www.jdrace.com

Thanks Jim and everyone who helped with this project.
I'll let you know how it works.

uncleG

What camshaft are you using? If your cam is too big or to small, you can you can completely negate any change in gear ratio Example: If you use a cam that does'nt start making any power until 3000 RPM and your gear ratio is 3.08, with that tall tire you will be cruising at 55 and the RPM's will neve...

loaded pics same setup.

Jim

Cleaned everything backlash at .010 in 3 spots around gear.
I left .036 under pinion.
looks better, more consistent.
no load.

Thanks Jim
I'll pull it all apart clean it again put in .038 under the pinion, and see what I get.

Where can I purchase just pinion shims assorted sizes without buying a whole kit.

uncleG

loaded carrier

Thanks uncleG

new pics using honed out bearing, first pics pressed bearing.
When spinning pinion feels the same both directions.
I got the backlash down to .009 all the way around, with about a 1/2 thousandths variation.

3 pics no load

next post loaded carrier

Ok.
Here are some new pics with .036 under the pinion and .011 on the back lash.

Let me know what you think.
uncleG

Thanks for the help. I think I have 40 under the pinion, I'll check and remove .004. The carrier is tight getting in and out, I use a pry bar and turn the pinion to get it to pop out. As far as the pattern, I put 1 axle in put the drum on and adjust the brakes shoes out until I get alot of drag, it ...

I love it

101_9497.jpg 101_9496.jpg I need some advice. I've been playing with this for a while now, different sites seem to give conflicting ideas about what the gear pattern should look like. I have a 8.5 GM with a new set of richmond gears 373. I used the ratech pinion depth checker and set the depth how ...

Need help with auburn posi, all the parts look good.
What should the breakaway torque on a 10.5 cone style be?

Can anyone help with an ID of this carrier?
It seems to be an auburn style, but the numbers I found hav'nt been any help.
I would like to rebuild if possible.
10.5 ten bolt 273 up carrier.
numbers that are on the tube. PT G70421