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Modifying Panhard Bar #1317418 Thu Jul 11 2019 09:55 PM
Joined: Dec 2015
Posts: 175
D
DoubleDingo Offline OP
Unconventional Thinker
Back in '87 when grandpa passed away from cancer, I got the '65 3/4 ton fleetside he had bought for me. I daily drove that thing until 2005. Rolled it going to church. In '91 I found a rear end that had way better gearing than the corporate 4.57 axle. It had a tag on it, 3.54, and the rpm formula calculators matched the rpm's I would turn going down the road. I later discovered I had a '68 Dana 60, supposedly a rare breed nowadays. When I installed it in '91 it was an easy swap, except I found out the hard way that the panhard bar is different between the corporate axle and Dana 60. I took the truck to a welder and he modified the frame mount, but the panhard bar was in a bind. I ran it like this from '91 until the day I rolled the truck in 2005. I now have a different truck, basically the same as the one grandpa got me back then, except this one has three-on-the-tree, and will soon get the SM420 that was in the other truck. I still have the Dana 60 too, and plan to install it in this truck as well.

This time around I want to have the bar modified instead of the mount. Do you guys see any issue with modifying the panhard bar to be able to mount correctly to the frame mount? After making sure the tracking was correct, my idea was to have the panhard bar cut in two places, so the two pieces that mount to the frame or axle would be perpendicular to their respective mounts, and the middle piece would be angled accordingly, and then some gussets welded in for strength. Does this seem like a viable option?

I did locate a '70 truck with a Dana axle in it, and it has the correct frame mount, but there is no easy way to extract it from the truck in the junkyard. So I decided to resort to modifying the bar instead.


2007 Forester XT Limited (2nd Owner)
1991 Cherokee Laredo (2nd Owner)
1981 Chevy 3/4 Ton Fleetside 8,600 Camper Special (3rd Owner)
1965 Chevy 3/4 Ton Fleetside (3rd Owner)
Re: Modifying Panhard Bar [Re: DoubleDingo] #1317434 Fri Jul 12 2019 12:24 AM
Joined: May 2015
Posts: 1,433
K
klhansen Offline
Shop Shark
If the panhard bar is the right length and just needs a twist to get the ends to line up correctly, I would just heat the bar and give it a tweak, rather than cut it two and weld it back together. You can do that multiple times to get it correct and have a stronger bar than if you cut and weld.

Originally Posted by DoubleDingo
I did locate a '70 truck with a Dana axle in it, and it has the correct frame mount, but there is no easy way to extract it from the truck in the junkyard. So I decided to resort to modifying the bar instead.

In most junkyards I've frequented, they'll roll a truck on it's side so you can get stuff off the bottom. If the frame is already toast, a cutting torch would make short work of extracting the frame mount.


Kevin
First car '29 Ford Special Coupe
#2 - '29 Ford pickup restored from the ground up.
Newest Project - 51 Chevy 3100 work truck. Photos
Re: Modifying Panhard Bar [Re: DoubleDingo] #1317440 Fri Jul 12 2019 01:34 AM
Joined: May 2005
Posts: 6,258
B
bartamos Offline
Master Gabster
You rolled the truck twice? and you want to know about a Panhard bar? Check out A.A. first.


I'm away on an ego trip. Will be back on Feb 30.
I'm not an Auto Mechanic, but I play one on TV.
I charge $0.02 for every opinion and I take Paypal.


Re: Modifying Panhard Bar [Re: DoubleDingo] #1317441 Fri Jul 12 2019 02:17 AM
Joined: Apr 2005
Posts: 7,698
Justhorsenround Offline
Grease Monkey, Moderator General Truck Talk & Greasy Spoon
Re-read his post. He only rolled it once. So he only has to check out A. nanner


Martin
'62 Chevy C-10 Stepside Shortbed (Restomod in progress)
'47 Chevy 3100 5 Window (long term project)


"I fought the law and the law won" now I are a retired one!
Support those brave men/women who stand the "Thin Blue Line" and lock up those on the wrong side of that line.

Re: Modifying Panhard Bar [Re: Justhorsenround] #1317443 Fri Jul 12 2019 02:36 AM
Joined: May 2005
Posts: 6,258
B
bartamos Offline
Master Gabster
OH, that's different. Never mind.


I'm away on an ego trip. Will be back on Feb 30.
I'm not an Auto Mechanic, but I play one on TV.
I charge $0.02 for every opinion and I take Paypal.


Re: Modifying Panhard Bar [Re: DoubleDingo] #1317444 Fri Jul 12 2019 02:37 AM
Joined: Dec 2015
Posts: 175
D
DoubleDingo Offline OP
Unconventional Thinker

I have an xj bar that I'll use to bend up and then use the ends from the factory bar. Thanks for the suggestion about bending vs cutting/ welding, I like that idea better.

