Installation of a 4-Pt. Harness...what a day

[goodcookiedrift]

Instead of post whoring on various forums on the net, i decided what better idea than to install my freshly aquired Simpson 4-pt harness.

the task is quite simple. bolt in 4 eyelit studs for each point of the harness to clip onto. Well tickle me pink and call me horseshit, because as soon as i stepped foot into Brafasco, did i realize, Japan must be the only place on the globe to manufacture and utelize so generously metric fine-thread bolts.

Seems like Brafasco and the rest of the western world doesn't know too much about the metric system. Full of disapointment and flustered with aggravation, I hopped in my macho baby blue sedan and drove home in a hissy fit.

one hour later and 45 minutes left before BRafasco closes, I had an epiphany. Needless to say, I drove there like Paul Tracy on crack, weaving in and out of traffic just to make it to Brafasco on time. On a side-note, whoever owns a dark blue ae92 with white rims (lowered a bit and an exhaust) ...thanks for getting in my fucking way, it was greatly appreciated!!!

the end resulted in me buying four imperial eyelit bolts, washers and ny-lock nuts.
the project: drill four holes out of the floor of my beloved ae86 and attach one eyelit botl to each hole fastened with the washers and nylock nuts.

simple enough, and it looks good. a perfect DIY for anyone with time to kill. my only concern is that a) the top straps aren't at the right angle potentially causing serious injury and or damage to me or the car and b) when the shit hits the fan, the force will probably rip my floor pan out. oh well, minute problems.

Nick

pics to come...

Nick

[DerekDorifto]

Hey Nick,
MR2 guys have a problem mounting harnesses because the rear firewall is so close to the seatbacks, so it's a little bit of a challange. The solution for MR2's without rollcages is to use titanium eye-let bolts with a hefty heavy duty muthafacka giant washer on the other side to distribute the load in the event of a collision. Metal Supermarket sells titanium by weight / cut to size and you can buy titanium bolts and washers from specialty racing catalogues via mail order if you want piece of mind.

Seeya tomorrow night, I'm going to Peter's to pick up more stuff too...

[Lafora]

that either sounds like ahmed aka xenon, or the guy with that GT wing AE92 with a 20V

[fatredcircle]

Originally Posted by goodcookiedrift

Instead of post whoring on various forums on the net, i decided what better idea than to install my freshly aquired Simpson 4-pt harness.

the task is quite simple. bolt in 4 eyelit studs for each point of the harness to clip onto. Well tickle me pink and call me horseshit, because as soon as i stepped foot into Brafasco, did i realize, Japan must be the only place on the globe to manufacture and utelize so generously metric fine-thread bolts.

Seems like Brafasco and the rest of the western world doesn't know too much about the metric system. Full of disapointment and flustered with aggravation, I hopped in my macho baby blue sedan and drove home in a hissy fit.

one hour later and 45 minutes left before BRafasco closes, I had an epiphany. Needless to say, I drove there like Paul Tracy on crack, weaving in and out of traffic just to make it to Brafasco on time. On a side-note, whoever owns a dark blue ae92 with white rims (lowered a bit and an exhaust) ...thanks for getting in my f**king way, it was greatly appreciated!!!

the end resulted in me buying four imperial eyelit bolts, washers and ny-lock nuts.
the project: drill four holes out of the floor of my beloved ae86 and attach one eyelit botl to each hole fastened with the washers and nylock nuts.

simple enough, and it looks good. a perfect DIY for anyone with time to kill. my only concern is that a) the top straps aren't at the right angle potentially causing serious injury and or damage to me or the car and b) when the sh*t hits the fan, the force will probably rip my floor pan out. oh well, minute problems.

Nick

pics to come...

Nick

oh don't you worry..the ones i have are heavy duty....good enough for 8000lbs and 10kn. but i remeber reading something that the top straps should be at a 10 degree angle.

Nick

[mr_sinister]

imperial is the sux0rz.. i hate it when i take my car to an exhaust shop or something and they start throwing on the imperial sized bolts!

as for the belt angle, i sometimes see people bolt the shoulder straps to the rear seat lap belt anchor points.. I think most people try to use the rear seat shoulder belt anchor point when they can.. but i've seen it done the other way too.. (whether or not that means anything.. i dunno haha)

[Flashmn]

You drilled them onto the floor? Tell me you didnt put the shoulder straps to go straight down after they leave the seat?
For people not familiar with the installation of harnesses, the shoulder straps are optimal when they are parallel with the car and attach to something behind htat.. but can have +10deg above and -45deg below the parallel chord that runs at the shoulderstrap holes in the backrest, but NEVER go straight down, because in a crash they will compress your spine and with bad luck snap it like a twig.

[goodcookiedrift]

Originally Posted by Flashmn

You drilled them onto the floor? Tell me you didnt put the shoulder straps to go straight down after they leave the seat?
For people not familiar with the installation of harnesses, the shoulder straps are optimal when they are parallel with the car and attach to something behind htat.. but can have +10deg above and -45deg below the parallel chord that runs at the shoulderstrap holes in the backrest, but NEVER go straight down, because in a crash they will compress your spine and with bad luck snap it like a twig.

no no. they are not running straight down. right now they are at a 45 degree angle latched onto forged steel eye-let bolts anchored in the rear.

but i remember something about 10 degrees. eventually i'm gonna have them anchored onto a rear stress bar which should put the shoulder straps at almost horizontal (parallel with the floor of the car).

Nick

[Flashmn]

Ok great, got any pics? Heh, sorry for getting all excited about that, but I've seen too many wrong installations of harnesses that make a car dangerous to be in.