, without the form’s printed wording. Layout and order may differ; the PDF is the record.
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ADs that name this STC · 0
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No AD in this release names this STC