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Steel bumper and spring rates

3454 Views 10 Replies 5 Participants Last post by  TruckIt, 
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I purchased a set of Radflo coilovers for my 2014 P4X a few months ago but haven't installed them yet. At the time I wasn't planning on getting an aftermarket bumper so I went with the 600lb springs. Now I want to get a steel front bumper and most likely a winch down the road. The Shrock bumper and radiator skid plate weighs around 155lbs. Greg at PRG said he would swap out the springs on them for me for no charge. Which ones should I go with? 650? 700? I'm also running P&P sliders.
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whistler
You want the lightest springs that will maintain ride height.
Very little difference in 650lb versus 700lb. springs when you can adjust the tension.
If your corner weight is 1400lbs., a 700lb spring needs to be compressed 1".
A 650lb spring needs to be
compressed1.150".
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whistler
If it's "bouncy", your shock valving is off.
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