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NNBS Lowering Questions answered here

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Old 06-03-2014, 07:02 PM
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I have a 07 nnbs rcsb 2wd and I bought a Rough Country 2/4 lowering kit. The rear came with flip kit and new hangers and still sits a couple inches higher than the front. Rough Country hasn't been any help to me. I was wondering if you guys make a offset block since the flip kit bracket isn't centered or if I need to look into lowering spring?
Old 06-03-2014, 10:26 PM
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Originally Posted by wbrandenburg
I have a 07 nnbs rcsb 2wd and I bought a Rough Country 2/4 lowering kit. The rear came with flip kit and new hangers and still sits a couple inches higher than the front. Rough Country hasn't been any help to me. I was wondering if you guys make a offset block since the flip kit bracket isn't centered or if I need to look into lowering spring?
Want to post a side profile photo of the truck? And the rear suspension?
Old 06-10-2014, 07:18 PM
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is gas mileage effected much by lowering?
Old 06-11-2014, 09:48 AM
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It does not get worse. Some people say you improve gas mileage others do not see a change.

I have a V6 and pretty much rebuilt so many things on my truck at one time so I cannot personally comment.
Old 07-03-2014, 11:07 AM
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I have an 08 CCSB Sierra on 24's with 305/35/24 tires. I'd like to lower it and keep the taller profile tires. I've heard that it will rub at 4/6, how bad will it be? Can I go 3/5 without rubbing?
Old 07-03-2014, 12:03 PM
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Originally Posted by wolfy
I have an 08 CCSB Sierra on 24's with 305/35/24 tires. I'd like to lower it and keep the taller profile tires. I've heard that it will rub at 4/6, how bad will it be? Can I go 3/5 without rubbing?
You will rub a bit on a 4/6. 3/5 should be safe.
Old 07-03-2014, 01:45 PM
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What's "a bit"? Can anything be trimmed? I don't want to cut up my truck, it's a daily, but I don't mind a small amount of trimming if I can get away with a 4/6.

I'd be interested in seeing pics of the bigger 24" tires on a 3/5 and a 4/6 drop if you have any.
Old 07-03-2014, 11:25 PM
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That truck is on 24s, he's closer to a 5/8. There are plastic liners in the front that you will rub, it's not horrible. The rear there is a spot you can hammer flat to avoid rubbing.
Old 07-04-2014, 12:13 AM
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^^ That's cubbys truck, probably pictures of what he did for his suspension in his build thread
Old 07-06-2014, 11:29 AM
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Originally Posted by ak2007r6
^^ That's cubbys truck, probably pictures of what he did for his suspension in his build thread
Yup. He used Belltech and Groundforce parts.


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