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Looking for info on axle casting 3959038NF

1623 Views 3 Replies 4 Participants Last post by  malibuss67, 
Second_chance_SS
3
The only info I find on line is at Chevelle Stuff. That site indicates this was used in LATE '69 with all engines and early '70 Chevelles with L78 only.
The big mystery is the cast and assembly dates..cast June 28 1968 and assembled Sept 20th, 1968 Why would an axle assembled in mid 1968 only be put into use in late '69 to early '70 ?
Also, is this a nodular center section for high hp use ?
Any of you '69-70 experts have any further, better, info on this axle ?
The assembly code is KF, by way of Chevelle Stuff, it indicates 3.55 posi. Which may work behind a TH400, but doesn't seem to fit with a high HP engine and manual trans.
I'll appreciate any enlightenment all y'all can provide...:)

699015


699016


699017
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M
its a 3:55 with large ring gear for a 69 chevelle ss the difference in the cast and the assembly date is most likely because of a strike. code chart below

1969 Chevelle Rear Axle Codes

Decoding Chevrolet VIN, trim tags, cowl tags, engine, engine block casting numbers, cylinder head casting numbers, intake manifold casting numbers, transmission, interior codes, and paint codes.
chevellestuff.net chevellestuff.net
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