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Lift float

az2022tbgblue

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I recently lifted my Trailboss 6.2l to 4” and feel at high speed a rear float… especially when hitting the gas… thoughts or suggestions?
 
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Along with the above questions and statements... Did you get a 4 wheel alignment after lift install? lifts change suspension geometry and can cause all kinds of steering/ride quality issues. If that's been done, recheck the basics. Retorque everything and make sure tire pressures are where you want them. Nice truck by the way! 🤙
CJ
 
Describe the "float" you are experiencing. "Float" to me is what a 70s Cadillac does. Super soft, heavy leaning in turns, and nose dive when braking, squatting under heavy acceleration.
 
When I hit the gas and go over 78 plus, the rear end feels like it’s not secure…. It has rear 1 inch blocks to compensate the front level with add replacement arms. Steering is fine and straight… its more of the rear of truck
 
Along with the above questions and statements... Did you get a 4 wheel alignment after lift install? lifts change suspension geometry and can cause all kinds of steering/ride quality issues. If that's been done, recheck the basics. Retorque everything and make sure tire pressures are where you want them. Nice truck by the way! 🤙
CJ
An alignment was done and tire pressure is good
 
The trail boss already has 2" blocks. I'm hoping you didn't stack a 1" block on top of the stock block. If so, that's your problem. You need a solid 3" block.
 
You need longer shocks or a shock spacer when lifting. A shock has a certain working range. If it was factory and you added a 1" lift, it might be OK as is, but now you have 1" less down travel before the shock tops out.
 


any time you accelerate, the snout of the rear diff tries to turn upward, the leaf flexes and this CAN change the dynamic feel of the truck...almost like counter steer or rear steer. when increasing the height of a lift or spacer black, you increase the lever arm action and the torque of the engine increases in feel.
 

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