Walt, I added the Rough Country 2 inch kit. I think the sku was 922 but I may be wrong. It states it would not fit the ZR2 & they are partly correct. The kit has 2 primary components, a spacer for the top of the assembly and a ring spacer that requires spring removal It is supposed to slide over the shock body. After renting the big tool at AutoZone I removed the driver's side & disassembled everything. The round ring spacer was designed to slide over the shock body & sit below the lower spring mount thus adding some lift. Rough Country is correct in that this part of the kit will NOT work. The DSSV's diameter is too large. I reassembled the strut (taking care to align the spring perch properly) & proceeded with the spacer at the top. Not sure of the thickness but I also had a momentary concern before continuing. After tightening all 3 bolts I was satisfied that they would hold. I have about 60k miles since the install. No torn boots, no issues. Had a bit of a challenge with alignment at the dealer. After spending 3 hours on it the tech claimed he could not adjust caster within spec. I had a couple of discusdions with the service advisor reminding him that GM also sells essentially the same spacer kit that I installed & asked if there were any alignment bulletins on it? He said no. I asked for a different tech to finish the job. It was about 1.5 hrs before close & he said it would be the next day before they wrapped up. I was not happy. They gave me a "courtesy" ride home. I received a call from the service advisor about 30 minutes later stating it was done & asking me to come get it. I replied that I would be there as fast as the courtesy driver arrived. Supposedly they had to remove/ "reposition" the strut to get everything to line up. Hard to buy this because the 2 bolts at the bottom & 3 at the top have only one place to go but I suppose there may be a SLIGHT amount of wiggle room. Anyway, it drives good, tire wear is excellent on BFG 285 70 17s and all seems well.
Hey Phil I didn't know that you had the newer ZR2 as well? Yeah even if I go get different nuts with the nylon on top I still don't feel comfortable with it that spacers about 3/4 of an inch or damn close I think rough country is 1 in is only 5/8 I'm not positive.
So I actually went and got different neoprene nuts and shaved down the spacers a little bit on a lathe at work. Then didy alignment while I was there too. So far so good for the last 2 months.
I had my doubts about this kit I was trying to get the maximum lift out of a spacer I should have known better guys I would stick with the one inch spacer and 1 in coil spacer but you'll have to rent a tool to do that!
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Walt, I added the Rough Country 2 inch kit. I think the sku was 922 but I may be wrong. It states it would not fit the ZR2 & they are partly correct. The kit has 2 primary components, a spacer for the top of the assembly and a ring spacer that requires spring removal It is supposed to slide over the shock body. After renting the big tool at AutoZone I removed the driver's side & disassembled everything. The round ring spacer was designed to slide over the shock body & sit below the lower spring mount thus adding some lift. Rough Country is correct in that this part of the kit will NOT work. The DSSV's diameter is too large. I reassembled the strut (taking care to align the spring perch properly) & proceeded with the spacer at the top. Not sure of the thickness but I also had a momentary concern before continuing. After tightening all 3 bolts I was satisfied that they would hold. I have about 60k miles since the install. No torn boots, no issues. Had a bit of a challenge with alignment at the dealer. After spending 3 hours on it the tech claimed he could not adjust caster within spec. I had a couple of discusdions with the service advisor reminding him that GM also sells essentially the same spacer kit that I installed & asked if there were any alignment bulletins on it? He said no. I asked for a different tech to finish the job. It was about 1.5 hrs before close & he said it would be the next day before they wrapped up. I was not happy. They gave me a "courtesy" ride home. I received a call from the service advisor about 30 minutes later stating it was done & asking me to come get it. I replied that I would be there as fast as the courtesy driver arrived. Supposedly they had to remove/ "reposition" the strut to get everything to line up. Hard to buy this because the 2 bolts at the bottom & 3 at the top have only one place to go but I suppose there may be a SLIGHT amount of wiggle room. Anyway, it drives good, tire wear is excellent on BFG 285 70 17s and all seems well.
Sounds like they let you drive away and then told you it was all set just to give you the old boot out the door 😂 I know how this shady stuff works
Hey Phil I didn't know that you had the newer ZR2 as well? Yeah even if I go get different nuts with the nylon on top I still don't feel comfortable with it that spacers about 3/4 of an inch or damn close I think rough country is 1 in is only 5/8 I'm not positive.
You think the 1.25 would work
I think so!
So I actually went and got different neoprene nuts and shaved down the spacers a little bit on a lathe at work. Then didy alignment while I was there too. So far so good for the last 2 months.
I had my doubts about this kit I was trying to get the maximum lift out of a spacer I should have known better guys I would stick with the one inch spacer and 1 in coil spacer but you'll have to rent a tool to do that!