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What is a C5 corvette P/S pump shaft size?

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Old 10-11-2009, 01:53 PM
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Default What is a C5 corvette P/S pump shaft size?
Is it 3/4" like the F-body?
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Old 10-11-2009, 09:59 PM
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Originally Posted by MFIC
Is it 3/4" like the F-body?
Smaller, 0.662" IIRC...
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Old 10-11-2009, 10:22 PM
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Yep, learned that the hard way tonight! Tried to put a PS pulley on a C5 pump that was on a G8. The G8 pump shaft is .005 larger than the C5 pump! How in the hell does GM come to make two shaft sizes that are only .005" apart?
I am going to have to go to my local GM house tomorrow and order a C5 pulley!


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Old 10-12-2009, 09:22 AM
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Originally Posted by John McGraw
Yep, learned that the hard way tonight! Tried to put a PS pulley on a C5 pump that was on a G8. The G8 pump shaft is .005 larger than the C5 pump! How in the hell does GM come to make two shaft sizes that are only .005" apart?
I am going to have to go to my local GM house tomorrow and order a C5 pulley!


Regards, John McGraw
If you're not in a hurry, Henderson Chevrolet (N.C.) sells them on the 'net for $17.50. I had to bust my old pulley off the shaft as the "pulling" ring was broken...
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