Mounting Race Seats - Page 4 - Miata Turbo Forum - Boost cars, acquire cats.

Welcome to Miataturbo.net   Members
 


Race Prep Miata race-only chat.
Sponsored by:
Sponsored by:

Reply
 
 
 
LinkBack Thread Tools Search this Thread
Old 11-18-2010, 02:32 PM   #61
Tour de Franzia
iTrader: (6)
 
hustler's Avatar
 
Join Date: Jun 2006
Location: Republic of Dallas
Posts: 29,114
Total Cats: 351
Default

I cut the humps off the the rear seat mounts and gained about 2" of headroom.
hustler is offline   Reply With Quote
Old 11-18-2010, 02:53 PM   #62
Senior Member
iTrader: (1)
 
Join Date: Jul 2008
Location: Granbury, TX.
Posts: 1,278
Total Cats: 1
Default

Quote:
Originally Posted by hustler View Post
I cut the humps off the the rear seat mounts and gained about 2" of headroom.
+1 Feel like I'm driving a Vette because I can't see all of the hood anymore.
Machismo is offline   Reply With Quote
Old 11-18-2010, 02:58 PM   #63
Junior Member
iTrader: (3)
 
Join Date: Apr 2010
Location: Cary, NC
Posts: 494
Total Cats: 6
Default

you mean you cut the humps out of the floor? or cut the bent tabs on the end of the stock mounts to use for your race seat?
rigidbigelsworth is offline   Reply With Quote
Old 11-18-2010, 03:00 PM   #64
Senior Member
iTrader: (1)
 
Join Date: Jul 2008
Location: Granbury, TX.
Posts: 1,278
Total Cats: 1
Default

Actually cut the rear humps out of the floor. There is ample metal underneath them. Take your time and don't cut more than you have to.
***Edit - Our seats have custom brackets made for mounting. You're welcome Hustler
Machismo is offline   Reply With Quote
Old 11-18-2010, 03:22 PM   #65
Junior Member
iTrader: (3)
 
Join Date: Apr 2010
Location: Cary, NC
Posts: 494
Total Cats: 6
Default

willing to snap a picture when you get a chance? i might be interested in cutting the floor. so the hump is actually a separate layer of metal on top of a separate layer of flat metal floorboard? i want to get as low as I can to stay safe on the street. my head is right in front of the bar right now.
rigidbigelsworth is offline   Reply With Quote
Old 11-18-2010, 03:24 PM   #66
Senior Member
iTrader: (1)
 
Join Date: Jul 2008
Location: Granbury, TX.
Posts: 1,278
Total Cats: 1
Default

I'll see if I have any pics... or get you one. Yes, they are two separate pieces which create a cavity.
Machismo is offline   Reply With Quote
Old 11-18-2010, 03:28 PM   #67
Junior Member
iTrader: (1)
 
Join Date: May 2010
Posts: 70
Total Cats: 0
Default

Quote:
Originally Posted by rigidbigelsworth View Post
you mean you cut the humps out of the floor? or cut the bent tabs on the end of the stock mounts to use for your race seat?
Curious what you mean by "bent tabs on end of stock mounts." I'm looking to put in a seat mostly for headroom, but I don't want to carve up the floor (want to be able to go easily back to stock.)
Disaster is offline   Reply With Quote
Old 11-18-2010, 03:55 PM   #68
I haz no trubo
iTrader: (2)
 
Oscar's Avatar
 
Join Date: Jan 2007
Location: Bolton, UK
Posts: 3,021
Total Cats: 114
Default

We cut the humps out of our racecar too. Driver is well over 6'. Bent the rear tabs flat and used some backing plates underneath the car to bolt it down.
Oscar is offline   Reply With Quote
Old 11-18-2010, 04:06 PM   #69
Tour de Franzia
iTrader: (6)
 
hustler's Avatar
 
Join Date: Jun 2006
Location: Republic of Dallas
Posts: 29,114
Total Cats: 351
Default

