CLASS RACER FORUM - View Single Post - Question on 68-72 Olds type "O" Rear

Run to Rund · 11-14-2012, 11:54 AM

With OEM stuff, Olds parts had the same carrier for all "heavy duty" ratios, 3.42 to 5.00. The rear was used from late 1966 to 1970. The HD stuff wasn't readily available until 68; in 69 Olds went from 31 spline axles to 28 so the carrier side gears changed, of course.

11-14-2012, 11:54 AM	#4
Run to Rund Senior Member Join Date: Sep 2007 Location: Henderson, NV Posts: 583 Likes: 8 Liked 54 Times in 27 Posts	Re: Question on 68-72 Olds type "O" Rear With OEM stuff, Olds parts had the same carrier for all "heavy duty" ratios, 3.42 to 5.00. The rear was used from late 1966 to 1970. The HD stuff wasn't readily available until 68; in 69 Olds went from 31 spline axles to 28 so the carrier side gears changed, of course.