WebApr 17, 2013 · Six rib cases will be found on '57 and '58 rearends, '59-64s have seven ribs. Housings with leaf springs were used under Pontiac and Olds in 1957 and Olds only in 1958-60; Pontiacs had coil ... Web8.2″ BOP Rear Axle – Differential Parts Catalog Click Page to Enlarge Additional Components For GM 8.2 Buick Olds Pontiac (B.O.P.) Limited-Slip Differentials Automatic Locking Differentials Selectable Locking …
Markings on the pinion gear?? - Hot Rod Forum
WebVisual Differential Identification. Without an ID tag, differentials are identified by the number of cover bolts, the distinctive shape of the cover, the number of ring gear bolts, and ring … WebAug 28, 2011 · The Olds 8.5 rear end, It is known as the "O" axle and was used in the Olds Cutlass from around '68 to the early '70s. It has a 12 bolt cover and 10 bolts in the ring gear. ... The BOP 8.2 10 bolt was used by Buick, Olds and Pontiac (BOP) and has a 27 spline pinion shaft and a 8 1/4 inch ring gear. The axles have 28 splines, but are not the ... launchfalconbookmark 1439839
Differentials Yukon Gear & Axle
Webpontiac rear end decoder year ratio open posi model notes: 1964 3.08 d d gto reg brakes 1964 3.23 k k gto reg brakes 1964 3.23 l l gto hd metallic brakes ... 455 ho only(c-type axle) 12 bolt 1970 3.36 cok col fb 1970 3.55 cow cox fb 1970 3.55 wv xv gto 455 ho only(c-type axle) 12 bolt 1970 3.55 wh xh gto auto/manual ... WebSep 24, 2024 · Oldsmobile's 12-bolt 8.5-inch rear assemblies were used in 1967-'70 Cutlass and 4-4-2. These differentials used a 12-bolt cover; the pinion is a 1.625-inch unit and has a 27-spline shaft. There were two 8.5 … WebMar 25, 2016 · The KC code identifies it as a 1974 rear axle assembly with a 3.08:1 rear gear ratio. You didn’t identify the number of bolts on the cover. It could be a 10- or 12 … justice neil gorsuch political party