Rollbar strength
Thread Starter
Race Director
Joined: May 2000
Posts: 17,101
Likes: 4
From: No more yankee my wankee, the Donger is tired!
Rollbar strength
For those of you who have been considering a rollbar from DRM, EM or RD, this is to show you how much more rigid everything is.
Normally when you jack from the rear, the front tire of the same side is the one lifted off of the ground. At this height, the front tire is still on the ground.
Normally when you jack from the rear, the front tire of the same side is the one lifted off of the ground. At this height, the front tire is still on the ground.
Team Owner
Joined: Mar 2001
Posts: 30,839
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From: Boston, Dallas, Detroit, SoCal, back to Boston MA
People worry about the weight, but they don't realize how much stronger the car is when it's done. 
BTW from the looks of it you can do what another forum member did, store the top by putting it in on top of the downtubes. Just leave it facing 'forward'
BTW from the looks of it you can do what another forum member did, store the top by putting it in on top of the downtubes. Just leave it facing 'forward'
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Now I really need to drag my 8 point down from up stairs and weld it in my car..Just more things to do 
Thread Starter
Race Director
Joined: May 2000
Posts: 17,101
Likes: 4
From: No more yankee my wankee, the Donger is tired!
Originally Posted by 6spd
now the only place where this is welded/bolted in is where it's cut out??
Yes 4 points, welded in, only where it is cut out. Here is a front angle.
Pro
Joined: Feb 2004
Posts: 641
Likes: 16
From: O'Fallon MO
Originally Posted by BrianCunningham
People worry about the weight, but they don't realize how much stronger the car is when it's done.
BTW from the looks of it you can do what another forum member did, store the top by putting it in on top of the downtubes. Just leave it facing 'forward'
BTW from the looks of it you can do what another forum member did, store the top by putting it in on top of the downtubes. Just leave it facing 'forward'
Thread Starter
Race Director
Joined: May 2000
Posts: 17,101
Likes: 4
From: No more yankee my wankee, the Donger is tired!
Originally Posted by redbullapril23
did you weld in your self?
how much would it cost to get one welded in you think?
how much would it cost to get one welded in you think?
Originally Posted by redbullapril23
also can you run 5 pts off this?
Originally Posted by zelement
please show your front wheel/brakes setup. Did you get the brakes from EM?
Rich, your jack is doing great. Want me to bring it home saturday morning? Also when does your tranny get back?
Drifting
Joined: Aug 2004
Posts: 1,830
Likes: 1
From: atlanta Georgia
the rear down tubes... did they have to cut holes to get down to the frame?
and can they weld it in without...taking the rear suspension out...to get to it from the bottom?
thanks alot your friend
Sean
and can they weld it in without...taking the rear suspension out...to get to it from the bottom?
thanks alot your friend
Sean
Race Director
Joined: Dec 2002
Posts: 13,345
Likes: 230
From: SCMR Rat Pack'r Charter Member..Great Bend KS
Originally Posted by Jeffvette
Normally when you jack from the rear, the front tire of the same side is the one lifted off of the ground. At this height, the front tire is still on the ground.
If this is true, then the picture means you have somehow changed the weight distribution of the car.
Increasing torsional stiffness doesn't affect weight distribution...are you sure you are using the same jacking point?
Larry
code5coupe
Melting Slicks
Joined: May 2001
Posts: 3,270
Likes: 26
From: Winchester VA
Cruise-In V Veteran
Originally Posted by rocco16
If this is true, then the picture means you have somehow changed the weight distribution of the car.
Increasing torsional stiffness doesn't affect weight distribution...are you sure you are using the same jacking point?
Larry
code5coupe
Increasing torsional stiffness doesn't affect weight distribution...are you sure you are using the same jacking point?
Larry
code5coupe
It looks like the jack is closer to the centerline of the car than the normal jacking point. Almost like it's being lifted from the rear diff ,this is what you would expect to happen.
That said, with my roll bar installed and jacking from the rear jack point, the front tire comes up VERY quickly and there is no creaking and crackling.