The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post

Rich84 · 11-09-2020, 11:16 AM

A lot can change on these trucks as they get passed on.
I had an 88 and up posi (30spline) fall in my lap. So I had to get axles to match, which came with metric studs. I also had to get a deeper drum because they were about 5/16 longer (Buick Roadmaster).

11-09-2020, 11:16 AM	#10
Rich84 Registered User Join Date: Mar 2012 Location: Woodbury, Ct. Posts: 1,668	Re: Rear brake drum question A lot can change on these trucks as they get passed on. I had an 88 and up posi (30spline) fall in my lap. So I had to get axles to match, which came with metric studs. I also had to get a deeper drum because they were about 5/16 longer (Buick Roadmaster).