i have the takata 4 point racing harness and im looking for direction in the installation process. can anyone help me out here?

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by VTEC_PRODUCTION &raquo;</TD></TR><TR><TD CLASS="quote">can anyone help me out here?</TD></TR></TABLE>

I'll start with saying you shouldn't use a 4-point belt. 5-point or 6-point is better.

If you have a stock seat belt, you can use the bottom 2 points for the base of the belt on the door-side and on the latch side by the exhaust tunnel (on the tunnel or on the seat, wherever it attaches)
The shoulder belts need to go on a harness bar on a roll bar, at an angle about 10 degrees downward from your shoulder or flat, and held relatively closely together on the harness bar.

You can buy a harness bar separately from a roll bar, but that might end up being more dangerous than the stock seatbelt.

But, you probably don't want to use it, even if it's Takata green.

 

get a harness bar, kinda pricey but cheaper than breaking your back

here is a good link for the install
http://www.sandmracing.com/ssabelt.html

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by danjensen &raquo;</TD></TR><TR><TD CLASS="quote">get a harness bar, kinda pricey but cheaper than breaking your back

here is a good link for the install
http://www.sandmracing.com/ssabelt.html
</TD></TR></TABLE>

Don't get a harness bar, get a rollbar or use the stock belt.
Use a 5-point and a rollbar.

 

whats wrong with a harness bar? im not trying to start an argument, i was under the impression they were safe.

 

please, for the love of God, dont mount them the way youll see pics of when people 'X' the shoulder belts and mount them to the floor behind the driver (somewhere in the rear seat area)

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by danjensen &raquo;</TD></TR><TR><TD CLASS="quote">whats wrong with a harness bar? im not trying to start an argument, i was under the impression they were safe.</TD></TR></TABLE>

the problem with "just a harness bar" locks the driver/passenger in a full upright position. an in the instance of a crash resulting a roll over, your head will get crushed by the collapsed roof on each impact causing you major spinal chord injuries,because once your latched into the belts they remove all side to side and foward and backward body movement of each driver/passenger. the safer way is to mount them in conjuction with a rollbar/cage,or rollbar and harness bar... think safety first.


Modified by jdm civic 2000 at 9:16 AM 2/12/2008

 

^ well that makes sense, thanks man

 

I would never get in a student's car that has a standard 4pt harness (i.e. Takata 4pt). I would rather wear the OEM seatbelts.

Video shows why: http://www.hmsmotorsport.com/docs/SchrothASMII.wmv

 

that dummy needs a Hans

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Another Drew &raquo;</TD></TR><TR><TD CLASS="quote">I would never get in a student's car that has a standard 4pt harness (i.e. Takata 4pt). I would rather wear the OEM seatbelts.

Video shows why: http://www.hmsmotorsport.com/docs/SchrothASMII.wmv</TD></TR></TABLE>

I am so with you on this one. Student has 4pt...sorry I'm not getting in.

 

what do you mean by "student" ?

so are you saying the sparco 4 point harnesses i have are completely worthless and that i need to get a 5 point?

 

It depends what you want to use it for. Honestly, I spent money on a 4-pt and it's sad to say but it was a waste because I'm getting into road racing and HPDE. I would feel better with a 5-pt in those circumstances. The 4-pt seems to be better suited for an autocross car.

 

i guess.

so with a 5 point, you have to drill into the chassis? or do most 5 pt harnesses come with pre made mounting points?

i have an eg btw...

 

You have to drill with a 4-pt too. With a 5-pt you have to drill 2 holes, one under the seat for the eye-bolt and one on the tunnel in the middle for the lap belt bolt. For the 4-pt you just have to drill for the lap belt bolt on the tunnel. By tunnel I mean where the e-brake handle is. Take measurements and make it even with where the other lap belt bolt is by the door and make it even, then using a backing plate under the car, bolt it down.

Some seat brackets come with a spot to bolt a belt to but don't be mistaken, it's only if your going to use stock seat-belts, it's not for harnesses.

 

hm.
i have a roll bar in my car and the harnesses just go over the place for the harness. and then the 2 bolts in the back for where the rear seats are.
i assume my setup is incorrect?

 

That should be fine, I'm talking about the lap belts. They should both be bolted down to the chassis like the shoulder belts and not to the seat bracket.

 

by student we mean we are hpde instructors. if out student for that weekend had 4 point only belts we would not ride with them. also, if the driver has a harness done correctly and the passanger only has stock belt, some instructors wont ride. they want equal safty percutions for driver and passanger. i, fo one, am much more comfortable in de cars with roll protection, proper belts and seats. hell, i had a student with a 944 racecar and that was the most comfortable car to ride in. felt very safe.

now, as far as mounting belts, http://www.sandmracing.com/ssabelt.html that is a great write up. after u read that, feel free to ask any questions reguarding mounting.
-

 

4 point belts are great for autocross and that is it. Don't drive on the street with it.

If you are going to put a 5 point belt in you have to make a sacrifice and drill a hole in the floor. Make sure you use a proper backing plate. Before you put the backing plate on a nice bead of RTV sealant around the hole if the car is still driven on the street.

Most cars have locations where you can bolt an eyebolt on the trans tunnel and on the door sill. I know in my Subaru the threads in those two locations are different then the rest of the car as in they are NOT metric threads.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Lo-Buck EF &raquo;</TD></TR><TR><TD CLASS="quote">now, as far as mounting belts, http://www.sandmracing.com/ssabelt.html that is a great write up. after u read that, feel free to ask any questions reguarding mounting.
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In this install they use a anti-sub belt on a stock ITR seat. Is this safe? Would this work on a pair of JDM ITR recaros? Do you need to have a bucket to run 5 points?

 

using anything but a stock belt on a stock seat is not recommended. people do it (i have) but its not the best way.
jdm recaros dont have a passage for the sub belt if i remember.

 

I have the Schroth 4pt ASM harness that is show in that video; are we saying in this thread that with an after market seat and the belt properly tied to the rear seatbelt upper section (on an EG hatch for example) the harness is unsafe? The angle is less than 10* on the belt, and the lower points are attached to the chassis. I'm not quite understanding why 4 pts w/ ASM such as Schroth's are not street safe either; it would seem to me in the video that they are being compared to stock belts and non ASM belts, and come out far better.

Edit: I have been in an nasty accident in a car with an identical setup to mine (Sparco FIA approved seat (fixed back) w/ Schroth 4pt ASM harness (properly installed) and I came out a lot better than I should have. In fact, it's the reason I'm running the same set up in my car right now. If it's dangerous however, I would like to know.

 

what do you mean by:

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by rclark &raquo;</TD></TR><TR><TD CLASS="quote"> rear seatbelt upper section</TD></TR></TABLE>

?

The c-pillar?

 

not sure which pillar, but the upper seat belt bolt in place on the back, below the upper plastic.

edit: I think it's the C pillar

 

Ok, so you must have the schroth 3pt then because the 4pt would bolt on the bottom seat belt locations in two areas. The 3pt is better IMO because it keeps it at a slight whereas the 4pt would go behind and down at an aggressive angle. What you have is safe for the street considering you don't flip the car over.