Firestone Air Bag Smashed Flat When Using 3 Inch Spacer on 3 Inch Lifted Truck
Question:
I am writing in response to this answer on a previous post. When measuring the distance between the brackets, are you measuring when the truck is on the ground and the suspension is compressed or when it is in the air and the suspension is stretched out? I used a 3 inch spacer for a 3 inch lift and the bag is smashed flat, over and around the spacer...with no air in the bag. Thank you Original post answer: To determine what size lift spacer to use on your vehicle with Firestone Ride-Rite Air Springs, measure the distance between the upper and lower brackets of your air helper spring kit, and whether the kit mounts on the leaf spring or the axle. The spacer needs to be the same length as the amount of lift applied to the axle on which the air helper spring is installed. The axle mount kit would have the lower bracket mounted to the axle. The leaf mount kit would have the lower bracket mounted to the leaf stack. On the rear, if the distance between the brackets is 8-1/2 inches to 9-1/2 inches it would be a 3 inch lift. For the axle mount you will need the Firestone Lift Spacers for 3 Inch Lift, part # F2368. For the leaf mount you will need the Firestone Lift Spacers for 3 Inch Lift, part # F2367. If the distance between the brackets is 9-1/2 inches to 10-1/2 inches it would be a 4 inch lift. The axle mount would use the Firestone Lift Spacers for 4 Inch Lift, part # F2371. For the leaf mount you will use the Firestone Lift Spacers for 4 Inch Lift, part # F2370. If the front is lifted 6 inches you will want to use the Firestone Lift Spacers for 6 Inch Lift, part # F2375, if your Ride-Rite Air Bags are mounted on the axle. If they are mounted on the leaf springs you will need the Firestone Lift Spacers for 6 Inch Lift, part # F2374.
asked by: Adam Z
Expert Reply:
There are different ways to lift a vehicle so that could be one factor, Also, it isn't really a measurement so much as it is based on what the amount of lift is supposed to be.
You would measure, though, with the truck on the ground and not loaded so if there is a 2 inch gap use a 2 inch spacer # F2366 and so on.
If the truck had a body lift and not a suspension lift then the distance from the frame to the axle is still the same as stock and no spacer would be needed. It sounds like the type of lift your truck has does not require the use of a spacer.
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Lift Spacers for Firestone Ride-Rite Air Helper Springs - 2" Spacers - Qty 2
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Lift Spacers for Firestone Ride-Rite Air Helper Springs - 2" Spacers - Qty 2
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