Rear axel I.D.
Thread Starter
Instructor
Joined: Mar 2010
Posts: 112
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From: Rice Lake Wisconsin
Rear axel I.D.
These are the numbers taken off my rear axel housing today.Is there a site that can help me figure out what they are?
Date code I'm ok with: L23O (Dec 23,1970)
The Axel Ratio Code is: LR W 18 E 1
I know the LR is a 3:36 posi code but what is the rest?
Thanks in advance;Mike
Date code I'm ok with: L23O (Dec 23,1970)
The Axel Ratio Code is: LR W 18 E 1
I know the LR is a 3:36 posi code but what is the rest?
Thanks in advance;Mike
Le Mans Master
Joined: Jan 2007
Posts: 5,485
Likes: 7
From: Peekskill NY
These are the numbers taken off my rear axel housing today.Is there a site that can help me figure out what they are?
Date code I'm ok with: L23O (Dec 23,1970)
The Axel Ratio Code is: LR W 18 E 1
I know the LR is a 3:36 posi code but what is the rest?
Thanks in advance;Mike
Date code I'm ok with: L23O (Dec 23,1970)
The Axel Ratio Code is: LR W 18 E 1
I know the LR is a 3:36 posi code but what is the rest?
Thanks in advance;Mike
The "E" I believe is for Eaton,
1 for 1st shift?
18 not sure.
This is just off the top of my head.
Instructor
Joined: Sep 2010
Posts: 132
Likes: 1
From: Pioneer California
Here you go my shot at it from the NCRS Technical Information and Judging Guide.
LR = 3:36:1 Gear Ratio
W= Warren Motive Axle Plant
18= 18th day of January Julian Date of manufacture
E= Eaton Positraction Source
1= Shift when made 1st Shift
Assuming this is for a 71 corvette
John
LR = 3:36:1 Gear Ratio
W= Warren Motive Axle Plant
18= 18th day of January Julian Date of manufacture
E= Eaton Positraction Source
1= Shift when made 1st Shift
Assuming this is for a 71 corvette
John
Thread Starter
Instructor
Joined: Mar 2010
Posts: 112
Likes: 0
From: Rice Lake Wisconsin
decode
Found a old thread from 2009;
LR=gear ratio=3:36 posi
W=plant produced at=Warren Motive
18=julian date=the 18th
E=posi source=Eaton
1=shift produced=day shift
Really cool to find all my numbers are coming together to show i have a numbers matching corvette!! Engine,transmission,rear axel all correct.Can the vin# from the frame be accessed with small mirror and flash light?
Mike(JMS71VETTE)
LR=gear ratio=3:36 posi
W=plant produced at=Warren Motive
18=julian date=the 18th
E=posi source=Eaton
1=shift produced=day shift
Really cool to find all my numbers are coming together to show i have a numbers matching corvette!! Engine,transmission,rear axel all correct.Can the vin# from the frame be accessed with small mirror and flash light?
Mike(JMS71VETTE)
Thread Starter
Instructor
Joined: Mar 2010
Posts: 112
Likes: 0
From: Rice Lake Wisconsin
decode
Here you go my shot at it from the NCRS Technical Information and Judging Guide.
LR = 3:36:1 Gear Ratio
W= Warren Motive Axle Plant
18= 18th day of January Julian Date of manufacture
E= Eaton Positraction Source
1= Shift when made 1st Shift
Assuming this is for a 71 corvette
John
LR = 3:36:1 Gear Ratio
W= Warren Motive Axle Plant
18= 18th day of January Julian Date of manufacture
E= Eaton Positraction Source
1= Shift when made 1st Shift
Assuming this is for a 71 corvette
John
Team Owner
Joined: Sep 2006
Posts: 31,266
Likes: 4,355
From: Westminster Maryland
Hi Mike,
Yes, you can often see the VIN stamping (or parts of it) above and just to the rear of the left rear wheel with a mirror and flash light.
You need to clean the area well first. You can sometimes feel the location with your fingers because a pretty serious piece of machinery was used to make the stamping and it put a slight depression in the frame rail where the VIN is.
Whether you can read the VIN or not depends somewhat on how rusty the frame is since rust erodes the characters to some degree.
Sounds like you're having FUN!!!!
Regards,
Alan
Yes, you can often see the VIN stamping (or parts of it) above and just to the rear of the left rear wheel with a mirror and flash light.
You need to clean the area well first. You can sometimes feel the location with your fingers because a pretty serious piece of machinery was used to make the stamping and it put a slight depression in the frame rail where the VIN is.
Whether you can read the VIN or not depends somewhat on how rusty the frame is since rust erodes the characters to some degree.
Sounds like you're having FUN!!!!
Regards,
Alan
