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Old 12-04-2024, 12:02 AM   #1
C40
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Join Date: Jul 2016
Location: Las Vegas NV
Posts: 27
Help needed 1960 to 1963 L6 A/C Pulley

I’m working in installing a factory A/C Cool Pack system in a 62 Chevy with a L6 261 engine. I have the crank pulley part number 3772886. This pulley doesn’t fit on the crank harmonic balancer. The holes on the pulley are spread apart in a wider pattern compared to the harmonic balancer. Is there another pulley that does fit this harmonic balancer correctly?
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Old 12-06-2024, 01:23 AM   #2
gmc jr van
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Join Date: Jan 2018
Location: littlerock ca
Posts: 32
Re: Help needed 1960 to 1963 L6 A/C Pulley

You need a different balancer. P/N 3772879
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