Originally posted by validius
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Race Skids now offer Butt Brace
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Seat Shocks....I have passed the baton to John Christy from Ninestitch. Email John or Garrett at ninestitch1@gmail.com
https://www.r3vlimited.com/board/sho...86#post4944786
Alice the Time Capsule
http://www.r3vlimited.com/board/showthread.php?t=360504
87 Zinno Cabrio barn find 98k and still smells like a barn. Build thread http://www.r3vlimited.com/board/show...20#post3455220
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:EDIT: I totally forgot about the parts 4-6 when i wrote this. The Butt Brace has my approval.
Originally posted by jeffnhiscars View PostSo you're thinking the force is more lateral than torsional ?
Here we see the car from the top down. The simplest form of twisting would be the FL and RR corners to stay fixed with the FR and RL corners to move down equally, creating a sort of diagonal taco.
This view is meant to be looking at the car from the rear. The boxes are the rear subframe bushing insert pieces that bolt to the car. In the first view, the car is not twisted. In the second, the car has twisted slightly. The distance between the ends of them is slightly smaller. The brace would act on the ends of these to fight any such displacement.
My fear with long term use of this would be that excessive stress would be placed on the mounting points of the rear sub-frame bushings. Yes, these are particularly strong points but as can be easily seem with the math, the forces on them will be quite high. There is also a twisting moment whose math i didn't write out created by the combination of the bolt force (red) and reaction from the body (blue). It's magnitude would be:T = Fbrace * X
:EDIT: I totally forgot that there is that extra bracket that ties the bottom of the rear sub-frame bushing to the pinch weld. This would be inline with the force vector Fbrace and would handle the reaction forces. I'll definitely be picking one of these up sometime.
I understand that the R&D and tooling are nontrivial to develop and bring to production something like this. That said, the price is a bit steep. I have the Race Skids front brace though and i love it.Last edited by validius; 08-29-2016, 03:55 AM.1987 325i Convertible
2015 Fiesta SFE: 1.0L of 'Woah, is that torque under 2k?'
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This style of brace has been used on the Z3 for 10 plus year without any problem.Custom Made Skid Plates For Sale.
http://www.r3vlimited.com/board/showthread.php?t=111469
http://raceskids.com/
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Would love to get a few pictures from the back level, to see how low it hangs. I'd love to get one, I'm on ground control and not too low in the back; but I am pretty worried that if I hit something I'm going to rip the whole rear end out of the car.Thank god, R3V was getting boring since the ginger kid wrecked his car. - Stonea
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Originally posted by Mwishlist View PostWould love to get a few pictures from the back level, to see how low it hangs. I'd love to get one, I'm on ground control and not too low in the back; but I am pretty worried that if I hit something I'm going to rip the whole rear end out of the car.Custom Made Skid Plates For Sale.
http://www.r3vlimited.com/board/showthread.php?t=111469
http://raceskids.com/
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Originally posted by Mwishlist View PostI have an xbrace up front and was looking tody, I doubt it could be any lower that that is.
I may be checking this out in a few weeks. I'm s52 swapped and would love to tighten up the rear end a bit.
In stock and ready to shipCustom Made Skid Plates For Sale.
http://www.r3vlimited.com/board/showthread.php?t=111469
http://raceskids.com/
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all orders shippedCustom Made Skid Plates For Sale.
http://www.r3vlimited.com/board/showthread.php?t=111469
http://raceskids.com/
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Originally posted by Julien View PostWould a group buy get price down a bit?Custom Made Skid Plates For Sale.
http://www.r3vlimited.com/board/showthread.php?t=111469
http://raceskids.com/
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Originally posted by Julien View PostWould a group buy get price down a bit?
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Originally posted by exhaust View PostI'd be interested in that!Custom Made Skid Plates For Sale.
http://www.r3vlimited.com/board/showthread.php?t=111469
http://raceskids.com/
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In for a group buyI BUY/SELL REFURBISHED CM5907s & CM5908s
HOWTOs:
DB vert plastic bumpers
OEM Keys
MTech1 docs
88 ix Lach/Card
91 ic Calypso 3.1
86 Cosmo 2.7
OEM+ or bust!
reelizmpro: I will always be an e30 guy.. I still do all of my own labor
TrentW: There's just something so right about a well-built M20 in an E30
e30m3s54turbo: I save my money for tuner parts.
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