Quote:
Originally Posted by Trifelynn
So is there a different code between the single wall top and the double wall top?
Is there a way you can tell the difference from the SPID?
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To clear things up this is from GM dated January, 1972
"
New Removable Top Assembly (RPO CC3) 1972 Blazer
A new (simplified construction) top is being offered to supplement the currently available (RPO CB8) top for Blazer models. The new top (RPO CC3) is a single skin design with three exposed interior roof rib reinforcements running from side to side, whereas the RPO CB8 top is a double skin design with inner roof panel lines running front to rear. Part numbers for the two tops are as follows:
RPO---Part No.--Color
CB8
--6262051
---Black
-------6262052
--White
CC3
--6271845
---Black
-------6271846
--White
Mounting of the new top differs from the earlier style in that attachment to the box is accomplished through floating anchors contained in the box sides (Fig.1). The top is then bolted from above making trim panel removal unnecessary.
New parts contained in the RPO CC3 top are:
* Side door glass weatherstrip and retainer (providing an adjustable weatherstrip feature).
* Thinner (1/8 inch) side glass and weatherstrip.
* Top to box weatherstrip.
* Seal and metal retainer around lift gate hinges.
* Top to box side molding and chrome plated hold-down bolts.
The lift gate and attaching parts, header weatherstrio, and header attachments are common to both tops."
Unfortunately unless you have a build (broadcast) sheet or one of the atypical SPID as mention in earlier posting you will not see the CB8 OR CC3 codes. Generally they are found only on the build (broadcast) sheet. There they indicate the conversion of the vehicle to a removable hard top. Where the generally seen SPID codes Z58 (White) and Z59 (Black) really only indicate the color and confirm a factory hardtop installation.