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Mounting Kirkey Deluxe Road Race Seat

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  • Mounting Kirkey Deluxe Road Race Seat

    Just wanted to try to get some advice on how i should go about mounting the seats i bought. I haven't seen too many people mounting the kirkey seats in 240's. So i thought i would ask. I'm not the best with determining the best solutions for things like this off the top of my head and the weird floor layout on the 240 doesn't help either. I thought about using some square tubing as a frame and possibly retain the stock sliders so that IF i let someone else drive then they would be able to adjust for their position. Lemme know what you guys can come up with, or if you've already done such a thing let me know.

  • #2
    Search Casey's build thread, he posted up his seat mounts at one point.

    Awww, found it.
    http://nissanroadracing.com/showthre...=seat+mounting

    I thought about using some square tubing as a frame and possibly retain the stock sliders so that IF i let someone else drive then they would be able to adjust for their position
    How tall are you... by doing this, your going to kill your headroom pretty quickly. If you did use the method Casey used in the above link and use some aftermarket sliders, you might be ok. I have a sparco slider that might work
    Last edited by McCoy; 11-16-2009, 12:20 PM.
    -Monty

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    • #3
      I put a Kirkey Intermediate Road Race in mine back about Feb.
      I don't think you're going to like what I had to do.....

      How tall are you? I'm only 5-9/ 5-10 or thereabouts.. not very tall.
      My big issue was helmet clearance with the roll cage. In order for my helmet to clear (which is still hits after I added the padding to the roll bar), I had to bolt the seat directly to the floor.

      In order to get it to sit flat enough, we had to beat the exhaust hump out of the floor. That of course required removal of the main cat for clearance and extensive heat-shielding to keep from toasting me arse with exhaust heat.

      To actually fasten the seat to the floor, we used some 1/4" thick 3" dia discs with a 1/2" hole drilled in the center. we then TIG welded a 7/16-20 grade 8 nut onto the bottom of the disc.

      once we found out exactly where the seat was going to go, we drilled some 1/2" holes through the seat and marked them on the floor.

      Once marked, we pulled the seat out and used those marks as the centers and used a ~1" hole saw there to cut an opening in the floor and then dropped the discs w/ nuts into place. We checked fittment with the seat and then welded the discs to the floor. On a couple of them, we had to stack a couple discs up to make it more level and raise the seating position just a hair, but that's no big deal. stacked a couple discs there and then tacked them into place.


      http://blehmco.com/pics/240SX/roll_cage/DSCN0001.jpg
      http://blehmco.com/pics/240SX/roll_cage/DSCN0039.jpg
      http://blehmco.com/pics/240SX/roll_cage/DSCN0149.jpg
      http://blehmco.com/pics/240SX/roll_cage/DSCN0153.jpg
      http://blehmco.com/pics/240SX/roll_cage/DSCN0219.jpg
      http://blehmco.com/pics/240SX/exhaust/DSCN0260.jpg

      Obviously this is for a caged, track-only car.. I wouldn't do this for a street car.
      Originally posted by SoSideways
      I don't care what color they are as long as they are LONG AND HARD.
      '04 G35 Sedan 6MT- The DD
      '96 240SX- The Track Toy

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      • #4
        Wow ok i guess i might be in a bit of trouble. I am about 5'11" but i have longer legs than torso. So really once i'm sitting down i'm not that close to the headliner. I don't have a cage in the car yet but i don't plan at the moment to put any bars running along the A pillars or near my head. I'll look further into what Casey did and see what i can come up with. I currently don't run a catalytic converter, just a test pipe.

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        • #5
          I cut the floor out where the cat used to be and lowered it so i could mount the seat very firmly and low. I am 6'4" and i have adjusted my seat another 1" lower since initial mounting for head to cage clearance. I didnt want to mount it to the floor for safety reasons so i made a little frame i welded in, then mounted the seat very low on that so i could still reach the wheel and shifter easily. I also added a back support that bolts to my harness bar so the seat is NASA legal and doesnt flex at all anymore.

          The Kirkey seats also provide more hold on your body than most regular CF/FRP seats, i really enjoy them on track.









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          • #6
            Nice looking back support. keep an eye on the edges where the harnesses rub against it though. I would think the aluminum shouldn't cut into the belts, but take a look and see.
            Originally posted by SoSideways
            I don't care what color they are as long as they are LONG AND HARD.
            '04 G35 Sedan 6MT- The DD
            '96 240SX- The Track Toy

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            • #7
              I'm surprised everyone is having headroom issues with these seats I expected them to be much lower than the standard issue overpriced seats everyone runs (sparco Brideetc.)

              I'm only about 6'1 but I have issues in the stock seat with a helmet on (and I don't have a cage in yet but plan on one...

              Shoot
              I am SKULLWORKS

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              • #8
                The headroom is much better with no sunroof. The power sunroof is the worst one for headroom. I took everything out and am making a CF panel to replace the glass. Then use a no sunroof headliner.

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                • #9
                  I think a lot of that is due to cage design in my car.

                  If you move the halo bar up and in (away from the window frame) a hair, I think it would do some good.

                  didn't find a good shot, but you can see what I mean from here:
                  http://blehmco.com/pics/240SX/roll_cage/DSCN0004.jpg
                  http://blehmco.com/pics/240SX/roll_cage/DSCN0003.jpg
                  http://blehmco.com/pics/240SX/roll_cage/DSCN0002.jpg

                  I have TONS of clearance above my head- I can put my helmet on while belted in the car- but I have problems hitting the halo once you put 1" thick padding on it.
                  If you move it up and in, it will go above my head instead of beside it. but is that what you want? i.e. a rollover at that point might leave your head exposed for a side impact if the roof collapsed inward.
                  Originally posted by SoSideways
                  I don't care what color they are as long as they are LONG AND HARD.
                  '04 G35 Sedan 6MT- The DD
                  '96 240SX- The Track Toy

                  Comment

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