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Twilightoptics
Hardcore (12sec Club)
Joined: 13 Jan 2004
Posts: 9191
Location: Auburn , WA
1987 Chevrolet Camaro IROC-Z
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 Posted: Sat Nov 15, 2008 5:37 pm Post subject: Torque Arm done! Now I need a driveshaft |
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Finished the torque arm and crossmember today. Also welded in some reloation brackets. Rebuilt the crossmember to adapt to the new arm. Will add a safety loop after I get a driveline in there. Don't know what DIA I'll end up with yet, and the one I have isn't a good piece to measure around LOL. A little warped. The whole mess weighs in at only 22lbs. My old crossmember weighed 7lbs as it was!
Special shout out to Alloy for helping with some measurements!
Tomorrow I'll bolt everything back in when the paint dries and hang the sway bar.
Here are some pictures.
Last edited by Twilightoptics on Sat Nov 15, 2008 8:28 pm; edited 2 times in total |
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Twilightoptics
Hardcore (12sec Club)
Joined: 13 Jan 2004
Posts: 9191
Location: Auburn , WA
1987 Chevrolet Camaro IROC-Z
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| Posted: Sat Nov 15, 2008 5:37 pm Post subject: |
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Schultzy89GTA
M.R.A. (11sec Club)
Joined: 08 Jan 2004
Posts: 4417
Location: Gresham, OR
1989 Pontiac GTA
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| Posted: Sat Nov 15, 2008 6:05 pm Post subject: |
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That looks tough man 
Very nice.
-Schultzy
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Red Sled: 89 GTA, 383, TKO, N2O
12.73 @ 109.39, 1.793 60 \ 11.794 @ 121.16, 1.62 60 (old combo) |
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blue89
Member
Joined: 23 May 2006
Posts: 3482
Location: Bellingham/Eugene
1986 Chevrolet Camaro RS
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| Posted: Sat Nov 15, 2008 6:40 pm Post subject: |
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Sickness. Do you think that the torque arm mount will flex the crossmember being that far away from the bolts? Thats what I'm worried about on mine. I like your torque arm though, looks really beefy!
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E30
86 RS - 7.4L V8 SOLD
89 RS - 3.25L V6 REMOVED
89 RS - 5.7L LT1 SOLD
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Twilightoptics
Hardcore (12sec Club)
Joined: 13 Jan 2004
Posts: 9191
Location: Auburn , WA
1987 Chevrolet Camaro IROC-Z
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| Posted: Sat Nov 15, 2008 7:05 pm Post subject: |
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| blue89 wrote: | | Sickness. Do you think that the torque arm mount will flex the crossmember being that far away from the bolts? Thats what I'm worried about on mine. I like your torque arm though, looks really beefy! |
Pretty much did the copy design but changed a few things. Like the lower mount on the shackel is bushed instead of solid. Also got rid of the two vertical bolts and made it bolt into straight to the housing. One of the benefits of building yourself. If it was all store bought you'd have the plate that bolted to the housing. Then the two vertical torque arm bolts mounting the TA bracket. Then the 2 bolts for the rod ends! Cluster F--- I say! KISS - Keep It Simple Stupid
Here is a pick of Schultzy's. You can see it's not all that far back.
Plus With it back as far, you can see in one of my pictures, the huge gusset on the pass side. The angle is 3/16". Last time I had 1/8 and it flexed BIG time. SO I welded another piece of 1/4 inside it but it was about 1/2 the dimmensions. It didn't flex then, and I didn't have a gusset. Just a down piece the size of the cross piece.
Plus... if you look at the spohn piece for a T56, it's actually less beefy and in the same locale.
I don't have any reservations with this. Even with the stickies and my power. |
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Dewey316
The Lama
Joined: 08 Jan 2004
Posts: 7295
Location: Bringing the tech
1990 Chevrolet Camaro RS
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| Posted: Sat Nov 15, 2008 7:16 pm Post subject: |
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| Looks good Paul! The bushing for the lower pivot mount is a great idea! THat should make it opperate better, and be much quiter than the spohn design. |
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Twilightoptics
Hardcore (12sec Club)
Joined: 13 Jan 2004
Posts: 9191
Location: Auburn , WA
1987 Chevrolet Camaro IROC-Z
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| Posted: Sat Nov 15, 2008 7:17 pm Post subject: |
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| Dewey316 wrote: | | Looks good Paul! The bushing for the lower pivot mount is a great idea! THat should make it opperate better, and be much quiter than the spohn design. |
Thanks!
