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Old 09-01-2012, 05:27 PM   #1
m22muncie
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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.
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70 Chevy Custom 10 400SB, Tremec TKO600, 3.73 posi. LWB hope to chop frame and have it short soon!

71 GMC LWB in the works of getting going for the first time since 1996
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Old 09-01-2012, 08:37 PM   #2
m22muncie
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Re: 79 Jimmy Axle ratio code

http://www.gmpartswiki.com/ 3.07 open..... this website is AWESOME!!!!!
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71 GMC LWB in the works of getting going for the first time since 1996
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