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Old 11-16-2008, 11:04 PM   #1
irish44j
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09 OPB SM WRXsedan
85 BMW E30 M2 Rallycrossr

Default harness - child seat anchors, or eyebolts into seat belt mounts.

Just looking for some input. In other cars I've bolted eyebolts into the rear seatbelt mount positions, but the WRX has the "latch" system for child seats, with the bars down below the seat (and also on the rear deck). Are the latch mounts strong enough for autocross harness use, or should I just stick with eyebolts in the seatbelt mounts?
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Old 11-17-2008, 04:53 AM   #2
Counterfit
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I know there's a harness bar that mounts to the tether mounting points, but I can't think of who makes it.
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Old 11-17-2008, 01:22 PM   #3
deebee8
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why not get a harness bar?
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Old 11-17-2008, 01:45 PM   #4
misterwaterfallin
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If your talking about mounting the shoulder straps, neither. Unless you get a scroth quick fit kit, it's not safe to mount them that far low. If you dont have a cage, or a harness bar if your just using it for auto-x, dont get harnesses
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Old 11-17-2008, 02:13 PM   #5
fengrr
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Use schroth quick fits.
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Old 11-17-2008, 03:14 PM   #6
leecea
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I found this info on LATCH...

Quote:
There is growing interest in using the top tether and lower anchors for children in harnessed forward-facing carseats that have weight limits above 40 pounds. The government safety standards do have a safety margin above that, and were based on a combined child and carseat weight of 65 pounds. It is possible that some automakers added a safety margin above that. Even so, it is best to check with your vehicle's manufacturer and carseat manufacturer if this is an issue, especially if your child exceeds 48 pounds. Unfortunately, some companies may not have this information readily available for consumers.
However, it is not easy to use this info. If LATCH is rated for 65lbs at some impact speed, how does that match against the force exerted by your upper body weight at autox speeds?

FYI, I have my 4-pt mounted to the C-pillar seatbelt mount.
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Old 11-17-2008, 06:21 PM   #7
irish44j
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Quote:
Originally Posted by Counterfit View Post
I know there's a harness bar that mounts to the tether mounting points, but I can't think of who makes it.
Quote:
Originally Posted by deebee8 View Post
why not get a harness bar?
I was under the impression that harness bars are not legal for DS. Forgive me, I've been driving in EP for years, which is more or less anything goes...so I haven't had to pay much attention to the rules details

Quote:
Originally Posted by leecea View Post
I found this info on LATCH...

However, it is not easy to use this info. If LATCH is rated for 65lbs at some impact speed, how does that match against the force exerted by your upper body weight at autox speeds?

FYI, I have my 4-pt mounted to the C-pillar seatbelt mount.
thanks, that's the informtion I was looking for.

Quote:
Originally Posted by misterwaterfallin View Post
If your talking about mounting the shoulder straps, neither. Unless you get a scroth quick fit kit, it's not safe to mount them that far low. If you dont have a cage, or a harness bar if your just using it for auto-x, dont get harnesses
In a technical sense of course I would agree (I've been autocrossing/using harnesses for about 15 years), but I would disagree about the usage. For speed work, no I would definitely never mount that low due to issues of spinal compression in a high-speed collision. For autocross, though, that is "generally" not a concern to me...in autocross the harness is less for safety and more for holding the driving in place. I'm sure we could debate this point forever, but why bother, really...we both know how harnesses are "supposed" to be used correctly.

But again, I'm not asking about which harness mount area is safe, etc....I was just interested in the load ratings of the LATCH tabs....
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Old 11-17-2008, 09:04 PM   #8
leecea
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FYI, harness bar is OK for DS as long as it doesn't serve any other purpose (like bracing).

I think you've already covered all the reason's why it is not really needed for autox.
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Old 11-18-2008, 12:07 AM   #9
bcblues
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Yes, most "sliding type" bars are Stock class legal.
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