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Old 06-16-2002, 07:52 AM
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Question Swapping a 10 for a 12

I have an 86 C10 Silverado with a stock 10 bolt rearend. I also have a 75 Chevy parts truck with a 12 bolt. Would I run into any problems if I wanted to pull the 12 bolt out of the 75 and put it in my silverado? I mean it seems like it could be done relatively easy but since there's 11 years between these trucks I'm not really sure. Any advice would be appreciated. Thanks, HRS10

[ June 21, 2002: Message edited by: HotRodS10 ]</p>

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Old 06-21-2002, 12:45 PM
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Unhappy

Well, apparently nobody knows...Thanks anyway. <img src="confused.gif" border="0">
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Old 06-25-2002, 08:30 AM
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I haven't done that exact swap, but here are a few considerations.
1. Is the overall width the same or very close? check your clearances.
2. Are the emergency brake cables going to work the same way or be adaptable?
3. Is the pinion shaft splined the same or can you mate up the U joints without changing your driveline?
4. Is the gearing what you want after the change?
5. You didn't say if the C10 is a 4x4, but if it is, you would want the gear ratios to match front to rear.
6. Do you really need the extra strenth?
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Old 06-26-2002, 07:03 PM
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you can get a conversion u joint to keep from swapping pinion yokes, but most gm drivelines use the same joint. (spicer pn 5-3147x)
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