Quote:
Originally Posted by Machismo View Post
+1 Feel like I'm driving a Vette because I can't see all of the hood anymore.
I can't see over the dash either, lol. I think that's why so many people jack with me and they're surprised to see a former Mr. Universe unload to break them over my knee.
hustler is offline   Reply With Quote
Old 11-18-2010, 10:58 PM   #70
Senior Member
iTrader: (1)
 
Join Date: Apr 2010
Location: Portales, NM
Posts: 837
Total Cats: 2
Default

Quote:
Originally Posted by hustler View Post
I can't see over the dash either, lol. I think that's why so many people jack with me and they're surprised to see a former Mr. Universe unload to break them over my knee.
jbrown7815 is offline   Reply With Quote
Old 11-19-2010, 04:02 PM   #71
Junior Member
iTrader: (3)
 
Join Date: Apr 2010
Location: Cary, NC
Posts: 494
Total Cats: 6
Default

disaster: i was thinking of just cutting the bent ends of the stock sliders to attach to universal mounts in order to utilize the stock mounting location. dunno if thats possible, i just thought thats what he meant
rigidbigelsworth is offline   Reply With Quote
Old 12-03-2010, 03:21 PM   #72
Newb
 
Join Date: Jun 2006
Location: Teh Back 40
Posts: 17
Total Cats: 0
Default

Quote:
Originally Posted by rigidbigelsworth View Post
willing to snap a picture when you get a chance? i might be interested in cutting the floor. so the hump is actually a separate layer of metal on top of a separate layer of flat metal floorboard? i want to get as low as I can to stay safe on the street. my head is right in front of the bar right now.
Here's a picture of a rear seat mount nub on the passenger side... driver side is similar.

http://picasaweb.google.com/10424768...37066235936482

There's two ways to do it...

1) you can drill out the spot welds, remove the entire piece and then figure out how to seal up the holes.

2) you can cut the nubs out with your preferred tool of choice, leaving the flat welded part of the metal that's already against the body intact. I like to use a 6" deathwheel and an air powered reciprocating saw here, followed up with a grinding wheel to get it flush/remove sharp edges.

Hope this helps!
Rrrracer is offline   Reply With Quote
Old 03-03-2011, 05:49 AM   #73
Senior Member
iTrader: (4)
 
Join Date: Nov 2009
Location: Toronto, ON
Posts: 1,479
Total Cats: 6
Default

Bringing this back up from the dead. I want to redo my seat mounts.

My Sparco Sprint V has 4 M8 (iirc) bolts that hold it to any sort of rail, are these even thick enough...it is a FIA approved seat. Another option I would consider is to remove the stock seat mount humps and bolt the seat directly through the floor with M8 grade8 bolts and backing plates. It just seems a bit odd that the Sparco would have such small bolts while the stock seat is bolted in with something like 7/16" bolts.

Is something like this safe (found on CR)? I would probably add two pieces of steel across the floor to connect both sides if the notch is acceptable.




dgmorr is offline   Reply With Quote
Old 03-03-2011, 09:38 AM   #74
Junior Member
iTrader: (3)
 
Join Date: Nov 2007
Location: Boston / '90 Mariner Blue
Posts: 310
Total Cats: 14
Default

That looks like what my Spec builder had done on my seats.
alik is offline   Reply With Quote
Old 03-03-2011, 10:52 AM   #75
Senior Member
iTrader: (1)
 
Join Date: Jul 2008
Location: Granbury, TX.
Posts: 1,278
Total Cats: 1
Default

dgmorr - I would prefer to see Cold-rolled steel used instead of hot-rolled. Cold rolled will not crack when bending and no need for relief cut to be welded back together. It is a good idea to box the two together with cross bracing as you mentioned. Then it becomes one piece instead of two trying to do the same job.
Machismo is offline   Reply With Quote
Old 03-03-2011, 08:07 PM   #76
Junior Member
 
Join Date: Dec 2010
Location: Phoenix
Posts: 146
Total Cats: 3
Default

Quote:
Originally Posted by Machismo View Post
dgmorr - I would prefer to see Cold-rolled steel used instead of hot-rolled. Cold rolled will not crack when bending and no need for relief cut to be welded back together. It is a good idea to box the two together with cross bracing as you mentioned. Then it becomes one piece instead of two trying to do the same job.
This. It should be fine with the weld, but it's definitely better to form it without notching it first, where possible.

