Simple Front Seat Risers under $5 - JeepForum.com
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post #1 of 17 Old 01-29-2017, 12:57 AM Thread Starter
kparktika
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Simple Front Seat Risers under $5

After spending about a week behind the wheel of my first Jeep, like so many of you, I realized that the front seats were a bit too low. I am not a short guy (just shy of 6'), but still low. Naturally, I looked on-line for a solution. OMG! $60 for eight blocks of what or $25 for plastic?? No way!

First thing I did was stop by a metal supply store and pick up a short piece of a aluminum tubing (1"x2x1/8"). One inch rise worked for me.
1. Cut eight even pieces (30mm wide).
2. Drilled a 9.5mm hole in six of them (three of the four bolts on my TJ are 8x1.25 and one is 11x1.5)
The last one is not very common, so I decided to use the originals. To do that, two of the brackets had to get a slightly different design, allowing for the larger bolt to mount to the floor and a second to the seat. The one inch clearance isn't enough to put those bolts through so a side cut was needed. If you can find couple of longer M11 bolts, you don't need to do this at all.
3. These two were machined out on a mill (take a look at the pic)
4. Finally, I have a small gun case underneath the seat. The front two brackets got a a cutout for the legs of the safe (another pic).
5. Picked up six 8x1.25x55mm hex bolts and couple of shorter ones and that is it!

Believe it or not, it took less than an hour to make everything and I guarantee they work better than those sold on-line.

Pick up any size tubing you like (for your adjustment), make eight cutes and drill 8 holes and you are in business. You don't need to go as far as did with the special cut outs.

Cheers and Happy machining!

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post #2 of 17 Old 02-03-2017, 04:28 PM
OpenRoad
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Jesus, nice work kparktika. I love the gun case under the seat. Nice touch
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post #3 of 17 Old 02-06-2017, 11:00 AM Thread Starter
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Jesus, nice work kparktika. I love the gun case under the seat. Nice touch

Thank you OpenRoad!
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post #4 of 17 Old 02-06-2017, 01:31 PM
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well done.

though when i read simple i was thinking my approach. a stack of hardened washers and long grade 8( or what ever the metric is) bolts. I know the guys in our club always comment/rib me about if they ever need washer they know who has many.

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post #5 of 17 Old 02-07-2017, 10:39 PM Thread Starter
kparktika
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well done.

though when i read simple i was thinking my approach. a stack of hardened washers and long grade 8( or what ever the metric is) bolts. I know the guys in our club always comment/rib me about if they ever need washer they know who has many.
That works too )))))
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post #6 of 17 Old 02-09-2017, 07:02 PM
jimeyster
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Sometimes the simplest solution is the best. Nice job!
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post #7 of 17 Old 02-13-2017, 10:41 PM
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LOVE it!
I was talking about doing this the other day.

But I plan to make them from steel.

I may even take a shot at it this weekend!
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post #8 of 17 Old 02-23-2017, 03:58 PM
Texcana
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Wow great job. I raised the seats in my TJ with hockey pucks and longer grade 8 bolts for a cost of $3. Hockey pucks are dirt cheap in Canada.
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post #9 of 17 Old 02-25-2017, 07:09 AM
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"Hockey pucks are dirt cheap in Canada."
Quote of the day! Love it. That sounds like it should be on a T shirt.
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post #10 of 17 Old 02-26-2017, 09:47 PM
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Love it. My poor wife is only 4'11". I may have to borrow this idea. Problem is that I am 6'2" so I can't go too high if I want to still be able to drive it.

Nunya
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post #11 of 17 Old 02-27-2017, 09:58 AM
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Quote:
Originally Posted by Texcana View Post
Wow great job. I raised the seats in my TJ with hockey pucks and longer grade 8 bolts for a cost of $3. Hockey pucks are dirt cheap in Canada.
Hockey pucks are not good choices for seat risers (or any other bolted connection). The material that pucks are made of is not designed to be under constant compressive force that you create when you bolt down the seats. Over time the material can misform or degrade because of it and potentially be a safety risk.
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post #12 of 17 Old 02-27-2017, 12:12 PM
Texcana
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Originally Posted by biffgnar View Post
Hockey pucks are not good choices for seat risers (or any other bolted connection). The material that pucks are made of is not designed to be under constant compressive force that you create when you bolt down the seats. Over time the material can misform or degrade because of it and potentially be a safety risk.
You are likely correct. I doubt that compression was ever considered in the design of hockey pucks but it is a very common practice here to use them to raise seats and many other things. I have had them in my Jeep for over a year now with no sign of deformation. Like all modifications home made or professionally fabricated they should be checked from time to time to ensure they are in proper working order.

The reason I elected to use hockey pucks was because I can replace them nearly 50 times before I pay for an aftermarket kit that likely wont last any longer.
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post #13 of 17 Old 02-27-2017, 01:27 PM
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There is a thread, I think in TJ Tech, with pictures of what can happen. The thread might have been about using hockey pucks as body lift spacers, but the concept is the same.

It may be common and cheap, but I think it is something with pretty big downside. Let's say you get in an accident and the spacer fails due to degradation of the materials. Bolt will then almost certainly snap and then stress and increased load potential issues on remaining bolts. Seat may come loose or at a minimum shift a bit. Not things you want happening in an accident. And what if it isn't your seat, but a passenger. A friend or family member gets hurt. Or someone is killed and their family sues you. Your choice, but personally not something I would choose to be cheap on.
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post #14 of 17 Old 02-28-2017, 12:58 PM
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Hey Tex dont listen to biff, hockey pucks were made to stand up to repeated shock loading of compresive forces. Keep the pucks ditch the naysayers. Rock on.

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post #15 of 17 Old 02-28-2017, 05:27 PM
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Hey Tex dont listen to biff, hockey pucks were made to stand up to repeated shock loading of compresive forces. Keep the pucks ditch the naysayers. Rock on.

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You think getting hit with a stick is the same as long term, constant clamping force? There is nothing about a discrete short term shock from one side that is comparable to constant clamping force.

I took the time to look up the thread I mentioned above (which actually was about using pucks as seat risers). People can decide for themselves. Here: http://www.jeepforum.com/forum/f9/gr...33/index2.html
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