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Rear axle codes.

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Old 06-17-2008, 08:10 PM   #1
65ZR1
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Default Rear axle codes.

I have a posi unit that may be from a corvette since the year of the date code is a single digit. The gear code is FH. Can someone tell me what this code belongs to? My numbers book does not have axle codes.

Thanks!!

Oh yeah, the date code is feb 23 1960
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Old 06-17-2008, 08:54 PM   #2
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I'm not seeing anything "FH" listed for any vettes 53-67 in the NCRS spec guide.
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Old 06-17-2008, 10:44 PM   #3
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1960 passenger car with hi-perf 348, 4sp 3.70 ratio.
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Old 06-18-2008, 05:13 AM   #4
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Thanks again! I need to get a better numbers book. Any suggestions?
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Old 06-18-2008, 08:23 AM   #5
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I have the NCRS "Corvette Specifications Guide" which will cover most numbers for a specific generation corvette. I also have their "Technical Information Manual & Judging Guide" (TIM) that addresses a specific year, both are available from their web site. "Corvette by the Numbers" by Alan Colvin is also a good source which is available at the NCRS site or Amazon, etc.

These books are Corvette specific & don't include the other Chevy codes.
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Old 06-18-2008, 12:53 PM   #6
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Quote:
Originally Posted by Corps Vet View Post
I'm not seeing anything "FH" listed for any vettes 53-67 in the NCRS spec guide.
He's talking about the codes on the Posi unit itself, not the codes stamped on the differential housing.
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