I went one step farther and treated it like a shackle. I used a shoulder bolt. All I have to do is tighten it down and it stops like there was the metal spacer inside, except it's built into the bolt... so I get a thicker bolt. Not even bothering with a Zerk. A little Energy lube and go. |
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iansane
Member
Joined: 16 Jan 2004
Posts: 5742
Location: Bothell
1991 Pontiac Trans Am
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| Posted: Sat Nov 15, 2008 8:58 pm Post subject: |
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| That looks awesome. Really good. I like the lower bushed design. |
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Twilightoptics
Hardcore (12sec Club)
Joined: 13 Jan 2004
Posts: 9191
Location: Auburn , WA
1987 Chevrolet Camaro IROC-Z
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| Posted: Sun Nov 16, 2008 12:51 pm Post subject: |
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| Here are some more pictures. Finished it up this morning. Any one have a 40 1/4" Ujoint Center to Center driveshaft laying around ? LOL I want to see how this thing handles now with the arm and sway bar in conjunction with the 9"! |
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Twilightoptics
Hardcore (12sec Club)
Joined: 13 Jan 2004
Posts: 9191
Location: Auburn , WA
1987 Chevrolet Camaro IROC-Z
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| Posted: Sun Nov 16, 2008 12:51 pm Post subject: |
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| One more. |
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GREG DAVIDSON
Member
Joined: 15 Mar 2008
Posts: 1159
Location: Salem
1989 Pontiac Formula
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| Posted: Sun Nov 16, 2008 1:38 pm Post subject: |
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dam that looks really good !
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Al Hasse
Member
Joined: 19 Nov 2005
Posts: 4379
Location: Bremerton, WA
1992 Chevrolet Camaro RS
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| Posted: Sun Nov 16, 2008 2:04 pm Post subject: |
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That's going to have a hard time bending 
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92 Camaro
89 Camaro
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brandyland
Member
Joined: 21 Feb 2008
Posts: 343
Location: Brandyland, WA
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| Posted: Sun Nov 16, 2008 2:48 pm Post subject: |
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| Al Hasse wrote: | | That's going to have a hard time bending |
He'll find a way. 
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Jenn
Member
Joined: 03 Feb 2007
Posts: 362
Location: hangin with my boys
1987 Pontiac Firebird
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| Posted: Sun Nov 16, 2008 3:47 pm Post subject: |
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Twilightoptics
Hardcore (12sec Club)
Joined: 13 Jan 2004
Posts: 9191
Location: Auburn , WA
1987 Chevrolet Camaro IROC-Z
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| Posted: Sun Nov 16, 2008 5:37 pm Post subject: |
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| brandyland wrote: | | Al Hasse wrote: | | That's going to have a hard time bending |
He'll find a way. |
Nah. It'll just be something else! |
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Al Hasse
Member
Joined: 19 Nov 2005
Posts: 4379
Location: Bremerton, WA
1992 Chevrolet Camaro RS
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| Posted: Sun Nov 16, 2008 6:13 pm Post subject: |
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| Always is. Fix one problem only to find/create another |
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Quasi-Traction
"I have petals"
Joined: 24 Oct 2005
Posts: 3873
Location: stumptown
1986 Chevrolet Camaro Berlinetta
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| Posted: Mon Nov 17, 2008 3:56 am Post subject: |
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Awesome work paul!
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91RSVert
Member
Joined: 16 May 2007
Posts: 2736
Location: AR
1991 Chevrolet Camaro RS
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| Posted: Mon Nov 17, 2008 4:40 am Post subject: |
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I have a spohn one. I never did understand why he didnt bushing that stuff. Makes for alot of clunking noises.
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2008 GMC Z71
1991 Camaro RS Vert
1972 Jimmy 4x4
20ft Longhorn Car Hauler
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Twilightoptics
Hardcore (12sec Club)
Joined: 13 Jan 2004
Posts: 9191
Location: Auburn , WA
1987 Chevrolet Camaro IROC-Z
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| Posted: Mon Nov 17, 2008 9:41 pm Post subject: |
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Looks like Strange is the way to go on a driveline. $239 for a 3" chrome-moly shaft w/ 1350 U-joints + the cost of slip yolk (Strange 1350 Yolk $65).
Way cheaper than most places I've seen like Spohn and Denny's which are just standard steel shafts.
Woot! Now..... fund rasier! Errr... Who needs something welded? |
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91RSVert
Member
Joined: 16 May 2007
Posts: 2736
Location: AR
1991 Chevrolet Camaro RS
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| Posted: Tue Nov 18, 2008 4:39 am Post subject: |
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| I do, but thats a damn long expensive drive or fly. |
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