BX axle code?

[mockingbird812]

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: mockingbird812</div><div class="ubbcode-body">Very interesting. Nice score Jeff (altho a decades old score) [img]<<GRAEMLIN_URL>>/biggthumpup.gif[/img] <span style="font-style: italic"><span style="font-weight: bold">Would the 4.56 &amp; 4.88 gears get the hardened pinions like the COPO 4.10 rear ends? I would hope so! </span></span>[img]<<GRAEMLIN_URL>>/shocked.gif[/img] </div></div>


Sooooooo.......... [img]<<GRAEMLIN_URL>>/whistle.gif[/img] ......... anyone know if the R&amp;P were hardened in a COPO ordered '69 4.56 or 4.88 axle ratio like the 4.10 gears were in a 9561 optioned Camaro?