Question for Keith Seymore or anybody that knows R/Axle Codes - The 1947 - Present Chevrolet & GMC Truck Message Board Network

77 ChevySport · 03-08-2014, 02:39 PM

When we where redoing my 77 Chevy Sport frame and rear axle I took a picture of the code. I know the KBD stands for 3:73 Locking Def.. The 164 is the Julian date of the axle. W is for the Windsor Axle plant. 72 I presume is for
1977 and the 2 is for second shift. The one I do not know is the far right which is "F". On Camaro's and Vettes the "E" is for Eaton Posi. What is the
"F" for?? Anybody?? Thanks Larry.

Pictures below.

03-08-2014, 02:39 PM	#1
77 ChevySport Registered User Join Date: Oct 2010 Location: Central, IL Posts: 201	Question for Keith Seymore or anybody that knows R/Axle Codes When we where redoing my 77 Chevy Sport frame and rear axle I took a picture of the code. I know the KBD stands for 3:73 Locking Def.. The 164 is the Julian date of the axle. W is for the Windsor Axle plant. 72 I presume is for 1977 and the 2 is for second shift. The one I do not know is the far right which is "F". On Camaro's and Vettes the "E" is for Eaton Posi. What is the "F" for?? Anybody?? Thanks Larry. Pictures below. Attached Images

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