adjustable panhard bar
11-02-2008, 06:40 AM
#1
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adjustable panhard bar
Who makes an adjustable panhard bar for a 2nd gen. 4Runner, I've seen them for 3rd gen. but can locate a 2nd gen. bar. I've already ordered a bracket but thought a new bar would be nice. Or is the drop bracket the only way to go?
Thanks,
Derek
Thanks,
Derek
Last edited by woodendude; 11-02-2008 at 07:06 AM.
11-02-2008, 08:57 AM
#2
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I looked everywhere when I was looking for one...ended up buying one from someone else here on the board. Seems like it would be pretty easy to have one made.
Here is mine....
Here is mine....
11-02-2008, 12:21 PM
#4
The adjustable/longer panhard bar and the drop bracket would both help to limit pulling the rear axle off center due to a lift. But the drop bracket will help to keep the panhard bar closer to horizontal and this will do a better job keeping the axle center as the suspension compresses and droops.
For example, have a panhard rod (lengthened) with a nominal 10 degree slope vs. a stock length bar and drop bracket with the bar sitting horizontal (0 degrees). Then assume that as the suspension cycles, the bar angle changes +/- 10 degrees. So the horizontal bar goes from 0 to 10 degrees. The 10 degree sloped bar goes from 0 to 20 degrees. Looking at the change in horizontal position of the axle end of the bar, use the cosine function, so cos(0) = 1.00, cos(10) = 0.985 and cos(20) = 0.939. So what that says is that a horizontal bar will only move the axle side to side about 1.5% of the length of the panhard rod itself, while the bar that starts out at 10 degree slope will move the axle over 6% of the bar length or 4 times as much. Actual angles will likely vary on a real vehicle, but that gives you an idea why you want the bar close to horizontal at rest. Now an adjustable bar would be good for fine tuning the axle center and you can also add a bracket to raise the axle end up.
And the main problem you are looking to correct is the axle pulling so far to the passenger side that the drive shaft hits the gas tank.
For example, have a panhard rod (lengthened) with a nominal 10 degree slope vs. a stock length bar and drop bracket with the bar sitting horizontal (0 degrees). Then assume that as the suspension cycles, the bar angle changes +/- 10 degrees. So the horizontal bar goes from 0 to 10 degrees. The 10 degree sloped bar goes from 0 to 20 degrees. Looking at the change in horizontal position of the axle end of the bar, use the cosine function, so cos(0) = 1.00, cos(10) = 0.985 and cos(20) = 0.939. So what that says is that a horizontal bar will only move the axle side to side about 1.5% of the length of the panhard rod itself, while the bar that starts out at 10 degree slope will move the axle over 6% of the bar length or 4 times as much. Actual angles will likely vary on a real vehicle, but that gives you an idea why you want the bar close to horizontal at rest. Now an adjustable bar would be good for fine tuning the axle center and you can also add a bracket to raise the axle end up.
And the main problem you are looking to correct is the axle pulling so far to the passenger side that the drive shaft hits the gas tank.
11-02-2008, 03:59 PM
#7
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If not, then no, it's not needed at all.
I know that someone makes an adjustable TB as I've seen them somewhere.
Regarding the drop bracket, that's 100% wrong.
You don't want to drop the frame end, you want to raise the axle end.
Someone makes a bracket that does just that but, again, I can't remember who.
Both (axle end TB rise bracket and adjustable TB) would be relatively easy to make. I've made both for Jeeps (TJ's) before.
Fred
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11-03-2008, 10:02 AM
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Thanks for the info guys... I've ordered a coil, bj spacer lift, new procomp shocks, PH drop bracket, LSPV bracket and I think I'm now ready to go. Just have to sit and wait for it all to arrive. Coil , Bj kit was addressed wrong and sent back, shocks will be 3-5 weeks ( shop here waits until order is big enough to avoid shipping costs) and just ordered the other stuff from 4crawler a day ago. Thinking I'm going to tackle the install myself, pretty mechanical, but have never done this type of stuff before.
Derek
Derek
06-06-2009, 09:17 AM
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I realize this thread is dead...but for anyone who might still be interested in an adjustable panhard rod, this might be a good option.
http://www.roughtrax4x4.com/?doc=16&cid=155&vid=1350
at $300 CAD + shipping....not as cost effective as a drop bracket, but it's always an option.
http://www.roughtrax4x4.com/?doc=16&cid=155&vid=1350
at $300 CAD + shipping....not as cost effective as a drop bracket, but it's always an option.
03-25-2010, 11:24 AM
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04-26-2016, 04:07 PM
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Looking for a adjustable panhard bar
Thanks
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