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So i have been asking manufactures like james duff and wild horses but i cant get a good answer from them. My concern is the bronco being able to handle the weight of the 4 bt and off road bumper with a winch. I do not want to run leaf springs up front i hate the look. so is anyone out there running a 5.5 lift with that set up? how dose it handle off road and sudden bumps and what not.
 

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Presuming front coils. What's the spring rate?

I have 1170kg front axle weight with a 4bd1t in a range rover and 170lb/in coils.

I can buy coils twice that stiffness. But only if you want a bone shaking ride.
 

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There's a build similar to what you looking for - Google this - 1966 Ford Bronco - Buckin' Bronco - 4BT Cummins-Powered Ford Bronco
 

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I run wild horses 5.5 up front with a heavy bumper and a pto winch, suspension handles it fine. I thought front end would lower some with the 4bt, it doesnt, perfectly level. 10 yrs and no issues at all.
 
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engine sits against the firewall and is pretty short, so it puts more weight farther back, probally easier on it then adding a snowplow.
 
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