question for any one who knows??????????
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Senior Member

Joined: Jul 1999
Posts: 700
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From: Pineville, NC US
Car: An '87 Italian Retard Out Cruisin'
Engine: LS1 install in progress
Transmission: 4L60e
Axle/Gears: 9 bolt
question for any one who knows??????????
whats the difference between tubular and boxed parts like lca's and sfc's? Is one design better than the other
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1987 Iroc 350
GTS headlight/tail light covers
Camaro SS Wheels w/Sumitomo HTR ZII 275 rear, 255's in front
K&N filters
Adjustable Borla cat back
Large tube runners
ported plenum
Holley afpr
SLP 1 3/4" headders (not installed yet)
FUTURE GOAL:
To go really F'in fast!!!
Some pics of it at
http://albums.photopoint.com/j/Album...949&Auth=false
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1987 Iroc 350
GTS headlight/tail light covers
Camaro SS Wheels w/Sumitomo HTR ZII 275 rear, 255's in front
K&N filters
Adjustable Borla cat back
Large tube runners
ported plenum
Holley afpr
SLP 1 3/4" headders (not installed yet)
FUTURE GOAL:
To go really F'in fast!!!
Some pics of it at
http://albums.photopoint.com/j/Album...949&Auth=false
boxed is pretty much a DIY deal. the tubular parts are all aftermarket. you can see the differance it would cost you. i'm sure the aftermarket parts would be stronger by far.
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-=ICON MOTORSPORTS=-
1st & 3rd
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-=ICON MOTORSPORTS=-
1st & 3rd
I think what he's asking is a question I have myself. Some aftermarket control arms and sub frame connectors are made of square tubing (boxed), while others are round tube. What is the advantage/disadvantage of each type if any?
Thread Starter
Senior Member

Joined: Jul 1999
Posts: 700
Likes: 0
From: Pineville, NC US
Car: An '87 Italian Retard Out Cruisin'
Engine: LS1 install in progress
Transmission: 4L60e
Axle/Gears: 9 bolt
Originally posted by Andy89RS:
. Some aftermarket control arms and sub frame connectors are made of square tubing (boxed), while others are round tube. What is the advantage/disadvantage of each type if any?
. Some aftermarket control arms and sub frame connectors are made of square tubing (boxed), while others are round tube. What is the advantage/disadvantage of each type if any?
------------------
1987 Iroc 350
GTS headlight/tail light covers
Camaro SS Wheels w/Sumitomo HTR ZII 275 rear, 255's in front
K&N filters
Adjustable Borla cat back
Large tube runners
ported plenum
Holley afpr
SLP 1 3/4" headders (not installed yet)
FUTURE GOAL:
To go really F'in fast!!!
Some pics of it at
http://albums.photopoint.com/j/Album...949&Auth=false
Supreme Member
Joined: Nov 2000
Posts: 1,069
Likes: 1
From: So. Cal, L.A.
Car: '88 Firebird Formula 350
Engine: Built 383 TPI
Transmission: Built 700r4
Axle/Gears: 9 bolt, 3.27:1 Posi
Technically anything tubular will be stronger because of the fact that the round shape will not collapse. The real question is where the stress that would make the box collapse is being applied. For lca's the stress isn't applied where it would matter tube or box. So it doesn't really matter.
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