January 17, 2019, 04:55:16 PM

Author Topic: FD 4-point roll bar  (Read 36170 times)

Offline Random

Re: FD 4-point roll bar
« Reply #30 on: September 29, 2012, 04:43:24 PM »
Justin, is the issue with the shock tower mounts that there isn't enough "loose clearance" to clear the rear strut bolts? If so, I personally would have no problem dropping the rear struts during install just to avoid welding and messing up the powdercoat.

Just my two cents...

SOLD - '94 FD Money Pit: LS1, RSGear F-Body T56 w/ Magnum guts, RPF1s (18X9.5) on all four corners, Pettit TrakPro-StgIII, Improved Racing goodies, MGW, Powerflex bushings, and my own blood and sweat (and maybe a tear when she started for the first time).
DD: '14 Honda Ridgeline

Offline justinsamberg

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Re: FD 4-point roll bar
« Reply #31 on: September 29, 2012, 06:21:07 PM »
Justin, is the issue with the shock tower mounts that there isn't enough "loose clearance" to clear the rear strut bolts? If so, I personally would have no problem dropping the rear struts during install just to avoid welding and messing up the powdercoat.

Just my two cents...


Yes but just getting it out the door is really hard. I'm working on a trick new mount to solve this problem. It's going to raise the top of the towers about 3" or so. Which will allow us to weld a second mount to the bar. So you'll have a mont that will be bolted on first with another mount on top of that.
http://www.rx7v8.com/
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Offline justinsamberg

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Re: FD 4-point roll bar
« Reply #32 on: September 29, 2012, 07:25:30 PM »
Justin, I think it's great that you are working on producing this.  Excellent work.

Thanks Tracy, I've going to try and do a NHRA legal one as well.
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Offline 12secondscooby

Re: FD 4-point roll bar
« Reply #33 on: October 02, 2012, 11:32:15 AM »
Another interested party here pending price and SCCA/NASA legality. I would be fine with DOM to keep cost down as well.  :cheers:
93 VR Touring LS1 FD. 3015lbs w/driver. 12.00@117mph stock internals

Offline justinsamberg

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Re: FD 4-point roll bar
« Reply #34 on: October 02, 2012, 06:57:59 PM »
We just redid the hoop. It has a 30 deg rotated bend. In the picture you can see how the top portion leans forward. This makes it much easier to remove from the car. It also raises its over all height. I should have the rear mounts made up in the next day or two so you guys can see how were going to bolt this in.



« Last Edit: October 04, 2012, 11:47:32 AM by justinsamberg »
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Offline digitalsolo

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Re: FD 4-point roll bar
« Reply #35 on: October 02, 2012, 07:29:15 PM »
That's looking really nice Justin.   Good work sir.
Blake MF'ing McBride
1988 Mazda RX7 - Turbo LS1/T56/ProEFI/8.8/Not Slow...   sold.
1965 Mustang Coupe - TT Coyote, TR6060, modern brakes/suspension...  project car
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Offline krayton

Re: FD 4-point roll bar
« Reply #36 on: October 02, 2012, 11:27:59 PM »
cant wait for this. again im wanting one for personal safety


but how many bends do you have in your main hoop? is that one near the middle center? i think some racing rules state how many bends you can have on the main hoop. the one we did on my 240 was limited to 4 bends iirc


ps. the only things id look for is to keep it away from my head. but since im short doesnt look like your design would bother me

Offline justinsamberg

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Re: FD 4-point roll bar
« Reply #37 on: October 02, 2012, 11:58:55 PM »
There is one bend in the middle which is okay. What they don't want is any more bending below the two bends at the door. This bar would be good for solo time trial type racing. Club racing on the other hand requires a 6 point or 8 point roll cage so it isn't good for that but if that's what your doing then you'll probably being removing the interior and the roll bar where making is only going to work with interior installed.
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Offline Grommit

Re: FD 4-point roll bar
« Reply #38 on: October 16, 2012, 11:01:29 AM »
bringing it back,
any word or updates?
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Offline justinsamberg

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Re: FD 4-point roll bar
« Reply #39 on: October 16, 2012, 01:05:12 PM »
Where working on the strut tower mount for this. I'm making it a two piece mount so that the rear braces are a little shorter making it possible to install. Also you guys won't have to do any welding on this yourself.
http://www.rx7v8.com/
Samberg Performance Fabrication
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Offline justinsamberg

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Re: FD 4-point roll bar
« Reply #40 on: October 17, 2012, 12:49:28 PM »
This right here makes it possible to take the bar in and out of the car. You guys wont have to weld anything. I'm going to make the bolt spacing a little wider so its not so close to the tube and also raise it up about a 1/4" to make the plastic cover a tighter fit. Also I think were going to make you guys a cutting template so there's no guess work to do when your cutting out the hole in your covers.





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Samberg Performance Fabrication
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Offline Standing Z

Re: FD 4-point roll bar
« Reply #41 on: October 17, 2012, 01:29:51 PM »
This right here makes it possible to take the bar in and out of the car. You guys wont have to weld anything. I'm going to make the bolt spacing a little wider so its not so close to the tube and also raise it up about a 1/4" to make the plastic cover a tighter fit. Also I think were going to make you guys a cutting template so there's no guess work to do when your cutting out the hole in your covers.







It's open on the side so coilovers can be adjusted right?

Offline justinsamberg

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Re: FD 4-point roll bar
« Reply #42 on: October 17, 2012, 01:33:23 PM »
This car has QA1 coil overs

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Samberg Performance Fabrication
Pleasant Hill, CA
justinsamberg@gmail.com
925-484-5800

Offline Standing Z

Re: FD 4-point roll bar
« Reply #43 on: October 17, 2012, 02:41:02 PM »
This car has QA1 coil overs



Just making sure :bacon:

Offline digitalsolo

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Re: FD 4-point roll bar
« Reply #44 on: October 17, 2012, 07:13:56 PM »
That is a really slick setup.  Nice work Justin, lots of thought there.
Blake MF'ing McBride
1988 Mazda RX7 - Turbo LS1/T56/ProEFI/8.8/Not Slow...   sold.
1965 Mustang Coupe - TT Coyote, TR6060, modern brakes/suspension...  project car
2013 Focus ST3 - Stage 1 BPU