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Old 02-07-2016, 01:47 PM   #141
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Nice work and congratulations on solving the roll bar height! Guess you're not gonna sell it now.
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Old 02-07-2016, 02:27 PM   #142
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Too lazy to go back and find it but I'm laying claim to the bolt in rear hump idea.
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Old 02-07-2016, 03:16 PM   #143
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Quote:
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Too lazy to go back and find it but I'm laying claim to the bolt in rear hump idea.
100%

I meant to give you credit but posted this in a hurry
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Old 02-08-2016, 02:41 PM   #144
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Got the seat installed last night. I'll post photos soon, but the short version is that it is awesome. It is surprisingly comfortable, and easy to get in and out of. Because it sits me so much lower in the car, I feel like my head is where a normal Japanese person's head would be, so everything is better. I was also able to route the seatbelt through the waist belt harness holes, and my head is below the point of hitting the roll bar, so it should be as safe as stock.
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Old 02-08-2016, 02:43 PM   #145
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Quote:
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It is surprisingly comfortable
Nobody believes me when I say this

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and easy to get in and out of
LIES
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Old 02-08-2016, 02:47 PM   #146
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I should qualify by saying that the Sparco Sprint V I had in before was a PITA got get in and out of, and the Kirkey Pro Drag is surprisingly easy to get in and out of for a racing seat. I still need a little practice to do it with any semblance of grace, but it's seriously not bad.
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Old 02-08-2016, 03:06 PM   #147
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ILUVALRACESEATS.

Don't forget to brace the back.
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Old 02-08-2016, 03:07 PM   #148
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SADFab has your back. (we're working on a back brace)
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Old 02-08-2016, 03:58 PM   #149
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The back of the seat is less than a fist width from the back of the car, and the headrest part is touching the roll bar. Not sure how far it can go...

Also, Aidan, you get a poscat for the awesomeness of sadfab.
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Old 02-08-2016, 04:02 PM   #150
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Quote:
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The back of the seat is less than a fist width from the back of the car, and the headrest part is touching the roll bar. Not sure how far it can go...

Also, Aidan, you get a poscat for the awesomeness of sadfab.
Doesn't matter. If it's not constrained to the rollbar (which still isn't the best attachment location), the center of the seat will still likely buckle backwards and hit the rear of the car. Even though it's close, any impact is going to be much worse than a still seat.
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Old 02-08-2016, 04:06 PM   #151
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On a side note, did you get you lower bracing banged with a hammer yet? Curious as to what it took to get the flex pipe to not hit.
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Old 02-08-2016, 04:15 PM   #152
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Quote:
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On a side note, did you get you lower bracing banged with a hammer yet? Curious as to what it took to get the flex pipe to not hit.
I bought myself a harbor freight sledge and wailed on it for a while. Not even a dent. Made lots of noise though.

I'm thinking I could use some big *** flat steel and bolt it on, then cut away the top section. I'll lose some structural rigidity since that center tube is super strong, but it should be better than nothing. I'd weld it but I don't have a welder... yet
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Old 02-08-2016, 04:24 PM   #153
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How much is it hitting. Could you put a few washers in between the body and the frame on the bolts. To space the frame down slightly?
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Old 02-08-2016, 04:30 PM   #154
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Quote:
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How much is it hitting. Could you put a few washers in between the body and the frame on the bolts. To space the frame down slightly?
It's in direct contact, so I need to make enough space so that it doesn't hit when driving over bumps or hard turns. Spacing it down a bit could buy a bit of extra space, so maybe I could just cut away some material and then space it down 1/4 inch or so.
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Old 02-08-2016, 08:28 PM   #155
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SADFab inspiration:

Seat Base: https://www.miataturbo.net/build-thr...6/#post1125642

Seatback Brace: https://www.miataturbo.net/build-thr...9/#post1130499

Don't even think of going on track with an unbraced AL seat. If you do, I'll come over and break your back myself.
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Old 02-08-2016, 08:34 PM   #156
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Gracias.

Are those exhaust clamps? I would switch to axle u-bolts.
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Old 02-08-2016, 08:40 PM   #157
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Quote:
Originally Posted by hornetball View Post
SADFab inspiration:

Seat Base: https://www.miataturbo.net/build-thr...6/#post1125642

Seatback Brace: https://www.miataturbo.net/build-thr...9/#post1130499

Don't even think of going on track with an unbraced AL seat. If you do, I'll come over and break your back myself.
Holy jebus that's fine work. I'm just trying to slap this thing together so I can fit in my car and not die.
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Old 02-08-2016, 09:10 PM   #158
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Aidan's got you covered! And, yes, to not die is the objective.
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Old 02-08-2016, 09:55 PM   #159
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I am happy to weld that brace for you but we can't cut the thing here.
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Old 02-09-2016, 01:33 PM   #160
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Here is the seat installed:



The seatbelt receiver is from a 1.6 and I removed the plastic and metal stiffening pieces. I'll use a bit of bungee to hold it loosely out of the way so I can just sit down without having to hold it up. When I'm buckled in, the receiver is just above the edge of the seat so it is both comfortable, and functions as it should.

For the back brace, there isn't much space back there (see the key fob is being held in place). Also note that my roll bar type doesn't have an easily accessible horizontal bar. It's under the parcel shelf. What if I made two smaller back braces - one from each vertical bar - that attach just below the harness hole on each side. And/or maybe a piece of square tubing just wide enough to fit in the back so it makes contact with the horizontal part of the roll bar (but isn't bolted to the roll bar). Thoughts?





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Back From the Dead Build Thread-80-2016_02_09_09_09_49_ac3435bf45620c47e651c4545433ec9e4e9c7664.jpg   Back From the Dead Build Thread-80-2016_02_09_09_11_09_67afe26e5c8359f3f188cc86af72adb28d20b32f.jpg   Back From the Dead Build Thread-80-image_202016_02_09_20at_209_28_51_20am_51a88be79b7719b0e0c22b0c4ba1e0fbdb94096f.png  
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