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Old 10-29-2006, 10:18 AM
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Apologize in advance Ladderbar vs 4/3 Link

Okay, I've searched all the discussions about 4 link vs. 4 bar vs. triangulated 4 link vs. wishbone vs. ladder bar and still have a question.

I'm in the process of going airbag on the back and realize there's some good stuff out there available but I still need to ask a question.
Is there anything inherently wrong with a ladder bar setup? In the old days, we ran coils mounted and ladderbars all the time with great results but I see that has become the least used technology these days. Assuming the ladderbars have adjustment to enable some limited fine tuning, what am I missing that makes them undesirable?

It'll be on a 41 Chevy Coupe, not looking to race it or drive it everyday or cross-country...... Thanks everybody.......John

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Old 10-30-2006, 03:47 AM
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ladder bar

Their is absolutely nothing wrong with a ladder bar setup, As for the 4 link setups they work best for drag cars, because they are more ajustable. Run your ladder bar, i personally have a 1998 Sonoma pro-Street car and expect it to run mid 10's with ladder bar setup.

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Old 10-30-2006, 06:24 AM
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The main reason folks do not run ladder bars IMHO is they use up so much room under the car. A lot of them require floor modifications and do not leave a lot of room for the exhaust. I prefer the 4 bar set up myself. I have used about everything over the years ( except air bags ) and found the 4 bar set up to work the best for me ...

You can see my latest project ( with 4 bars on coils ) in my project journal.

Deuce ...
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Old 10-30-2006, 07:27 AM
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Ladders don't have to take up much room. I made a set for a mid powered car and mounted them like truck arms or slapper bars -- bolted right under the axle. Used 2"x1" 11 gauge tubing welded to the stock axle plate so I kept the shock mounts. Use shims from a 4x4 shop to set pinion angle. Since you've run ladders there's no need to go into any setup details! This is a more rigid setup than some ladders though, so will ride a bit rougher. I had no handling problems and the ride was pretty good as long as roads were relatively smooth. I used large rubber bushings in the front for some flexibility (from an 80s Caprice, front lower bar bushings) and a panhard rod.

Linkage suspension rides better and can handle better. That's the main reason for using it on a street/strip car. Ladders are cheap but work, ride suffers on a rough road. And as pointed out, you can adjust links much easier -- no shims!!
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