Compared to the Ford 9-inch, the 12-bolt positions the pinion gear higher on the ring gear. Chevy 10-Bolt Models Although the 8. These are considered highway gears that are good for top speed, not for off-the-line performance. These carriers were not intended for any serious performance applications, but are suitable for a weekend cruiser that will not be using sticky tires and traction enhancers. The first two letters indicate the gear-ratio code, the third letter notes the build plant, and three numbers designate the build day from 001 to 365. Pinion gears and ring gears are not interchangeable because they are designed for the specific correct mesh.
After graduating from Iowa State University with a journalism degree in 1978, he combined his two passions: cars and writing. You can see the dramatic difference in not only teeth but in overall diameter. When too much torque or traction is fed through the axle, it will eventually break the axle. While many believe that the later corporate 10-bolt is as weak as the earlier 8. The info I get is it should be 8. There are usually two distinctive lugs cast into the bottom of the 10 bolt rear end housing. The owner stated that it was not a Posi-filled rearend, and came with gears he believed to be around 3.
What does someone have to do to get Summit to sell them a rear disc brake conversion for a 1970 Camaro with 8. Jeff Smith: When Chevrolet built the first Camaros in 1967, they were already in production of both 10- and 12-bolt. Inside, the ring-gear bolts are the same as the 8. This is the Moser Engineering 12-bolt axle assembly. The truck housings are not as durable as the passenger car housings due to a narrower carrier and a smaller inner pinion bearing. We will assume it is a 10-bolt — but that makes it a plenty strong 8.
This will eventually fail the axle or the splines into the spool. Another way to reduce your highway rpm would be to go to a taller rear tire — or to use an overdrive automatic transmission like the 700-R4 or the 200-4R. The 1964 serial numbers are found on the bottom of the carrier. Each was designed for use with a limited range of ring-and-pinion gears. Like all Chevy 10-bolts, the axles are retained by C-clips on the inner end of the axle shaft inside the carrier.
Although I have had cars go to Japan and Canada. The control arm-mounting ears on top of this 7. Axles for high-performance or heavy-duty applications commonly used higher spline-count axles while common passenger car axles use lower spline counts. C2 and C3 Corvettes built from 1963 to 1981 used a non-standard 10-bolt design. I hope tjhis helps others as bad internet info has cost me money and time in the past. I have a 10 bolt 8. The casting numbers are simple to decode.
Considering the challenges of the typical 12-bolt swap for most muscle cars, when the 10-bolt units are often a bolt-in swap, the 8. If it is used on the street, spools are not a good idea because turning corners requires the inner tire to travel a shorter distance. The Chevelle and Monte Carlo also used four trailing arms, but the arms mounted differently. This means parts are not interchangeable, which can come back to bite you later if you buy the wrong assembly. Inside, the ring gear bolts are the same as the 8.
However, the gears will not interchange with a Chevy 8. A full range of pinion gears is offered for the Chevy 10- and 12-bolt axle assemblies so you are able to select the correct gear set for your vehicle, application, and setup. Written by Jeferson Bryant and Posted with Permission of CarTechBooks. These two rear axle combinations continued from 1965 through 1970 even with the coming of the second generation Camaro in 1970. The first letter is the month of the year; A is January, B is February, and so on. Everyting I build is around me, thats why sometimes I have a hard time selling what I build.
I have a 72 Monte Carlo and Built the motor a little. That being said, limited gear sets are offered for the carriers, especially if you plan to change gear ratios. Type-3 carriers have a thicker ring gear-mounting location and are designed for use with original gear ratios ranging from 3. I hope this helps others figure out what axle they have and what axles will work. It does not use locating tabs.
Rotate the back tire s one full revolution. I think it shows a 308 posi. That way, you will have an idea whether that diamond in the rough before you is what you need or not. Pinion gears and ring gears are not interchangeable because they are designed for the specific correct mesh. There is an anomaly in that statement though, as leaf springs were an available option. You can simply clean the area around the casting pad, but a power washer and some hot soapy water can work wonders for 40 years of grime.