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Old 10-31-2018, 11:52 AM   #19
Zone47
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Join Date: Sep 2014
Location: Richfield, Oh
Posts: 112
Arrow Re: Rear axle ratio stuff ...

Ok, I cleaned the rear axle housing and finally found some numbers:

HA 0415 w and then in the upper right corner of the picture, there is another 1 stamped way out there.

I think C228 is the date code.

I don't know if any of this will tell the ratio or not... but it's worth a shot.

Quote:
Originally Posted by LockDoc View Post
Don't know if this thread will help or not.

http://67-72chevytrucks.com/vboard/s...d.php?t=578793

Check post #8 & #19 for code locations if yours has them.

LockDoc

Actually that is a very helpful source, thank you!!

There is some confusion however. The HA for 68 appears to be for an open rear end and mine is clearly a posi track. It even has the limited slip lube tag on there... so I'm guessing someone threw a posi carrier in there and then who knows what the gears really are.







ok, thanks everyone for the help. I'll pull the cover and figure it out from here since it's still a mystery.

Last edited by Zone47; 10-31-2018 at 07:13 PM.
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