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back brace #881056
12/15/10 07:30 PM
12/15/10 07:30 PM
Joined: Jul 2004
Posts: 653
Fredericksburg Va
P
plycuda Offline OP
mopar
plycuda  Offline OP
mopar
P

Joined: Jul 2004
Posts: 653
Fredericksburg Va
anyone buy competion engineering back brace it looks like its both braces C9105 http://www.competitionengineering.com/catalog/CategoryDisplay.asp?CatCode=10086 but when you look it up in summit it says sold individually. think this is a set. yes I have brain damage.

Re: back brace [Re: plycuda] #881057
12/15/10 07:35 PM
12/15/10 07:35 PM
Joined: Jun 2010
Posts: 3,112
LONG ISLAND
fishy340 Offline
master
fishy340  Offline
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Joined: Jun 2010
Posts: 3,112
LONG ISLAND
save ur cash and get the moser one out of summit,unlike comp it will actually fit

Re: back brace [Re: plycuda] #881058
12/15/10 07:37 PM
12/15/10 07:37 PM
Joined: Jun 2003
Posts: 52,972
Romeo MI
MR_P_BODY Offline
Master
MR_P_BODY  Offline
Master

Joined: Jun 2003
Posts: 52,972
Romeo MI
Both parts are in a set... otherwise if it was only
a side it would ask LEFT or RIGHT(they are different
EDIT
its real easy to make them from 2 X 3 tubing and a set
of dividers and a band saw(I make my own)

Last edited by MR_P_BODY; 12/15/10 07:39 PM.
Re: back brace [Re: MR_P_BODY] #881059
12/15/10 07:43 PM
12/15/10 07:43 PM
Joined: Feb 2005
Posts: 5,207
Menomonee Falls
DemonDust Offline
master
DemonDust  Offline
master

Joined: Feb 2005
Posts: 5,207
Menomonee Falls
Not to hijack your thread, but when you weld these in do you have to do it in a jig? I've heard it warps the housing?


SDG Motorsports
Hellcat Demon and Redeye Supercharger CNC Porting
https://www.sdgmotorsports.com/
Re: back brace [Re: MR_P_BODY] #881060
12/15/10 07:43 PM
12/15/10 07:43 PM
Joined: Jan 2003
Posts: 25,920
United Socialist States of Ame...
T
tboomer Offline
Too Many Posts
tboomer  Offline
Too Many Posts
T

Joined: Jan 2003
Posts: 25,920
United Socialist States of Ame...
Quote:

Both parts are in a set... otherwise if it was only
a side it would ask LEFT or RIGHT(they are different
EDIT
its real easy to make them from 2 X 3 tubing and a set
of dividers and a band saw(I make my own)



There we have it!! Mike is retired witha new shop...I can see it now...Riff-Raff Engineering!! How bout it,Mike!!


Need your rear end checked out? Contact Grizzly!!
Re: back brace [Re: DemonDust] #881061
12/16/10 11:37 AM
12/16/10 11:37 AM
Joined: Aug 2008
Posts: 4,070
Mo.
racerx Offline
master
racerx  Offline
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Joined: Aug 2008
Posts: 4,070
Mo.
Quote:

Not to hijack your thread, but when you weld these in do you have to do it in a jig? I've heard it warps the housing?


In my opinion that would be the best way I've weld a couple with the weld a " method and switch to prevent warpage and to seem not to get around it.

Re: back brace [Re: racerx] #881062
12/16/10 11:40 AM
12/16/10 11:40 AM
Joined: Feb 2005
Posts: 5,207
Menomonee Falls
DemonDust Offline
master
DemonDust  Offline
master

Joined: Feb 2005
Posts: 5,207
Menomonee Falls
Quote:

Quote:

Not to hijack your thread, but when you weld these in do you have to do it in a jig? I've heard it warps the housing?


In my opinion that would be the best way I've weld a couple with the weld a " method and switch to prevent warpage and to seem not to get around it.




So if I'm reading this correctly you stitch welded an inch at a time and alternated areas? And it still warped the housing?


