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Dead pech Vs Panhard bard

 
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32V8
Newbie



Joined: 15 Jul 2020
Posts: 6
Location: Perth. W.A.

Posted: Thu Jul 15, 2020 10:36 am    Post subject: Dead pech Vs Panhard bard

This is my cherry post. What are the pros and cons of using a dead perch or panhard bar on the front of a 32 highboy I have just started to build?
Thx.
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Brootal
1000RPM



Joined: 11 Jun 2021
Posts: 1162
Location: Sydney, Australia

Posted: Thu Jul 15, 2020 11:46 am    Post subject:

Another Perthite... So who the hell are you?

Can't give much advice, but I imagine the Panhard bar is the more "modern" solution, so it's probably better.

Welcome to HRI by the way.
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GBS
Just Idling



Joined: 18 May 2021
Posts: 151
Location: Central Coast NSW

Posted: Thu Jul 15, 2020 10:19 pm    Post subject:

Dead perches have been available for decades but you donít see them very often on rods. That usually means they are not very successful. When you stop and think about it, the reason we have shackles is to allow for the constantly changing length of the spring as it moves up and down. When you fit a dead perch the spring is still going to go up and down but this time it will move the axle sideways with it which is just what you want the dead perch to stop.

They might give the front end a cleaner look and they might work ok on silky smooth freeways but once you go off onto any other type of roads, they leave a lot to be desired.

When Ford decided they needed some kind of axle locator on their front ends they could have used a dead perch but they chose the more expensive and complex panhard bar. There would have been a good reason for that.

Brian
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32V8
Newbie



Joined: 15 Jul 2020
Posts: 6
Location: Perth. W.A.

Posted: Fri Jul 16, 2020 9:58 am    Post subject:

Thanks Brian, it makes good sense. Panhard bar it is.
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Larry@Graffiti
Rookie


Joined: 15 Apr 2021
Posts: 18
Location: Castlemaine

Posted: Mon Jul 19, 2020 8:25 am    Post subject:

Something else. Always mount the panhard bar to the chassis on the same side as the steering box and make it as close to the same length as the steering drag link as possible. It should also operate as close to the same plane as the drag link as possible. You want everything working in the same arcs or you will still get bump steer.
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