Rear suspension upgrade experiences

6 Piston Power

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Completed RSK with V codes last summer and am planning on upgrading the rear this summer while my truck is down for fuel system upgrades.

Looking for your experience with the ‘99-‘07 rear leafs vs the ‘08 up rear leafs. If you’ve had both, which did you like better?
 

sootie

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11+ are longer and softer, therefore a better ride.
 

JCart

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Can’t comment on newer ones. Did B codes on my 97 CCSB worked great, with V code RSK. What I will say/recommend for rears, what I’ve done on most all my OBS trucks is install air bags on the rear and remove the over spring leaf overloads. In this way you can adjust so you’re always level and the ride will be smooth per load requirements. Would like to do the 11+ on my current Tan sig truck. My understanding is you move the front hanger forward and the rear stays in stock location. I’m thinking rear blocks will be necessary, with 11+ springs.
 

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