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Old 12-21-2013, 12:58 PM   #1
364seehorn
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Join Date: Oct 2010
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Location: Spokane
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05 STI Rally Car
Aspen White

Default 05 STI Rally Build--Seat mounts and Brake System?

Building an 05 STI for Rally America Super Production Class. Im all done welding my cage up and am in the process of mounting the seats in. I bought Custom Cages seat mount kit, which consists of tubing, thin plates and seat mount tabs. My question is: Does anyone have an example of this kit installed or a similar set up? I want to reinforce the plates at which they mount to the tunnel and floor pan/rocker channel, just not sure which is the best way since its pretty thin gauge metal.

Also on the brake system: What do most guys do as far as the ABS system? Disable it and run the original lines or completely remove the module and reroute lines?

I have the build posted in NWIC forums because thats my chapter, but I get very few responses there. Heres the thread:

http://forums.nasioc.com/forums/show....php?t=2555775
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Old 12-21-2013, 03:55 PM   #2
blubug_768
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Are the custom cages seat mounts homogilated? If so their is only one way to install them.
Are you going to be running als, if so go to manual brakes, if not you could just pull the fuse or all new or on di in the rally prep section theirs a thread about a distribution block type of thing that goes in the abs brick area and still uses all the factory lines.
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Old 12-21-2013, 04:37 PM   #3
364seehorn
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The seat mounts aren't homologated, just the cage itself is. There's no rule on seat mounts, just that they have to be sturdy.
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Old 01-04-2014, 01:22 PM   #4
364seehorn
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Well this is how I ended up putting my seat mounts in. You can see the inner mounts are not center and that is because I drilled into the tunnel brace that is below for extra metal to tie into. I spot welded back into the plates from the back side which will strengthen them.









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Old 01-04-2014, 01:29 PM   #5
Ver.III
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Looks good . What about crotch belt mounts ? Most I see have the eyelets welded into the rear seat tube. I imagine that is stronger than mounting into the floor.
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Old 01-04-2014, 01:37 PM   #6
364seehorn
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Heres a pic of the holes drilled for spot welding

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Old 01-04-2014, 01:40 PM   #7
364seehorn
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Quote:
Originally Posted by Ver.III View Post
Looks good . What about crotch belt mounts ? Most I see have the eyelets welded into the rear seat tube. I imagine that is stronger than mounting into the floor.
I haven't done them yet, need to make some threaded inserts to weld in. Not sure yet what the rule is on those. I suppose I could just cut the threads on the eyelets and weld them on...
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Old 01-04-2014, 04:48 PM   #8
NGTD
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You should have a scrutineer look this over and make sure they are happy with it.
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Old 01-04-2014, 05:42 PM   #9
364seehorn
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I sent a RA tech inspector some pics and told him what I was doing and he said everything was good to go. I just forgot to ask about the 6 point harness Mount points.
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Old 01-04-2014, 05:44 PM   #10
Ver.III
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Most don't have a specific regulation of how seats are mounted aside it has to be rigid. Other option on crotch belt mounts is looping the belt around the bar instead without the hook mount, similar to how shoulder belts are mounted on the rear strut cross tube. I have seen this also on Wrc cars.
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