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Old 02-05-2011, 03:14 PM   #1
michellenolimit
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No Limit 63-72 Rear Shock Kit

NO LIMIT ENGINEERING
New Rear Shock Kit to fit 1963-72 Chevy Pickups!! "Quote per Rob" - I'm feelin pretty good about this. After dropping another 2" in back, we ran into the same trouble as everyone else. The shock issues. After researching the other kits, and solutions, and thinking about it, we came up with a plan. Here are some of the problems we noted. 1. No room for a longer shock, even with reworked or 'dropped' mounts. 2. shock angle gets worse, the lower you go. 3. If we go another 2" (8 total) we're screwed again. 4. the exhaust is a nightmare. 5. the inboard shock design doesn't handle that great. With this in mind, we set out for a fix. This is the whole idea behind the JT, to come up with tested components that WORK, and will HELP get more trucks on the road to be enjoyed.
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Old 02-05-2011, 03:17 PM   #2
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Re: No Limit 63-72 Rear Shock Kit

We are also using this forum, and site to set the record straight. I am sure we will be copied. Now there is lasting, dated proof, and those who 'knock-off' will be called out. This kit will come with 2 different length shocks. A 10" stroke shock for the stock to 4" drop guys, and a 8" stroke shock for the 6" to 10" drops. Once the stock shocks and mounts are gone, the new lower mounts are a direct replacement.
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Old 02-05-2011, 03:20 PM   #3
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Re: No Limit 63-72 Rear Shock Kit

The new upper mounts locate to the frame with a factory 5/8" hole. We provede a big bolt to hold and align the new mount. You have to drill the two 3/8" holes.
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Old 02-05-2011, 03:29 PM   #4
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Re: No Limit 63-72 Rear Shock Kit

Then your all but done. Just bolt on the shocks and mount studs, all included.
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Old 02-05-2011, 03:30 PM   #5
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Re: No Limit 63-72 Rear Shock Kit

Quote per Rob, "After somt drive time, I am happy to report that the difference is clear. Body roll is reduced, and the ride is very smooth. The outboard location is a benefit in many ways. With a good quality monotube shock, these kits wil run about $185.00 I think thats a good deal for the gains. Just remember, You saw it here FIRST."
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Old 02-05-2011, 04:33 PM   #6
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Re: No Limit 63-72 Rear Shock Kit

Definitely interested. How long before they go up for sale?
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Old 02-05-2011, 05:35 PM   #7
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Re: No Limit 63-72 Rear Shock Kit

simple, and it works.
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Old 02-05-2011, 05:54 PM   #8
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Re: No Limit 63-72 Rear Shock Kit

Nice, will you offer a kit with the adjustable track bar,lowering blocks & u bolts ?
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Old 02-05-2011, 06:01 PM   #9
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Re: No Limit 63-72 Rear Shock Kit

Quote:
Originally Posted by michellenolimit View Post
NO LIMIT ENGINEERING This is the whole idea behind the JT, to come up with tested components that WORK, and will HELP get more trucks on the road to be enjoyed.
Looks like a well designed and built product, have always wondered why the lower shock plate hasn't changed in the area circled below. I have seen these lower shock stud holes get wollerd/elongated on the aftermarket pieces also, is there a reason they have stayed the same? Mel
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Old 02-05-2011, 06:55 PM   #10
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Re: No Limit 63-72 Rear Shock Kit

looks to be pretty close to the ground . whats the smallest dia wheel you have to have to be safe ?
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Old 02-05-2011, 07:08 PM   #11
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Re: No Limit 63-72 Rear Shock Kit

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Originally Posted by Classic Bowties View Post
Looks like a well designed and built product, have always wondered why the lower shock plate hasn't changed in the area circled below. I have seen these lower shock stud holes get wollerd/elongated on the aftermarket pieces also, is there a reason they have stayed the same? Mel
I agree, looks like a great product but it seems like it would be beneficial to support the shock from both sides to elminate deflection in the bolt and bracket.

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Old 02-05-2011, 07:19 PM   #12
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Re: No Limit 63-72 Rear Shock Kit

Min scrub is at 8 1/4", so a 17" wheel or bigger is safe, if you are not using a lowering block, then 15" are OK. The upper and lower mounts are 1/4" thick steel, thicker than the stock mounts from GM. All of the rear suspension parts that we are working on will be avail wed. - after we track test, and have proven results.
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Old 02-05-2011, 07:25 PM   #13
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Re: No Limit 63-72 Rear Shock Kit

Wow. Really diff. I think its really cool to have diff. products out there What other suspension/brake pieces do you guys put out?
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Old 02-25-2011, 06:34 PM   #14
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Re: No Limit 63-72 Rear Shock Kit

Edit 03-03-2011:
I voiced the question in this post about the strength of the lower mount of this new design in the duplicate post located in the "Vendor Marketplace" and my posts, #14 and #16, along with Captainfab's post #15 were transparently moved by an administrator to this post ???

Here is a link to the "Vendor Marketplace" post: http://67-72chevytrucks.com/vboard/s...10#post4526910

No Limit Engineering:
Are you at all concerned about the strength of the shock mounts, especially the lower one? The factory mount captures the shock bolts on both sides of the shock. Your design cantilevers the bolts. While the upper mount looks quite strong the lower looks like it may be a problem, long term, for folks that use their trucks for hauling and towing where shock loads are significant. Perhaps some additional gussets on the lower mount would be advantagous?

