Rear axle questions

Dave M

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Dave
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1976
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454
Hi all, are the later C1500 rear axle assemblies interchangable with the earlier '76 rear end. Width / spring perches /shock mounts.
Thanks in advance!
 

Bextreme04

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Eric
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1980
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K25
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350-4bbl
Hi all, are the later C1500 rear axle assemblies interchangable with the earlier '76 rear end. Width / spring perches /shock mounts.
Thanks in advance!

What years are you talking about? GMT-400 has a different frame width than 73-87 therefore spring perches are not at the same spot.
 

Bextreme04

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88-98 is GMT-400 and they are a different frame width than squarebodies. So different shock mount and different perch width.
 

Dave M

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Australia
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Dave
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1976
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C10
Engine Size
454
88-98 is GMT-400 and they are a different frame width than squarebodies. So different shock mount and different perch width.
Cheers Eric, question answered, thank you for time .
 

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