74' 240D saggy rear end - Mercedes-Benz Forum

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post #1 of 3 (permalink) Old 12-07-2011, 04:48 PM Thread Starter
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74' 240D saggy rear end

I've got a 74' 240D with pretty weak rear coil springs. I want to put in a stiffer set, any recommendations? What should the spring rate and coil thickness be? Thanks!
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post #2 of 3 (permalink) Old 12-07-2011, 07:05 PM
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Vehicle: 1965 220S, 1999 Volvo V70 (wagon), 2006 Ford Crown Vic Police Interceptor, 72 350SL 4 Speed
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Fix your bushings first. Springs don't 'wear out'.

Near Manassas Va. '65 220S, 2006 Ford Crown Victoria Police Interceptor, '99 Volvo V70, '72 350SL 4 speed

Not part of the in-crowd since 1952. It's BRAKES not breaks. You break a bone, use brakes to stop your car. /rant

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post #3 of 3 (permalink) Old 12-08-2011, 04:45 PM Thread Starter
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I took the springs out to find that they look practically new. The last owner must have put ones in with a low weight rating. The have two red and one dot yellow dots on them. Ideas on the specs for a stiffer spring for a heavier 300D?
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