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Eibach front dampers

GBoss

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Jul 1, 2026
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Location
East Coast
Current Ride
2021 Trail Boss 5.3
My TB had a 2” rake from the factory and it was a bit much for me. Instead of bringing up the front, I replaced the 2” block in the back with a 1” block. I swapped out the shocks with Rancho RS7MT and been pretty happy for the last 4 years. I’m not a fan of the big gap looking into the wheel well, and I didn’t want bigger tires. Pic included.

The off-roading never really materialized and turned more into cross country trips, 5000+ miles at a time. The Duratrac tires got loud pretty quick and I finally swapped them out for Defender LTX XL. Couldn’t find a good road tire in load range C, so this is where I ended up. Rides nice and really quiet. I can finally hear a little bit of the 5.3 rumble rather than the tire noise.

The new tires are the same size as the old ones but they look smaller in the wheel wells since they don’t have the aggressive look. So, I’m going to remove the 1” block in the back to close the gap a bit, but that will make me level with the front. I’d like to bring the front down 3/4” or so to close the front gap a bit and get a slight rake going. I’ve watched all the Shock Surplus videos and talked to them on the phone. They couldn’t really help me with a front setup to get what I want.

Eibach seems to have what I’m looking for but wanted to hear from others with maybe some experience. I went through 6 pages of postings in this forum and most people seem to like the Eibach. I like the plush ride currently and don’t really want the harshness that some people report with like the 5100’s. Eibach doesn’t really have a TB specific application, but their damper and coil set at clip #2 gives TB height of 2 inches. If I put the clip at position 1, it’s about 1.2” up from a standard Silverado, or about 3/4 lower in a TB. The other option is their stage 2 coilover, which should have adjustment down per a response from Eibach. I guess I’m still wondering what height reduction I could achieve with an Eibach damper and my stock spring. I’m also trying to stay in a good middle zone for the shock and not be too high up on a regular Silverado damper. Trying to get a handle on these three options and the best way to go.
 

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would this not be your best option...???

aside from getting this...???

i would pick option 2, simply due to the combo being TUNED to work together...in the past, the OE has had NUMEROUS part numbers for springs...option 2 would rule out about 98% of the differences between spring rates, providers and quality levels....

option 2 being for a standard Silverado, would drop you 2" in front just by the install alone...you could do a quick run of the math and set it up at 3/4" lift for a Standard Silverado and to make it real simple...then add a lower spacer to dial in your desired look
 
Yes, I ‘m looking at the dampers in the first link. They can be used with stock springs but it might take more than one try to dial in the height because of the various spring rates on these trucks. Maybe a TB spring rate is a bit different than a regular Silverado spring.

Using the Eibach springs available with the damper takes out that variable and I should use the guide in the second picture, but use the lowest clip position to get a 1.2” lift from a Silverado. I’m thinking that the Eibach springs might have a tad higher spring rate than my stock TB, but Eibach can’t tell me because they don’t know my stock spring rates.

The other option is the coilovers. They are already put together and I don’t have to take them apart to adjust the height, so big pluses all around. Just wondering how they will ride when I dial them up about half way in their range to at 1.1” lift. What did you mean by lower spacer?
 

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personally speaking from damn near daily driving a Fox 2.5 Elite as well as a Fox 2.0 on a TB...i have 2 at my disposal daily....
i would lean towards the Eibach coils...bot above have the same rate spring 550lbs...mine being the 2.5 are just a tad longer

both ride amazingly well compared to a stock trailboss...the fox may have a slightly different valving as the eibach is a slightly more plush ride.
my 50K miles is nearly 30K with the 2.5 and majority is all highway trips ( Louisiana to Missouri, monthly)...

GET THE COIL OVER, you will not be disappointed...and you can make infinite adjustments to your ride height likings...that said, steel or aluminum bodies...i always remove vehicle weight to adjust ( although steel can be adjusted on vehicle weight)...APPLY ample anti-seize first.

if going with just the damper and Clip settings, you can run these to adjust...just pick your height (these can found everywhere, fabbed easily, or duplicated with grade 8 washers...just use grade 8 hardware when installing.
 
side note, as you lift the front, the weight shift will transfer to the rear and possibly lower it slightly...very minimal, but non the less, it can.
 

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