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rear suspension bar broken


jeffjoyce

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A typical failure with a R200 installed. As mentioned above, a small nick or mark became a stress riser and over time a crack developed. At some point the bar fails while accelerating from a stop in first gear (most torque load). I've seen these a number of times with R200s, never with a R180. Also as mentioned you need to inspect the front diff mount and front diff cross member. Those are most likely damaged.

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Metal fatigue is different than just a straight overload failure. A picture of the broken end would be interesting, to see if there was a crack there before the final failure. Weathered material versus shiny new surface. Maybe we should be Magnafluxing our mustache bars.

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Metal fatigue is different than just a straight overload failure. A picture of the broken end would be interesting, to see if there was a crack there before the final failure. Weathered material versus shiny new surface. Maybe we should be Magnafluxing our mustache bars.

Sure is. But these bars are thick spring steel, clearly designed to prevent fatigue failures. A stress concentration would do it though, whether it's a crack or imperfections in the metal. Magnafluxing might not be a bad idea if it will see "heavy" usage...

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