Moving driver's seat back farther

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#21

01-10-2018, 11:28 PM

kakrohn

Member

Join Date: Apr 2010

Location: Holiday, Florida

Posts: 57

Quote:

Originally Posted by Tacit Blues

Performed this mod the other day. Made sure to loc-tite the bolts, too, try to help prevent anything from loosening. Very happy with it. This is a great discussion you guys are having here.

What year is this Fit? I have a 2018, would you be willing to make & sell this as a kit to me? Thanks

#22

04-09-2019, 02:51 AM

Jeradooka

New Member

Join Date: Apr 2019

Location: Idaho

Posts: 1

Hi Jeff, thanks for your solution. I think it is probably what spawned Extendmyseat.com. Unfortunately, my Fit is too old, so they do not have a bracket for it. I might have to go with your solution. For now, I have torn out my bottom cushion and replaced it with cardboard and crappy stuffing. It gets me lower, but not far enough back. I've had the car for over a year.

#23

09-21-2022, 06:21 PM

flash11569

New Member

Join Date: Jun 2022

Location: Sanford NC

Posts: 2

Sketchy???

Quote:

Originally Posted by mike410b

This is so sketchy. Why you'd buy a new car and make it unsafe is beyond me. Protip...buy a car you fit in.

I raced round track for 12 years. The aluminum seats and just bolted in. NEWS FLASH- the seat belts hold you in place. This mod, haven't done it yet but will when I get time, is more than adequate. The factory seat is bolted to stamped sheet metal floor pan anyway. Think about it...

#24

09-21-2022, 06:38 PM

flash11569

New Member

Join Date: Jun 2022

Location: Sanford NC

Posts: 2

Quote:

Originally Posted by GeorgeL

We'll have to disagree.

A quarter inch of mild steel will easily handle the stress caused by tightening the bolts to spec, and that stress is an order of magnitude greater than any stress that might be applied to the bolts by crash loads. The stock welded-in nuts are, after all, mild steel, since you can't weld heat-treated nuts.

Roll cages are made of tubing much thinner than the bar we're talking about, generally 0.083 chromoly or 0.110 mild steel, and the boss welded through the tubing is designed to spread the load over enough of the thin tubing to prevent tear-out.

The weakest points in this seat relocation setup will still be the stamped steel seat base and the nuts welded to the body sheet metal.

And, before the inevitable question is asked, yes, I am an engineer.

Thank you!