Additionally won't the shocks be subject to debris being mounted right behind the tire? Would a shock with an upper dust shield be better in this location to protect the upper shock rod?
Quote:
Originally Posted by 65Gregg View Post
What about those of us that dropped 5"? Will you offer just the brackets/hardware?
If you have 5" or less drop springs, for a few bucks, you can simply make your own new top mount that bolts into the original upper mount rivet holes and use Monroe shocks 32207. Including shocks, I have less than $60 in the set-up. See Post # 56 here: http://67-72chevytrucks.com/vboard/s...=444378&page=3

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Old 02-26-2011, 01:19 AM   #15
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Re: No Limit 63-72 Rear Shock Kit

John, the '67-'72 trucks use a similar lower shock mount with the lower end of the shock in single shear. I agree that a bracket providing double shear would be better.

This shock relocation kit appears to mimick the '60-'62's. Those years had both shocks mounted to the rear, much the same as this kit.
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Old 02-27-2011, 05:38 PM   #16
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Re: No Limit 63-72 Rear Shock Kit

Quote:
Originally Posted by Captainfab View Post
John, the '67-'72 trucks use a similar lower shock mount with the lower end of the shock in single shear. I agree that a bracket providing double shear would be better.

This shock relocation kit appears to mimick the '60-'62's. Those years had both shocks mounted to the rear, much the same as this kit.
Not so much worried about the bolt since the bolt being used is designed for single shear (larger shank with integral hex). I am concerned about the bending moment on the lower bracket. Notice the difference between the lower bracket shown above and the lower brackets in the photo below.

The gusset and short bent leg on the brackets below go a long way in helping to reduce bending stresses in the bracket. I ran a quick FEA just to see how the addition of gussets effect this type of design: Assuming a safety factor of 1 on a lower shock bracket without any gusstes, by adding gussets, such as those shown below, the safety factor increases to nearly 3.5. Wow, now that is a pretty dramatic safety factor increase!

Interestingly enough the start of this thread is duplicated here and this same topic is being discussed: http://67-72chevytrucks.com/vboard/s...d.php?t=444928

I thought double posting of a thread was "Verboten"?
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Old 02-27-2011, 07:37 PM   #17
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Re: No Limit 63-72 Rear Shock Kit

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Originally Posted by lakeroadster View Post
...I thought double posting of a thread was "Verboten"?
We allow a reasonable degree of flexibility in posting to our Forum Vendors. Especially when they are bringing a new product to our members.
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Old 02-28-2011, 08:32 AM   #18
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Re: No Limit 63-72 Rear Shock Kit

I added a post on the duplicate thread so those guys could join in over here, and vice-versa. http://67-72chevytrucks.com/vboard/s...Rear+Shock+Kit

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Old 02-28-2011, 09:13 AM   #19
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Re: No Limit 63-72 Rear Shock Kit

The only issue I can see with this, is if someone (like myself) who is running a rear mount fuel tank. Without dropping the tank, those upper mounts aren't easily accessible.
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Old 01-03-2017, 05:37 PM   #20
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Re: No Limit 63-72 Rear Shock Kit

I just ordered this shock kit for my 72 with a 6" drop. No limit said to call back to order the shocks after parts are installed for correct measurement. I need to do this all at one time, anyone done a 6" drop setup and what shock did you use?

Thsnks,
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Old 01-03-2017, 09:41 PM   #21
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Thumbs up Re: No Limit 63-72 Rear Shock Kit

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I just ordered this shock kit for my 72 with a 6" drop. No limit said to call back to order the shocks after parts are installed for correct measurement. I need to do this all at one time, anyone done a 6" drop setup and what shock did you use?

Thsnks,
Don't know about the 6" drop but I have been running this kit for 3/4 years now and it's awesome!
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After talking to tech support at Air Lift I have found out that the kit I need is 60811. Per the measurements I gave them. Ride height of truck inside spring and inside diameter of springs.
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Old 01-04-2017, 08:58 AM   #22
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Re: No Limit 63-72 Rear Shock Kit

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Don't know about the 6" drop but I have been running this kit for 3/4 years now and it's awesome!
What drop do you have and do you recall the length of shock you used?
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Old 01-04-2017, 10:19 AM   #23
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Re: No Limit 63-72 Rear Shock Kit

I know this sounds odd, but some of it has to do with how the drop is done. Block or spring, and, is it would be, all springs are not created equal. So, we could guess, and get it right 80% of the time, or, we could do this in a two step process, and get it right 100% of the time.
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Old 01-04-2017, 12:27 PM   #24
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Re: No Limit 63-72 Rear Shock Kit

Quote:
Originally Posted by robnolimit View Post
I know this sounds odd, but some of it has to do with how the drop is done. Block or spring, and, is it would be, all springs are not created equal. So, we could guess, and get it right 80% of the time, or, we could do this in a two step process, and get it right 100% of the time.
OK...with that being said. My truck is lowered with 4" CCP springs + 1.75" blocks/plate overall 5.75" lowered ~6". What would be your recommended shock length listed with your kit?
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Old 01-04-2017, 12:46 PM   #25
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Thumbs up Re: No Limit 63-72 Rear Shock Kit

Mine has un know 4" springs in back and 3" up front. I have helper air bags in all 4 of them. Between the shocks and the helper bags my truck rides as good as any new truck out there.
I have a 08 Tahoe all factory a 11 Terverse all factory and I'll drive my truck anytime over either one of those weather permitting.
No I do not have the measurement on the shocks but they are the blue shocks that Rob offered in the kit when I bought it.
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It sucks not being able to hear!

LWB trucks rule, if you don't think so measure your SWB!
After talking to tech support at Air Lift I have found out that the kit I need is 60811. Per the measurements I gave them. Ride height of truck inside spring and inside diameter of springs.
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