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Any changes of the frame of the truck from obs to nbs?

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Old Dec 21, 2004 | 11:44 PM
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Default Any changes of the frame of the truck from obs to nbs?

Just curious if there was any drastic frame changes, such as overall length, design, etc. Reason for asking is that I'm still thinking about ordering those traction bars for the obs trucks, and I was wondering if I'm going to have to do any length fabrication on them to work. Thanks guys.
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Old Dec 22, 2004 | 01:15 AM
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Originally Posted by slowprocess
Just curious if there was any drastic frame changes, such as overall length, design, etc. Reason for asking is that I'm still thinking about ordering those traction bars for the obs trucks, and I was wondering if I'm going to have to do any length fabrication on them to work. Thanks guys.
The frame rails on the NBS trucks (99+) are straight. Previous models had a curve over the axel.
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Old Dec 22, 2004 | 01:41 AM
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sorry but i got a dumb question but what is the difference between OBS and NBS i have a 97 and have been looking for traction bars but only find ones for 4x4's with lifts
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Old Dec 22, 2004 | 02:00 AM
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Originally Posted by haulass350
sorry but i got a dumb question but what is the difference between OBS and NBS i have a 97 and have been looking for traction bars but only find ones for 4x4's with lifts
http://www.calvertracing.com/app/app.htm
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Old Dec 22, 2004 | 10:20 AM
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OBS= Old Body Style
NBS= New Body Style
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Old Dec 22, 2004 | 10:49 AM
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you're not going to like this answer, but it's the only one.
i had a 93' silverado, and about 5 years ago, lakewood used to make traction bars for it, and i ordered them. at the time, they had cancelled the production indefinatly for the 2wd 88-98 bars. so i get sent the old c-10 style bars (74-87). i lined them up.... and they didn't quite fit.... the only thing wrong though,was that the two mounting brackets just weren't tall enough. the bar would hit the axle tube, but the brackets didn't touch the springs. simple fix though...buy some new longer bolts.... and fab yourself up some maybe 1-1.5" steel spacers, and you're good. i used about 5-6 pieces of quarter inch steel, stacked on top of each other. this may sound hokey, and i was 17 at the time.... now adays i'd buy some heavy steel and make it one piece, or have it machined. in any case....... they worked great. plus it gave you adjustability, you could get the bump on the bar as close to the spring as you wanted. this worked great, and greaty improved the truck.
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Old Dec 22, 2004 | 11:07 AM
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Two words.........LADDER BARS

They do have those for all the chevy 2wd/4wd trucks. And with those you won't get any axle wrap or wheel hop. They work just like the torque arms on the F-bodys.
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Old Dec 22, 2004 | 11:54 AM
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Originally Posted by lvstogofst2002
you're not going to like this answer, but it's the only one.
i had a 93' silverado, and about 5 years ago, lakewood used to make traction bars for it, and i ordered them. at the time, they had cancelled the production indefinatly for the 2wd 88-98 bars. so i get sent the old c-10 style bars (74-87). i lined them up.... and they didn't quite fit.... the only thing wrong though,was that the two mounting brackets just weren't tall enough. the bar would hit the axle tube, but the brackets didn't touch the springs. simple fix though...buy some new longer bolts.... and fab yourself up some maybe 1-1.5" steel spacers, and you're good. i used about 5-6 pieces of quarter inch steel, stacked on top of each other. this may sound hokey, and i was 17 at the time.... now adays i'd buy some heavy steel and make it one piece, or have it machined. in any case....... they worked great. plus it gave you adjustability, you could get the bump on the bar as close to the spring as you wanted. this worked great, and greaty improved the truck.
I do like that answer. I don't mind having to fabricating a way to make them mount up, I was just mainly concerned with the length. I have a shop and a lift I can use, along with a nice *** welder, etc.
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Old Dec 22, 2004 | 11:55 AM
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Originally Posted by Snake Eater
Two words.........LADDER BARS

They do have those for all the chevy 2wd/4wd trucks. And with those you won't get any axle wrap or wheel hop. They work just like the torque arms on the F-bodys.
I had been thinking about a ladder bar setup as well. What company makes them for our trucks, or would it be a universal type setup. Got a link?
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