stiffening W111 Chassis - Mercedes-Benz Forum

 
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post #1 of 3 (permalink) Old 04-24-2010, 06:08 AM Thread Starter
GGR
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Date registered: Apr 2006
Vehicle: W111 Coupe
Location: Washington DC
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stiffening W111 Chassis

Hi all,

at one point or another all mechanical elements of my W111 Coupe will come off it so that I replace them with the ones I am preparing to go with my 5.0 engine. I may take this occasion to inspect welds and add some where needed to stiffen the chassis. I know this is a method used by people who race their cars.

What are the areas I should inspect for fatigue? Where should I add weldings to stiffen the car?

Thanks in advance!
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post #2 of 3 (permalink) Old 04-24-2010, 11:36 AM
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Date registered: May 2007
Vehicle: 64' 220SEc, 72' 300SEL 6.3, lots of parts
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Steering box area, thru rail fittings can develop cracks,
Wire brush clean around the three thru tubes and visually check.

The W111 cabriolet came with under body stiffener,
these plates are the factory answer, check the EPC

Brian O
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post #3 of 3 (permalink) Old 04-24-2010, 12:35 PM Thread Starter
GGR
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Date registered: Apr 2006
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Will do, though that steering box area is more prone to cracks on 6.3s due to the weight of the engine.

These metal plates under the convertibles must be very heavy. I'm wondering if making them out of slightly thicker aluminum would be a good idea?
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