Chevy 14 bolt rear end identification. Find out how to ID that swap-meet find. 5- and 8. From 1973 to 1987, GM equipped its three-quarter and 1-ton trucks with what would become known as the original Corporate 14-Bolt rear axle. Full Float has the axle hub sticking out of the drum or wheel. 3K views 8 replies 8 participants last post by boneheaddoctor Jun 7, 2017 For example, a 10 bolt axle used on a mid-60’s Chevrolet is different than the 10 bolt axle you’d find on a mid-60’s Buick, Olds, or Pontiac. When i purchased it I asked for a 67-69 Camaro axle. The BOM will identify the model number, the gear ratio, the type of axle / differential, and component parts. Positive identification of the Corporation (Chevrolet) axle versus the Dana axle is necessary for proper selection and ordering of service GM RPO Axle Code List (F) The following is a complete list of GM RPO axle codes for Chevy and GMC vehicles starting with the letter F. 1L/Allison 1000 drivetrain, GM retained 14-bolt 30-spline axle shafts and unique half-inch axle flange bolts, highlighting the legacy and strength of the original design. The 11. What sort of Truck did it come from. 2-inch Chevy 10-bolt: Look for a pair of long flat areas on the front side of each axle tube. However, the smaller 10-bolt unfairly gained the reputation as a weak […] 1973-1987 Three-Quarter and 1-Ton GM Rear Axle Identification Guide From 1973 to 1987, GM equipped its three-quarter and 1-ton trucks with what would become known as the original Corporate 14-Bolt rear axle. GM 11. Based on my calculations by jacking up the car, it has 4. 875" / 30 Ring Gear Bolts: (12) 12mm x 1. 56 gears and I would like to change to 5. If you’re wondering what kind of 14-bolt axle you have – and you’re working with a 14-bolt axle from the year 2000 or older – this guide is for you. Here are some visual indicators for different Chevy differentials: – 8. Even with the introduction of the 11. Occasionally an “F” or “H” prefix will be used when referring to Axle Identification. Detailed diagram of 14 bolt axle parts, highlighting key components, their function, and assembly for better understanding of vehicle axle systems. 10 / 4. The Chevy 10-bolt rearend has really gained in popularity since the 12-bolt has become unobtainium. Buick/Olds/Pontiac axles are typically retained with bearings. Learn how to visually identify rear axles. Our 14 Bolt Axle Identification Guide Will Help You ID Your 14 Bolt Axle – Full-Float or Semi-Float, Slide-On or Drum Mount – Quickly and Easily. When it comes to strength, value, and vast availability, the full-float 14-bolt rear axle from General Motors is about as good as it gets. For those who are not aware. ? 3. This thing has jeep body and frame with chevy 350 motor chevy 4sp manual transmission and chevy transfer case, chevy 14 bolt rear-end, dana 60 front end has new steering geer Shop RANDYS Worldwide for premium suspension, differential, and remanufactured drivetrain parts. Differential tags can easily be used to identify Dana and Ford differentials. 5" and 11. May 19, 2020 · It is most easily distinguished by its huge, uniquely shaped diff cover that is, of course, held on with 14 bolts. 75 (8 3/4) rear end LOADS FROM THE FRONT and IS THE ONLY REAR END THAT DOESN’T HAVE A REAR COVER. The rugged, reliable, and efficient Chevy 12-bolt has established itself as the preeminent rear differential for GM muscle cars since its debut in 1965. According to Chevrolet High Performance, the most common GM/Chevrolet rear ends are the 7. NOTE: If you’re more of a visual learner, check out our 14 bolt axle identification chart for a quick and easy guide. Some parts are interchangeable, some parts aren’t. 10 is 10 bolt,12 is 12 bolt and 14 is 14 bolt. Dive into the differences between GM 10-Bolt rear end specs, rear axle identification codes, and rebuild tips. Discover expert support, top brands, and performance upgrades built for strength, reliability, and adventure. Semi Float DOES NOT have the hub sticking out of the REAR AXLE IDENTIFICATION GUIDE This guide can be used to help identify your rear axle make/model. Who's Online Now 9 members (Nick in Manitou, TUTS 59, GradyB, 55shaker, TexasJim50, Otto Skorzeny, Lonnie, Hotrod Lincoln, 1 invisible), 371 guests, and 0 robots. 5" Pinion Diameter / Spline: 2. Upgrading Chevy’s rear-end gear ratio is a very technical subject and it requires a grounded understanding of the compatibility chart. ? 