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84chevyguyid · 05-12-2014, 10:14 PM

Yeah the big ones are for the back, they are 6 1/2 inches in diameter. My thinking is to take some of the weight off the springs with the air bags and see how they work. I have a level valve on the back ones and I might try a level valve on each side on the front ones. I used half ton rear springs on the front and they are a little too soft for the load without the 4.5 inch air bags to assist them. I have a set of 3/4 ton rear springs that I may have to swap part or all of them in place of the 1/2 ton springs if the front ends up being too soft. Its all one big experiment!

05-12-2014, 10:14 PM	#99
84chevyguyid Registered User Join Date: Feb 2012 Location: Mud Lake, Idaho Posts: 346	Re: 86 chevy crew cab 12 valve swap Yeah the big ones are for the back, they are 6 1/2 inches in diameter. My thinking is to take some of the weight off the springs with the air bags and see how they work. I have a level valve on the back ones and I might try a level valve on each side on the front ones. I used half ton rear springs on the front and they are a little too soft for the load without the 4.5 inch air bags to assist them. I have a set of 3/4 ton rear springs that I may have to swap part or all of them in place of the 1/2 ton springs if the front ends up being too soft. Its all one big experiment!