SDG Motorsports
Hellcat Demon and Redeye Supercharger CNC Porting
https://www.sdgmotorsports.com/
Re: back brace [Re: DemonDust] #881063
12/16/10 11:44 AM
12/16/10 11:44 AM
Joined: Aug 2008
Posts: 4,070
Mo.
racerx Offline
master
racerx  Offline
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Joined: Aug 2008
Posts: 4,070
Mo.
Quote:

Quote:

Quote:

Not to hijack your thread, but when you weld these in do you have to do it in a jig? I've heard it warps the housing?


In my opinion that would be the best way I've weld a couple with the weld a " method and switch to prevent warpage and to seem not to get around it.




So if I'm reading this correctly you stitch welded an inch at a time and alternated areas? And it still warped the housing?


That's correct.and always seems to have to cut the ends off and re weld the backing plates in a jig

Re: back brace [Re: tboomer] #881064
12/16/10 12:12 PM
12/16/10 12:12 PM
Joined: Jun 2003
Posts: 52,972
Romeo MI
MR_P_BODY Offline
Master
MR_P_BODY  Offline
Master

Joined: Jun 2003
Posts: 52,972
Romeo MI
Quote:

Quote:

Both parts are in a set... otherwise if it was only
a side it would ask LEFT or RIGHT(they are different
EDIT
its real easy to make them from 2 X 3 tubing and a set
of dividers and a band saw(I make my own)



There we have it!! Mike is retired witha new shop...I can see it now...Riff-Raff Engineering!! How bout it,Mike!!




Been that way for a while... fab work and welding
and working on my cars keeps me going.... I stitch
weld the brace then add the ends

Re: back brace [Re: fishy340] #881065
12/16/10 01:29 PM
12/16/10 01:29 PM
Joined: Jul 2004
Posts: 19,317
State of confusion
T
Thumperdart Offline
I Live Here
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I Live Here
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Joined: Jul 2004
Posts: 19,317
State of confusion
Quote:

save ur cash and get the moser one out of summit,unlike comp it will actually fit


Exactly..........mine fit like a glove and is helping to keep my heap together.


72 Dart 470 n/a BB stroker street car `THUMPER`...Check me out on FB Dominic Thumper for videos and lots of carb pics......760-900-3895.....
Re: back brace [Re: Thumperdart] #881066
12/16/10 02:57 PM
12/16/10 02:57 PM
Joined: Feb 2005
Posts: 5,207
Menomonee Falls
DemonDust Offline
master
DemonDust  Offline
master

Joined: Feb 2005
Posts: 5,207
Menomonee Falls
Anyone have pics of how they jig up an 8 3/4?



SDG Motorsports
Hellcat Demon and Redeye Supercharger CNC Porting
https://www.sdgmotorsports.com/
Re: back brace [Re: DemonDust] #881067
12/16/10 03:23 PM
12/16/10 03:23 PM
Joined: Aug 2003
Posts: 43,173
Bend,OR USA
C
Cab_Burge Offline
I Win
Cab_Burge  Offline
I Win
C

Joined: Aug 2003
Posts: 43,173
Bend,OR USA
I know several shops that did more than one 8 3/4 and nine inch Fords back brace by stitch welding 1/2 to 1 inch at a time on the top of the left side first and then did the bottom right side next and switch back and forth letting each side cool for several minutes before coming back to the same side. They used a mig machine(wire welder) I don't know what diameter wire or heat setting but only one of there jobs warped the rear end housing due to getting in a hurry


Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
Re: back brace [Re: Cab_Burge] #881068
12/16/10 05:38 PM
12/16/10 05:38 PM
Joined: Apr 2010
Posts: 142
Maryland
S
Sick 660r Offline
member
Sick 660r  Offline
member
S

Joined: Apr 2010
Posts: 142
Maryland
If the rear becomes warped what can you do to fix it?


2000 dakota 418 magnum paxton novi 2k T56
Re: back brace [Re: DemonDust] #881069
12/16/10 06:36 PM
12/16/10 06:36 PM
Joined: Dec 2003
Posts: 22,696
Bitopia
J
jcc Offline
If you can't dazzle em with diamonds..
jcc  Offline
If you can't dazzle em with diamonds..
J

Joined: Dec 2003
Posts: 22,696
Bitopia
Yes, but first keep in mind a jig is mainly for ease of welding and to verify proper alignment, no jig will prevent by itself warping.

