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Lift Blocks

Frankf300

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Frankf300 Enthusiast

Frankf300

Posted
Posted

So like a lot of people I thought I wanted a level truck, but not so much anymore lol. I have a 2" RC level up front and 34" Coopers on it. I would like to get some rake back now though. I occasionally have a decent amount of weight in the bed and it does suffer from that nose high problem now with just the level. I also tow a ~4800lb travel trailer. When hitched up and weight distribution properly set up I still have a bit of squat in the back.

 

I really wanted to find a 2.5" block to replace the stock one, but I see my options are basically 2 or 3". I'm leaning towards the 3" and getting shock extensions for peace of mind. My biggest question is with the whole taper/non-tapered debate. I've read threads and threads ranging from current gen to previous gen trucks and the opinions are all over the place. So what has everyone's experience been with tapered vs non tapered blocks on the current gen trucks? I'd really hate to get them in and than end up with the vibration issues.

 

Also, there are SO many companies making blocks and all in very different price ranges. I've been looking at RC and Zone as I see a few guys running them on here. Any suggestions as far as brand goes?

 

Truck is a 2015 Sierra Crew 5.3 Z71 w/ a 2" RC level currently.

 

Thanks for any input you can give!

Jeff5347 Enthusiast

Jeff5347

Posted
Posted

I have supreme suspension 3 in non tapered. Had 2 in tapered motofabs on. I have a minor vib at 69 to 80. Either with the 2 or 3 the vib is the same. I say from exp get the 3 in non tapered. I added the shock extended as well. I have sup susp blocks and had to open the hole that the spring tab sits in and grind the tab on the block as it was to long. Wasn't happy. Readylift makes 3 in non tapered w ubolts for about 100 bucks

 

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Frankf300 Enthusiast

Frankf300

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Posted

Thanks for the input Jeff5347; appreciate it! Anyone else have any experience/input on this? I know there's definitely gotta be more people running lift blocks on their trucks lol!

Jeff5347 Enthusiast

Jeff5347

Posted
Posted

I didn't add it but mine had the slight vibe before I ever touched the truck. So the vibe I have was unaffected by the blocks

 

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  • 9 months later...
Thebigdog1 Enthusiast

Thebigdog1

Posted
Posted

Thanks for the input Jeff5347; appreciate it! Anyone else have any experience/input on this? I know there's definitely gotta be more people running lift blocks on their trucks lol!

 

I know its been awhile since conversation has taken place in regards to your initial inquiry and concerns. I have a 2015 GMC Sierra SLT CC and I have the exact same concerns that you have with the loading of the truck. I have a 2" level on the front and I am curious to what decision if any that you came to, if you decided to use a 2"-3" block did you noticed any adverse changes (drive line vibrations) in the the truck.

 

Thanks.

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