The truck at the junkyard is in decent shape. But I want the engine. It's complete, ram horns and everything.

Last edited by DoubleDingo; Fri Jul 12 2019 04:55 AM.

2007 Forester XT Limited (2nd Owner)
1991 Cherokee Laredo (2nd Owner)
1981 Chevy 3/4 Ton Fleetside 8,600 Camper Special (3rd Owner)
1965 Chevy 3/4 Ton Fleetside (3rd Owner)
Re: Modifying Panhard Bar [Re: DoubleDingo] #1317445 Fri Jul 12 2019 02:38 AM
Joined: Dec 2015
Posts: 175
D
DoubleDingo Offline OP
Unconventional Thinker
...


Last edited by DoubleDingo; Fri Jul 12 2019 04:56 AM.

2007 Forester XT Limited (2nd Owner)
1991 Cherokee Laredo (2nd Owner)
1981 Chevy 3/4 Ton Fleetside 8,600 Camper Special (3rd Owner)
1965 Chevy 3/4 Ton Fleetside (3rd Owner)
Re: Modifying Panhard Bar [Re: DoubleDingo] #1317446 Fri Jul 12 2019 02:49 AM
Joined: Dec 2015
Posts: 175
D
DoubleDingo Offline OP
Unconventional Thinker
I rolled Mean Green one time. It was basically done except for the disc brake upgrade, and some other cosmetic things. I rolled it trying to avoid an accident and then became the accident. I later found out kids were throwing rocks at vehicles going by on the freeway, and the trucker's trucks sustained damage and they were stopping. I was in the maneuver of going around a jeep, did the look over the right shoulder to make sure I could merge into that lane. I began merging, looked forward, saw brake lights, they weren't fake brake, they were all stopping. I made a move under brake to go around when the car in front of me moved into my path. Still under brake, tried to make the same maneuver again, but the rears locked up, the left front tire blew, and I went tumbling down onto the onramp.

Last edited by DoubleDingo; Fri Jul 12 2019 04:57 AM.

2007 Forester XT Limited (2nd Owner)
1991 Cherokee Laredo (2nd Owner)
1981 Chevy 3/4 Ton Fleetside 8,600 Camper Special (3rd Owner)
1965 Chevy 3/4 Ton Fleetside (3rd Owner)
Re: Modifying Panhard Bar [Re: DoubleDingo] #1317545 Sat Jul 13 2019 01:21 AM
Joined: Feb 2004
Posts: 19,025
H
Hotrod Lincoln Online
Boltergeist
Are you dealing with coil or leaf springs? When we set up race car suspensions we would usually mock things up with the frame leveled and tied down to a level floor with chains and screw-type jack stands, and either weak or no springs so we could move the suspension through its full travel with a floor jack. Once some measurements are made that way, it's usually pretty simple to fabricate sway bar mounts, 4-link pivot points, etc.

One rule of thumb on a dirt tracker is "Build it 3 times as strong as you think you need, and don't be too surprised if it breaks!"
Jerry


The murder victim was drowned in a bathtub full of Rice Krispies and milk.
The coroner blamed the crime on a cereal killer!

Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
Re: Modifying Panhard Bar [Re: DoubleDingo] #1317688 Sun Jul 14 2019 07:17 PM
Joined: Dec 2015
Posts: 175
D
DoubleDingo Offline OP
Unconventional Thinker
This is a stock 1965 coil-sprung 3/4 Chevy. The 3.54 Dana 60 is out of a 68+- C20 Suburban. What my intent is use the Jeep XJ bar, heat it and bend it so the different panhard bar mounting angles match, while utilizing the factory panhard bar axle and frame mounts. Nothing major.

My first idea was cut the existing bar twice to correct the angles, then weld in some gussets for strength. Bending was suggested and does seem like the better method. I remembered having an old jeep xj front track bar laying around, and figured it would be a great platform to use because it's already bent, so finding the correct angles may be easier using it, than bending the old bar.

Basically melding these two panhard bar designs in a better way than I did when I was younger and didn't know better. The way I did it back then worked, but it wasn't correct. Lack of money was a factor back then, now I can do right.

Attached Files
20190714_115144.jpg (187.44 KB, 18 downloads)
20190714_115247.jpg (190.06 KB, 18 downloads)

2007 Forester XT Limited (2nd Owner)
1991 Cherokee Laredo (2nd Owner)
1981 Chevy 3/4 Ton Fleetside 8,600 Camper Special (3rd Owner)
1965 Chevy 3/4 Ton Fleetside (3rd Owner)
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