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- The 1973 - 1991 Blazers, Jimmys, and Suburbans Message Board (https://67-72chevytrucks.com/vboard/forumdisplay.php?f=37)

- - 79 Jimmy Axle ratio code (https://67-72chevytrucks.com/vboard/showthread.php?t=541058)

m22muncie

09-01-2012 05:27 PM

79 Jimmy Axle ratio code

I have an unmolested 79 Jimmy but the SPID is missing from glove box . Code on axle housing is KAJ. Anyone know the ratio by running code? I know I can count teeth...spin a wheel with truck jacked up etc. Just wondering where to look up codes with no luck on Google.

m22muncie

09-01-2012 08:37 PM

Re: 79 Jimmy Axle ratio code

http://www.gmpartswiki.com/ 3.07 open..... this website is AWESOME!!!!!

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