Nissan 370Z Forum - DIY: How to raise your factory seat to improve visibility

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Nissan 370Z Forum (http://www.the370z.com/)

- DIY Section (Do-It-Yourself) (http://www.the370z.com/diy-section-do-yourself/)

- - DIY: How to raise your factory seat to improve visibility (http://www.the370z.com/diy-section-do-yourself/54218-diy-how-raise-your-factory-seat-improve-visibility.html)

gofaster87

05-07-2012 09:57 AM

:iagree:

Not really a safe thing to do, but hey, we all think accidents will never happen to us.

bigaudiofanat

05-07-2012 10:17 AM

Quote:

Originally Posted by zakimak (Post 1707432)

Not to rain on the parade but this mod can potentially cause serious injuries since it compromises the original seat anchor design. In the event of an accident, the seat mounting bolt might shear off. As seen in the original design, linear movement is prevented in two different points. One is the bolt and the other is the guiding pin. It prevents the seat from lifting and also moving forward. The bolt used in this mod is the only anchor point and due to the seat no longer in alignment with the original design, in an frontal accident, the seat might tilt upwards or shear the bolt off.

On that note, the bolt use in these mounting points are designed to meet certain shearing strength. I doubt any hardware store bolt can meet these criteria. With that, if there is a serious injury due to the seat coming off the mounting point, I doubt the insurer will take kindly to the mod.

I do noticed the warning and this is definitely a do it at your own peril scenario.

I wash just thinking about this, the original screws could of been made harder than the screws you buy at the hardware store. As you said it could potentially shier off during an accident.

kenchan

05-07-2012 10:57 AM

that guiding pin is there for assembly process for proper orientation.

if you look at racing seat rails, no such pin exists. but yah, do at your own risk. :)

kenchan

05-07-2012 10:58 AM

Quote:

Originally Posted by bigaudiofanat (Post 1707495)

I wash just thinking about this, the original screws could of been made harder than the screws you buy at the hardware store. As you said it could potentially shier off during an accident.

maybe in your case since you are a big guy, the floor might peel up with the seat in an event of a crash. :tup:

Pintsize725

05-07-2012 10:59 AM

To do or not to do.........:ugh2:

kenchan

05-07-2012 11:24 AM

Quote:

Originally Posted by Pintsize725 (Post 1707592)

To do or not to do.........:ugh2:

dont do it if you're uncomfortable.

forgot to mention this and i will update the DIY, but use Grade5 or Grade8 screws/bolts for this DIY.

Grade5: most automotive applications - unless numerically stamped, has these lines on the bolt head that looks like a "Y."

Grade8: automotive/tractor use for heavy duty - has more lines and looks like a astrisk mark. I use this type for when i need to replace bolts for suspension work. This is what I used in my car.

Grade2: commonly used for house hold (soft) - has no marking on the bolt head.

here's a nice pictorial link:
eBay Guides - Just what is a grade 5 or grade 8 bolt

Trips

05-07-2012 02:48 PM

I would say to go with grade 8 bolts.

But in the event of an accident?

Isn't your seatbelts and airbag supposed to keep you in place to certain degree?

I don't see an issue but to use stronger bolts But thats just me.

Again do it at your own risk :ugh2:

kenchan

05-07-2012 05:25 PM

Quote:

Originally Posted by Triple's (Post 1708009)

yep, the seat is very solid. one wouldn't notice it had spacers on the rail at all. frankly, the bolt breaking is the least of my worries. the bolt i bought from Acehardware has a stamp "8.8".

another member posted that the bolt would shear off.. "shearing off" is the wrong terminology in this case as the seat will not be sliding forward. the rear part of the rail would pull up in the event of a forward impact crash as the seat rail pivots at the front mounting bolt. i believe front anchors are on an angle for this purpose. the rear bolt is there to anchor the seat in up/down movement, not forward/aft.

Rising star

05-07-2012 05:54 PM

just put pillow on the seat...no mod necessary..lol

kenchan

05-07-2012 06:03 PM

Quote:

Originally Posted by Rising star (Post 1708342)

just put pillow on the seat...no mod necessary..lol

:icon18: is that wat you do? lol obviously you dont know anything about vehicle feedback, but hey if it works for you. :icon17:

kenchan

05-07-2012 06:04 PM

ok guys, i think ive posted enough regarding this mod. unless you have specific questions, dont post.

nobrakez

05-22-2012 04:52 PM

Im a little late to the party, but just FYI "8.8" bolts ARE NOT as strong as grade 8. More like grade 5. If it were me, I would replace those with grade 8 bolts. As far as grade 8 bolts shearing, all I can say is that is what was recomended for mounting the corbeaus in my 240z and spacers were also involved. Of course this is still at your own risk.

kenchan

05-22-2012 09:40 PM

Quote:

Originally Posted by nobrakez (Post 1731521)

yep, class 8.8 is about SAE Grade5, but that's plenty strong for this application imho. that is why i posted Grade5 in the DIY since most folks are more familiar with SAE J429. (or maybe ASTM? then A449). Grade8 would be a class 10.9 which is for heavy duty work.

cjr1881

06-03-2012 12:09 AM

How short are you ladies that need this mod? I think this is a dangerous mod. Stacking washers??? I believe you could come up with a better rig than that if it is absolutely necessary.

Pintsize725

06-03-2012 12:50 AM

Quote:

Originally Posted by cjr1881 (Post 1751365)

How short are you ladies that need this mod? I think this is a dangerous mod. Stacking washers??? I believe you could come up with a better rig than that if it is absolutely necessary.

4' 9"ish

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