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Old 08-16-2009, 10:44 PM
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stock 63 chevyII rear end vs. s-10 rear end

If I replace my stock 63 Chevy II rear end with a stock s-10 truck rear end is that an upgrade? Is the s-10 stronger? faster?
Also, how can I tell an s-10 7.5 from a 8.5?

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Old 08-16-2009, 11:02 PM
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Thanked 1,761 Times in 1,493 Posts has info on telling them apart. IMO if you are going to the trouble to change the rear, a 7.5" is a bad choice, only a small percentage stronger than your original rear so why bother. The 8.5" is a vastly superior choice.

Last edited by ericnova72; 08-16-2009 at 11:05 PM. Reason: fixing link
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Old 08-17-2009, 02:21 AM
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Use the FULL SIZE 55-64 3rd member to start with; the one that came in the early Nova's/Chevy II's was a lightweight unit; they were thinner castings, and had smaller bearings. Then, have Dutchman make up a set of axles. The real problem with these cars is the BRAKES! I did this with a 63 Chevy II, station wagon, street racer, and even kept the 4 bolt hubs to enhance the "sleeper" look. After selling the car, it met with an untimely end; the "friend" that bought the car, let the rear end go with the hulk hauler. I wanted to send him to the hulk hauler. 4.88:1 gears on a Positraction unit, cap supports, Dutchman Motorsports axles, and traction bars; I had a little money wrapped up in that rear end, not to mention the rest of the car. I kept my engine/trans when I sold it.
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Old 08-17-2009, 04:36 AM
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7.5" to 8.5" rear ID. >>
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