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S4 vs S5 crank pulley difference?

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Old 09-25-09, 09:37 AM
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The Shogun of Harlem

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S4 vs S5 crank pulley difference?
I have a Series 5 crank pulley on my Series 4 block, I read somewhere that the timing on S5 motors is ever so slightly different and I was wondering if this made a difference on the timing marks on the S5 vs S4 pulleys.
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Old 09-25-09, 09:50 AM
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Engine, Not Motor

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Mounting an S5 pulley on an S4 hub (or vice versa) will put the timing marks in the wrong spot. You need to match the hub and pulley.
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