MyOldRide Account | OldRide Store | Support | Site Map

OldRide Answers Home Using OldRide Answers Ask a Question   Browse Questions In: AMC Buick Cadillac Chevrolet Chrysler Dodge Ford Lincoln Mercury Oldsmobile Packard Plymouth Pontiac Studebaker Volkswagen Other Makes Classic Trucks  General Topics General Questions Help Identify Classic Car News General Restoration Vehicle Maintenance Site Suggestions & Comments            Search Questions:    miike45      About a 1977 Olds Cutlass Supreme I have a 77 Cutlass Supreme. I am getting ready to put in a big block cheyy. Will I have any problems? My question is: What is the OEM rear end ratio, Would it be posi-tract, Is it a 7.5 or 8.5 inch, and how many splines on the pinion. Any help appreciated. It has a 350 motor and th350 transmission. Thanks,,,,, Mike posted: February 12, 2008       Answers (2)   dougs442      Better off going BB Olds help value as well, but it has a 8.5-rear, and most likely have an open rear with 2.41 gears. but limited slip was an option. sources: http://www.73-77olds.com/ posted:  February 14, 2008   dougs442      Mike, they are 8.5's, not sure spline, and it'll probably be 2.41 gears. if it's a posi it'll have a tag on rear cover posted:  June 25, 2008

Home | Classifieds: Vehicles / Parts | Sell on OldRide | Rusty Rides | OldRide Answers | Events | Clubs Library | Car & Truck Resources | MyOldRide Account | Support | OldRide Banners | Car Photos Copyright © 2013 Internet Brands, Inc. All rights reserved | OldRide Support | Terms of Use | Classified Guidelines | Privacy Policy | Cookies