Edit: BTW, thanks for the pics, dgmorr. That last one is a pretty clear illustration of what I'd eventually like to do.
Nate99 is offline   Reply With Quote
Old 03-04-2011, 03:07 AM   #77
Elite Member
iTrader: (13)
 
Join Date: Dec 2009
Location: Fraser Valley, British Columbia
Posts: 2,502
Total Cats: 13
Default

My seat is mounted with a custom rail. It's as low and as far back as you can physically put a side mount with the humps still there. I can stick about 5 sheets of paper between the carpet and the bottom of the seat. The seat won't go further back because it will interfere with the bolts to the humps and the roll bar. I don't think cutting the humps would really get me any more height substantial enough to be worth it. But I can swap my stock seats in and out which is nice.
falcon is offline   Reply With Quote
Old 07-03-2011, 02:24 PM   #78
Elite Member
iTrader: (11)
 
Join Date: Feb 2009
Posts: 2,982
Total Cats: 10
Default

In an effort to do as little work as possible installing my seats, I ran across this:

http://www.wedgeengineering.net/HOME...6/Default.aspx

You can give them the car and the type of seat and they will fab the bracket. They also apparently make the sliders that the seat companies sell with their seats. I'm getting a quote on a set to fit my buddy clubs.

And also came across this:

http://www.good-win-racing.com/Mazda...t/61-0555.html

http://www.good-win-racing.com/mazda...61-0555PA.html
miatauser884 is offline   Reply With Quote
Old 07-03-2011, 10:26 PM   #79
Senior Member
iTrader: (4)
 
Join Date: Nov 2009
Location: Toronto, ON
Posts: 1,479
Total Cats: 6
Default

Post up a quote if you get one.

I've seen those good-win mounts, they're good if you are the correct height for the holes they already have drilled. They look like they'd be too close to the wheel in my car. 949Racing has posted pics of a mount they're working on, looks very good.

In the mean time, I've sent this off to a water jet to see how well they work. I'll post pics when I get them back.
http://www.projecttrackday.com/?p=1089
dgmorr is offline   Reply With Quote
Old 07-04-2011, 12:43 PM   #80
Elite Member
iTrader: (11)
 
Join Date: Feb 2009
Posts: 2,982
Total Cats: 10
Default

Quote:
Originally Posted by dgmorr View Post
Post up a quote if you get one.

I've seen those good-win mounts, they're good if you are the correct height for the holes they already have drilled. They look like they'd be too close to the wheel in my car. 949Racing has posted pics of a mount they're working on, looks very good.

In the mean time, I've sent this off to a water jet to see how well they work. I'll post pics when I get them back.
http://www.projecttrackday.com/?p=1089
Man, that is exactly what I am looking for. If you need a minimum quantity to run, then let me know. I need a driver and passenger side. The sets I see around are for bottom mount seats, then you have to spend another $50 for side mounts, and you still have to do fab work. No Thanks, this is the ticket.
miatauser884 is offline   Reply With Quote
 
 
Reply

Related Topics
Thread Thread Starter Forum Replies Last Post
Project Gemini - Turbo Civic on the Cheap Full_Tilt_Boogie Build Threads 59 Yesterday 09:00 PM
SimExperience fiberglass race seat in Chicago area chris101 Miata parts for sale/trade 2 10-09-2015 10:08 AM
Back to Stock Part Out!! Turbo Parts, MS2 Enhanced 01-05, Suspension, and MOAR! StratoBlue1109 Miata parts for sale/trade 16 10-02-2015 10:39 AM
NA Seat Sliders and Seat Belt Receivers skipstr Miata parts for sale/trade 2 09-28-2015 11:53 PM


Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off



All times are GMT -4. The time now is 03:42 AM.