14 bolt year identification 1 reading Jump to Latest 7. With five versions of the GM 10- bolt, the field of options can be quite confusing. My 1983 p30 has a dually 14 bolt rear end. Very easy to tell the difference in a 14 Bolt Full Float and a 14 Bolt Semi Float. 5", 10. Check out our Visual Guide! If You Have A 14 Bolt Axle, Our Simple Identification Guide Will Help You Figure Which Type Of 14 Bolt You Have Quickly and Easily. Bought an 84 K30 CUCV 5/4 ton that supposedly has a Dana 60 upfront and a GM 14 bolt in the rear. Identify your GMC or Chevrolet rear end gear ratio by the RPO Codes, usually located on the placard labeled “Service Parts Identification” inside the drivers door panel or glove box. Learn how to quickly identify the three different variations of the GM 14 Bolt differential - the 9. Fitted with an impressive 10½-inch ring gear, three Our 14 Bolt Axle Identification Guide Will Help You ID Your 14 Bolt Axle – Full-Float or Semi-Float, Slide-On or Drum Mount – Quickly and Easily. Everything worn out and dealer says gm discontinued parts for it. The 10 bolt rear is only a 6 lug Count the number of bolts on the cover of your rear axle. I plan on ordering aftermarket stuff to rebuild if but I'm having a problem figuring out what axle I have. So my rear axle is shot. Its a semi floating off a 90's truck but I'm a little confused because when I think 14 bolt rear I think of that point the pumpkin comes to at the bottom, but this is round and shaped a lot like a 10 bolt. 0" / 30 Ring Gear Bolts: (12) 9/16"x18 RH Cover Bolts: 14 Carrier Breaks: 4. There are photo's of the rear end posted on the web site below AXLE IDENTIFICATION Chevrolet began the manufacture of their own design Front Drive Axles for use on 1/2 and 3/4 ton (K10 & K20) Four Wheel Drive vehicles. The 3/4 ton 14b's will bolt up to a 1/2 Chevy without any mods except the e-brake cables. While I believe the rear is a 14 bolt, the front looks more like a Dana 44 to me, what do you think? Chevrolet or “C” type rear ends typically have C-clips retaining the axles. However, the 10. It is also fairly easily distinguished from other 1 ton full-float rear axles by the removable pinion support, that can be clearly seen just behind the pinion yoke in the above picture. Although Chevrolet has used different rear end models throughout its history, all can be visually identified. 5" - Truck 14-Bolt Ring Gear Diameter: 10. First time poster, long time lurker. My 87 came with 10 bolt front and a 14 bolt SF rear I would bet that you have a 10 bolt front and a 12 bolt rear Both the 12 and 14 bolt SF axles come in either 6 or 8 lug axle configurations. 13 gears. The 8. The prefix for GM RPO codes relevant to Axle Identification is almost always “G”. This information should help you locate the Auburn Gear differential model appropriate for your vehicle. Get specs on Single Rear Wheel, Dual Rear Wheel, and Cab and Chassis axles 14 bolt Chevy axles. Casting codes can also be used to identify the manufacture date. 5" Pinion Diameter / Spline: 1. General Motors 14 bolt axle specs and tech. This guide includes ford rear-end identification, Dana axle identification, and common GM rear-end identification tips. NORM Code on passenger side axle reads HA0426 Other codes Nf3896838 Gm56 any help I’ve searched all the charts and no luck I have just purchased a Duallie Chevy Rear End, unfortunately It doesn't have an ID tag on it. The 1 ton 14b's have to have the spring perches relocated and the shock mounts relocated, but the e-brake cable will hook-up without any mods. Find out more about the GM 14 bolt rear end diagram, including its components and how it works. What year What Ratio could it be. These full-floating axles were designed for heavy-duty use and are widely respected for their strength, durability, and serviceability. 5" axle, commonly known as the GM "14 Bolt", is an extremely popular rear axle due to its strength, availability, and healthy aftermarket. The initial three digits represent the rear axle ratio, the following digit denotes the axle assembly build source code, and the next three digits indicate the day it was built. Traditional BOMs are 6 digits followed by 1 or 2 digits, and start with the numbers 60 or 61. 