rearend ID # - The 1947 - Present Chevrolet & GMC Truck Message Board Network

flip66 · 09-13-2004, 11:12 PM

can anyone tell me where to find rearend codes. i found 3896839 on the pass side and gm55 on the driver side.

flip66 · 09-14-2004, 12:02 PM

ttt

**john** · 09-14-2004, 04:38 PM

Look on the pass side axle tube about six in. out from punkin. It is stamped on the top toward the front side. The stamping isn't very deep, so you need to wire brush real good. Thisa is for 12 bolt 1/2 ton. John

flip66 · 09-14-2004, 04:47 PM

If I can find can you decode it or tell me where too

**john** · 09-14-2004, 04:50 PM

Here you go. John
http://www.americanclassic.com/paint_test.asp

flip66 · 09-14-2004, 05:11 PM

thanks

**john** · 09-14-2004, 05:35 PM

That decoder doesn't seem to work. Post number here for answer. John

flip66 · 09-14-2004, 10:16 PM

ha0806w

**john** · 09-15-2004, 05:04 PM

I show 3.73:1 John

flip66 · 09-15-2004, 05:11 PM

thanks, there is a web site were you can put in your rpm and tire size and it will give you gear ratio do you know where it is.

**john** · 09-15-2004, 05:25 PM

Here is one of many
http://www.angelfire.com/fl/procrastination/rear.html John

09-13-2004, 11:12 PM	#1
flip66 Registered User Join Date: Jan 2004 Location: Garland TX Dallas area Posts: 658	rearend ID # can anyone tell me where to find rearend codes. i found 3896839 on the pass side and gm55 on the driver side.

09-14-2004, 04:38 PM	#3
john member #16 Join Date: Dec 1999 Location: Yuba City Ca. Posts: 3,618	Look on the pass side axle tube about six in. out from punkin. It is stamped on the top toward the front side. The stamping isn't very deep, so you need to wire brush real good. Thisa is for 12 bolt 1/2 ton. John __________________ john http://67-72chevytrucks.com/vboard/showgroups.php board vendors http://www.flickr.com/photos/1745471...7602865984234/

09-14-2004, 04:50 PM	#5
john member #16 Join Date: Dec 1999 Location: Yuba City Ca. Posts: 3,618	Here you go. John http://www.americanclassic.com/paint_test.asp __________________ john http://67-72chevytrucks.com/vboard/showgroups.php board vendors http://www.flickr.com/photos/1745471...7602865984234/

09-14-2004, 05:35 PM	#7
john member #16 Join Date: Dec 1999 Location: Yuba City Ca. Posts: 3,618	That decoder doesn't seem to work. Post number here for answer. John __________________ john http://67-72chevytrucks.com/vboard/showgroups.php board vendors http://www.flickr.com/photos/1745471...7602865984234/

09-15-2004, 05:04 PM	#9
john member #16 Join Date: Dec 1999 Location: Yuba City Ca. Posts: 3,618	I show 3.73:1 John __________________ john http://67-72chevytrucks.com/vboard/showgroups.php board vendors http://www.flickr.com/photos/1745471...7602865984234/

09-14-2004, 12:02 PM	#2
flip66 Registered User Join Date: Jan 2004 Location: Garland TX Dallas area Posts: 658	ttt

09-14-2004, 04:47 PM	#4
flip66 Registered User Join Date: Jan 2004 Location: Garland TX Dallas area Posts: 658	If I can find can you decode it or tell me where too

09-14-2004, 05:11 PM	#6
flip66 Registered User Join Date: Jan 2004 Location: Garland TX Dallas area Posts: 658	thanks

09-14-2004, 10:16 PM	#8
flip66 Registered User Join Date: Jan 2004 Location: Garland TX Dallas area Posts: 658	ha0806w

09-15-2004, 05:11 PM	#10
flip66 Registered User Join Date: Jan 2004 Location: Garland TX Dallas area Posts: 658	thanks, there is a web site were you can put in your rpm and tire size and it will give you gear ratio do you know where it is.

09-15-2004, 05:25 PM	#11
john member #16 Join Date: Dec 1999 Location: Yuba City Ca. Posts: 3,618	Here is one of many http://www.angelfire.com/fl/procrastination/rear.html John __________________ john http://67-72chevytrucks.com/vboard/showgroups.php board vendors http://www.flickr.com/photos/1745471...7602865984234/



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