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Old 03-19-2011, 04:22 AM
72-SS-L48 72-SS-L48 is offline
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Default 69 Z28 - Smog Pulley # 3932458

Hi Guys,

Can someone tell me the difference between the 69 Z28 Smog Pulley P/N 3932458 and 3932458DA. I need to get one for my Z.

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Dave
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Old 03-19-2011, 07:48 PM
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Default Re: 69 Z28 - Smog Pulley # 3932458

the 458 is a deep groove pulley which would be correct for a 69 z-28
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Old 03-19-2011, 09:44 PM
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Default Re: 69 Z28 - Smog Pulley # 3932458

At least 2 versions of the 458 pulley.

Original equipment had a hard-stamp part number and were grey or black phosphate. Later service replacements were painted black and had an ink-stamped part number.
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Old 03-20-2011, 06:57 AM
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Default Re: 69 Z28 - Smog Pulley # 3932458

My 74 z/28 has its original and its the ink stamp variety.
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Old 03-20-2011, 06:05 PM
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Default Re: 69 Z28 - Smog Pulley # 3932458

That leads to another question.

Would the 74 water pump pulley and crank pulley have been ink stamped too, or been stamped with a number punch?
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