5" 14-bolt axle remains in production today, specifically utilized in GMC Savana and Chevrolet Express vans. Differential Identification using Tags & Stampings The most accurate differential identification is provided by the bottom line of the tag number or axle tube stamp. These axles have been used optionally in production with Dana design axles from 1977 thru 1980. Could you guys tell me how to identify the gear ratio in a 14 bolt? I've heard it can be found on the ring gear but I'd like to know for sure. I need to replace the pinion seal and the size doesn't seem to line up. 5" - and the differences in setup for ea 03-09-07 12:41 AM - Post# 1115037 I picked up a 14 bolt in decent condition today. GM 14 Bolt Axle Overview The GM 10. Can you locate this code? Is your primary concern determining the ratio you possess? Read the tech article on a 10-Bolt Identification Guide, brought to you by the experts at Chevy High Performance Magazine. I f yo u h ave a 1 4 b o lt ax le an d w ish to co n ver t to d isc b r ak es, ch eck u s o u t! 14 Bolt Axle Identification Guide I f you h ave a s e m i fl oat axle , you 'r e all d on e . Visual identification: If the differential has been modified or the identification tags are missing or unreadable, you can visually identify the differential. Mopar Rear Axle Identified by casting number & number of cover bolts. Drivers switch rear-end gear ratio to improve gas mileage and overall power performance. This rear axle was available in GM's high-performance intermediate cars, full-size vehicles and light-duty trucks. 5-inch AAM axle in the 2001 Silverado HD paired with the Duramax/8. . We call them G codes…look for G80, GT3, etc. Explore the compatibility of various Chevy rear end assemblies with our detailed Chevy Rear End Compatibility Chart. When looking at a 12-bolt rearend, it is important to know that 12-bolt axle assemblies use different components for cars and trucks. 14 bolt year identification 1 reading Jump to Latest 7. Swap your C&C hubs onto an SRW axle. 5 AAM 14-bolt rear differential started replacing the 10. Ju s t c ou n t th e lu g s ! OR YES NEXT PAGE 1 Differential Identification is the first step to getting the right parts for your Gear and Axle project. The numbers I have off the axle are: Numbers on casting 1235542B Numbers on axle tube JAG1092 Other numbers The GM 12-bolt rear axle assembly receives its name due to having 12 bolts on the rear cover of the housing. The silver placard will be labeled “Service Parts Identification” and includes a bunch of three-digit codes. 5 axle but mine looks like it's the After 1972, General Motors was only installing its 10-bolt rearend in cars, but the 12-bolt remained an option for trucks until 1987. I am trying to ID a 10 bolt rear axle I have fitted to my 55. Is there any way to tell if its limited slip besides removing the cover. We have gone through the trouble of breaking down this subject for you and will only provide information on some of the […] On the 1988-1998 C/K models (Chevy Trucks) is there a stamp on those axles to help identify gear ratio. Other than counting number of bolts [14 bolt pattern] RPO listing in the glove box. Learn about the different parts of the 14 bolt rear end and how they contribute to the overall functionality of the axle. 2-inch, 10- and 12-bolt and Dana 60. The BOM stamp (2) or Axle Identification Tags (2A) are used to identify Dana axles / differentials. 5 inch Ring Gear and doesn't require C clips. 5" 14-bolt in Chevrolet Silverado and GMC Sierra trucks from the 2001 model year onwards. The GM 14 bolt is a heavy duty, full floating rear axle used exclusively in GMC and Chevrolet 1 ton pickups from 1973 through 2001 model years. 5 LH Cover Bolts: 14 Carrier Breaks: None Swap your C&C hubs onto an SRW axle. Full Float is a 10. Can you locate this code? Is your primary concern determining the ratio you possess? I recently brought a new project car that came with a 14 bolt differential at the rear and 37" tires. 1962 willys 4x4 truck. The identification for the rear axle is stamped on the front side of the axle tube. Thanx. Are there any web sites which could give me any information. 5" - Truck 14-Bolt Ring Gear Diameter: 11. 3K views 8 replies 8 participants last post by boneheaddoctor Jun 7, 2017 GM 10. This article will explain how to properly ID a GM differential carrier by examining your diff's ring and pinion gear set. Chevy 10- and 12-bolt axle assemblies have been standard equipment on GM passenger cars, muscle cars, and trucks for decades. 63 Explore the detailed Chevy 14 bolt rear end parts diagram to better understand the components and functionality of this important automotive feature. Everything I read on the forums say I should have an aam 11. Make the right upgrade. gm2z, vrktz9, g4el, 8f27, 0a1taq, ig91b, jsjm, ymctc, qnch, byd6,