And if it warps a reasonable amount, first fix is to cut off housing ends, realign, and then reweld carefully.


Reality check, that half the population is smarter then 50% of the people and it's a constantly contested fact.
Re: back brace [Re: Sick 660r] #881070
12/16/10 06:43 PM
12/16/10 06:43 PM
Joined: Jun 2003
Posts: 52,972
Romeo MI
MR_P_BODY Offline
Master
MR_P_BODY  Offline
Master

Joined: Jun 2003
Posts: 52,972
Romeo MI
Quote:

If the rear becomes warped what can you do
to fix it?





A press and or a torch with a rosebud and a press

Re: back brace [Re: DemonDust] #881071
12/17/10 05:18 AM
12/17/10 05:18 AM
Joined: Nov 2008
Posts: 660
San Diego
formula S Offline
mopar
formula S  Offline
mopar

Joined: Nov 2008
Posts: 660
San Diego
Quote:

Anyone have pics of how they jig up an 8 3/4?




I used a 10" I-beam about six feet long and a piece of 3/4"x 3"x 6' flat bar to make my fixture. I took the flat bar and set it on top of the I-beam and welded it so it was 3" high, then I set the housing face down, you will have to notch it common to the gasket surface. Next you need to clamp it to the fixture then tack it in several places, now remove your clamps and get your back brace, fit it, tack it, and weld it, no need to stitch it ,just let it cool in the fixture before you remove it, it wont pull if you do it this way

Re: back brace [Re: jcc] #881072
12/17/10 05:38 AM
12/17/10 05:38 AM
Joined: Nov 2008
Posts: 660
San Diego
formula S Offline
mopar
formula S  Offline
mopar

Joined: Nov 2008
Posts: 660
San Diego
Quote:

Yes, but first keep in mind a jig is mainly for ease of welding and to verify proper alignment, no jig will prevent by itself warping.

And if it warps a reasonable amount, first fix is to cut off housing ends, realign, and then reweld carefully.


The fixture I made works really well and prevents any warping at all. I have seen housings that were warped, the axles wont go in straight because the bearing dosent line up with the housing, not the case with this method. The I-beam and flat bar are really heavy duty and dont see any heat, so no fixture warpage.

Re: back brace [Re: racerx] #881073
12/17/10 02:56 PM
12/17/10 02:56 PM
Joined: Oct 2004
Posts: 8,165
Left Coast
B
BobR Offline
master
BobR  Offline
master
B

Joined: Oct 2004
Posts: 8,165
Left Coast
Quote:

Quote:

Not to hijack your thread, but when you weld these in do you have to do it in a jig? I've heard it warps the housing?


In my opinion that would be the best way I've weld a couple with the weld a " method and switch to prevent warpage and to seem not to get around it.




Most people don't have a jig. I didn't when I did my brothers. I did and inch or 2 at a time and moved around. No warpage at all.

Re: back brace [Re: BobR] #881074
12/18/10 12:51 PM
12/18/10 12:51 PM
Joined: Feb 2005
Posts: 2,709
NJ central
S
Scamp408 Offline
master
Scamp408  Offline
master
S

Joined: Feb 2005
Posts: 2,709
NJ central
any pics of the premade or homemade

Re: back brace [Re: BobR] #881075
12/18/10 12:56 PM
12/18/10 12:56 PM
Joined: Jan 2003
Posts: 32,394
Q
Quicktree Offline
I Win
Quicktree  Offline
I Win
Q

Joined: Jan 2003
Posts: 32,394
Quote:

Quote:

Quote:

Not to hijack your thread, but when you weld these in do you have to do it in a jig? I've heard it warps the housing?


In my opinion that would be the best way I've weld a couple with the weld a " method and switch to prevent warpage and to seem not to get around it.




Most people don't have a jig. I didn't when I did my brothers. I did and inch or 2 at a time and moved around. No warpage at all.


I have done more than a few, if the axels are in they kind of act like a jig imo. I fully let the small welds cool before doing more. they may not be perfect if they were put on a jig but they have never caused any problems.

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