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Old 02-10-2005, 08:08 PM
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another 10 bolt question

i recently got what im told is called a "corporate" 10 bolt for my chevelle. is this a 8.2 in. or an 8.5 or is there any way i can measure or anything?
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Old 02-10-2005, 08:39 PM
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Search the board here and look in the knowledge base im pretty sure you will find what you need with pictures and all.

Chris
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Old 02-10-2005, 08:43 PM
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Count the pinion splines. 30 spline pinion is 8.5", 27 spline pinion is 8.2".

You have to remove the yoke to count splines
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Old 02-11-2005, 08:56 PM
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The "corporate" name is normally associated to the 8.5 inch.

Chazmac is right on the pinion splines, but you should be able to count them after only removing the nut and washer, removing the yoke isn't usually necessary.

Also, the 8.2 usually has a rib running in an arch from the 9 o'clock, to the 3 o'clock position on the cover.

The 8.5 has a generally smooth cover.
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Old 02-17-2005, 11:55 PM
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ok thanks for the advice
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