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73-87 Chevy _ GMC Trucks => Engine/Drivetrain => Rear Drivelines, Drive Axles and Gearing => Topic started by: Tonkatrucksryan on January 12, 2016, 04:25:26 pm

Title: Help with me Rear Axle
Post by: Tonkatrucksryan on January 12, 2016, 04:25:26 pm

 I have no idea what I have for a rear axle.  I just know that there are 12bolts.   I have a 1978 C10 LWB Bonanza

Thank you
   Military Mike

Title: Re: Help with me Rear Axle
Post by: AZ87V10 on January 12, 2016, 07:28:12 pm

Then you have a Corporate GM 12 bolt rear end. It will be a 8 and 7/8 inch ring gear on the inside with any number of options in gear ratios.