1968 PO1 caps the real deal?
I came across a hubcap, and I am puzzled about the PO1 vs PO2 again, or more correctly what is a correct PO1 cap. The early 1968 cars could have the optional PO1 cap and then, at some point, Merlin changed it to the PO2.
Until now it was my understanding that the only differences were in the Turbine of the cap. The cap was the same 15 inch one, and it's ornament was the same, araised version of the flat one seen on the Chevrolet.
The turbine on the PO1 had a larger diameter top which left a slight reveal ofabout a 1/8" or so around the base of the ornament, this design requiredthe fins of the turbine to terminate to a point. The PO2 cap's fins terminate squared off to the smaller top and meet the ornament flush.
Also,the fin on the PO1 is much shorter at the valve stem then that of the PO2. Ihave attached pictures of a PO1 cap that I acquired many years ago from anoriginal 1968 owner. They show the raised ornament, the pointed fins and the shortened fin at the valve hole.
My dilemma comes from this cap with a mid rise ornament. It is not flat like the Chevrolet, and not fully extended like the PO2, but with the same turbine characteristics. Please see attached pictures of the three caps. My PO1, thePO2 which we all know, and this other cap. Due to restrictions of posting photos, I will post the ornaments and the shortened stems and the pointed fins. Ken
Until now it was my understanding that the only differences were in the Turbine of the cap. The cap was the same 15 inch one, and it's ornament was the same, araised version of the flat one seen on the Chevrolet.
The turbine on the PO1 had a larger diameter top which left a slight reveal ofabout a 1/8" or so around the base of the ornament, this design requiredthe fins of the turbine to terminate to a point. The PO2 cap's fins terminate squared off to the smaller top and meet the ornament flush.
Also,the fin on the PO1 is much shorter at the valve stem then that of the PO2. Ihave attached pictures of a PO1 cap that I acquired many years ago from anoriginal 1968 owner. They show the raised ornament, the pointed fins and the shortened fin at the valve hole.
My dilemma comes from this cap with a mid rise ornament. It is not flat like the Chevrolet, and not fully extended like the PO2, but with the same turbine characteristics. Please see attached pictures of the three caps. My PO1, thePO2 which we all know, and this other cap. Due to restrictions of posting photos, I will post the ornaments and the shortened stems and the pointed fins. Ken
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