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View Full Version : Weld in SFC's Tubular or Boxed



gregrob
02-21-2009, 06:04 PM
I see BMR has both. What's the diff? I would guess the tubular ones are lighter and the boxed are stronger?

Car will be at most a H/C car with a bit of spray in the next couple years. I'm thinking the tubular ones should do fine and be the lightest but let me have it

thanx

gregrob
02-21-2009, 06:06 PM
http://www.bmrfabrication.com/sfc/SFC001Hsmall.jpg

AND

http://www.bmrfabrication.com/sfc/SFC004Rsmall.jpg

Speed Inc.
02-21-2009, 07:52 PM
tubular will be fine and it's what we use 99% of the time

street cars to 8 sec cars

AChotrod
02-21-2009, 07:55 PM
I went with tubular and they tuck up real nice.

Speed Inc.
02-21-2009, 08:02 PM
I went with tubular and they tuck up real nice.

very true and forgot to add that's the reason most chose them over boxed as well

AChotrod
02-21-2009, 08:04 PM
Listen to Larry. Hes famous!!!

gregrob
02-22-2009, 06:33 AM
Thanks Larry! and AC :D

Tubular it is. I'll give you call when I need some Larry. Probably start with a tower brace from ya here pretty soon.

Speed Inc.
02-22-2009, 10:18 AM
Listen to Larry. Hes famous!!!

LOL



Thanks Larry! and AC :D

Tubular it is. I'll give you call when I need some Larry. Probably start with a tower brace from ya here pretty soon.

sounds good

We will take care of you well on anything you need + have free shipping on most items :)

ksmyss
02-27-2009, 09:55 AM
of all the ones i put in for people the tubular alway tuck up better. they are 99.9% of the time hidden unless you crawl under the car and look up into the rocker area. the boxed tend to hang down lower and are sometimes seen below the rockers.

either one will work. don't spend the extra on the double diamonds. those were designed for 5.0 mustangs and carried over to the f-body. the f-bodyies are more ridged from the factory and don't need the extra bracing or added weight.

i have tubular on mine and that is what i tell people to get if they ask me what they should get for me to put on.

the only thing i miss is having the lca braket boxed in like the pics of the boxed ones but that was an easy fix with some scrap i had laying around.

madeintheshade05
03-22-2009, 12:43 PM
i had tubular on my trans am they were awesome. tucked up perfectly. i have boxed for my z28. just because i couldnt beat the price.

BluBeaSSt
04-05-2009, 02:47 PM
Tubular all the way! Only plus to the boxed is you can jack on them

YZF
04-06-2009, 12:14 PM
Tubular all the way! Only plus to the boxed is you can jack on them

I love my SFC's. It really helps on a lowered car when trying to get it off the ground with a jack.

AChotrod
04-06-2009, 01:28 PM
I jack up mine all the time on the tubulars

Ponch95
04-07-2009, 05:30 PM
Well I have the SLP diamond Subframe's, they are without a doubt a nice set of SFC's,however, I have them because they were given to me. When I put them on I had to take off my Elec-cutouts because they would not fit with the SFC's. They really do make a big differance but so do ALL SFC's.

68z28
06-01-2009, 09:12 PM
of all the ones i put in for people the tubular alway tuck up better. they are 99.9% of the time hidden unless you crawl under the car and look up into the rocker area. the boxed tend to hang down lower and are sometimes seen below the rockers.

either one will work. don't spend the extra on the double diamonds. those were designed for 5.0 mustangs and carried over to the f-body. the f-bodyies are more ridged from the factory and don't need the extra bracing or added weight.

i have tubular on mine and that is what i tell people to get if they ask me what they should get for me to put on.

the only thing i miss is having the lca braket boxed in like the pics of the boxed ones but that was an easy fix with some scrap i had laying around.

http://umiperformance.com/images/2001a.jpg


My tubular UMI's are unseen and they have the lca bracket boxed in.

z28orshoot
06-02-2009, 04:47 AM
tubular...for several reasons. mainly the rigidity a tube is always in compression, and next for weight....the weight of round tubing is almost always les than its same size square counterpart.