What bag pressures (unique build)

[jmlcolorado]

Hey guys.
I need some input on what air pressures to run on my build.
I'm running slam specialties re6's on all for corners.
I have modified the frame to be able to lay frame under the cab.
The crossmember is unmodified, no drop spindles or anything else. 6" zee under the cab only.

The goal is to be able to bottom out the lower control arm with the upper spring perch when aired out but still gain about 5" of lift to get the frame off the ground. I do have a 3" notch In The back to tuck the axle in the rear.

Springs are on the trailing arms in the factory location so that's already setup.

I am about to cup the lower arms up front but need to figure out what pressure to build off of to figure out the cup depth.
Also, what's the best way to measure the height at the preferred pressure? All I can think of Is to fill the bags to the pressure, then set the front of the truck on them and measure squash. That will determine the bag cup depth. I'm sure there is a better way though.

I'd love to hear some thoughts. Here's the project. I swear theres a 68 c10 under there.





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