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Dune buggy front suspension question
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Derickpete
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PostPosted: Wed Apr 16, 2025 2:15 pm    Post subject: Dune buggy front suspension question Reply with quote

The ride on my fiberglass's dune buggy is to stiff. It is a ball joint front end.Can I cut and turn the front end for height and remove two leafs per tubes so I can get a softer ride and still keep the ride height. Running stock shocks.
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SBD
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PostPosted: Wed Apr 16, 2025 8:31 pm    Post subject: Re: Dune buggy front suspension question Reply with quote

At the top of this section of the forum is an FAQ link. If you click on it there's a thread on how to soften your front suspension. I haven't read it recently but it might be helpful.
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Stinky123
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PostPosted: Wed Apr 16, 2025 9:16 pm    Post subject: Re: Dune buggy front suspension question Reply with quote

I don't remember the number....but the PSI in your front tires needs to be low....like 15-22 # PSI
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oprn
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PostPosted: Thu Apr 17, 2025 4:17 am    Post subject: Re: Dune buggy front suspension question Reply with quote

The full bodied Beetle ran 14 psi or was it 16 psi. I run 12 psi on my street Buggy. Wider than stock tires could run even less. I run 22 psi in the rears.
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PostPosted: Thu Apr 17, 2025 12:55 pm    Post subject: Re: Dune buggy front suspension question Reply with quote

Derickpete wrote:
The ride on my fiberglass's dune buggy is to stiff. It is a ball joint front end.Can I cut and turn the front end for height and remove two leafs per tubes so I can get a softer ride and still keep the ride height. Running stock shocks.

I have heard of removing the 2 small leaves from each torsion bar on the ball joint front suspension as a cheap way of lowering a Bug, it should both lower and soften the front suspension. I've never owned a Bug with the ball joint front end, mine have all been older king and link pin cars except for one Super Beetle Convertible.
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Bikerndiver
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PostPosted: Thu Apr 17, 2025 6:12 pm    Post subject: Re: Dune buggy front suspension question Reply with quote

I have heard of removing the 2 small leaves from each torsion bar on the ball joint front suspension as a cheap way of lowering a Bug, it should both lower and soften the front suspension. I've never owned a Bug with the ball joint front end, mine have all been older king and link pin cars except for one Super Beetle Convertible.[/quote]

What is the procedure to remove the springs from the front tubes???? Can you point me in the direction of the procedure?
Thanks!
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Dale M.
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PostPosted: Fri Apr 18, 2025 8:05 am    Post subject: Re: Dune buggy front suspension question Reply with quote

I removed all the half leave in front beams (K&L) and it softened ride nicely.... But actually uses AVIS adjuster beams to set ride height....
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vwracerdave
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PostPosted: Fri Apr 18, 2025 8:43 am    Post subject: Re: Dune buggy front suspension question Reply with quote

On my street Buggy I run the cheapest oil filled front shocks I can get from O'Reilly's or Auto Zone.
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PostPosted: Fri Apr 18, 2025 10:15 am    Post subject: Re: Dune buggy front suspension question Reply with quote

Bikerndiver wrote:
Quote:
I have heard of removing the 2 small leaves from each torsion bar on the ball joint front suspension as a cheap way of lowering a Bug, it should both lower and soften the front suspension. I've never owned a Bug with the ball joint front end, mine have all been older king and link pin cars except for one Super Beetle Convertible.


What is the procedure to remove the springs from the front tubes???? Can you point me in the direction of the procedure?
Thanks!


This is a link that describes the process. It can be done on the ball joint front end without suspension disassembly because the torsion bars do not form a square stack. They just removed the small odd one at the top and bottom of each torsion bar stack. Then they complain that while it lowers the car it also makes the ride too soft and it bottoms out, of course softer is what you are looking for since the front is much lighter than a stock Bug.

Another reason buggies sometimes ride harsh is that the front suspension is riding higher than stock (due to less weight). If the suspension tops out over every little dip in the road it feels harsh. In that case lowering will help even without softening the suspension.

I used to run my buggy with all the small torsion bars removed and replaced with spacers. With my older king and link pin front end any torsion bar removed had to be replaced with a spacer to maintain the clamping force on the bars. It worked for years, combined with the centers of my beam being cut and turned 1/4 inch (that lowered it about 1.5 inches). The removed torsion bars lowered it about another 1.5 inches and it was not too soft as the front of my buggy only weighed 370 lbs.
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joemama
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PostPosted: Sun Apr 20, 2025 7:30 pm    Post subject: Re: Dune buggy front suspension question Reply with quote

Air pressure in the front tires is the number one thing you should look at. As previously mentioned 12 lbs. should be good. You mention you are using stock shocks. Make sure they are not a stock replacement gas shock. Best would be old worn out oil shocks. Bruce Meyers actually described a procedure where he would drill a hole in an oil shocks reservoir, drain the oil, measuring how much came out, and mix it 50/50 with mineral oil (like a o weight oil) put the same amount back in, thread and plug the hole. Apparently this softened the action of the shocks. I removed some leaves out of my balljoint front end (dont remember exactly how many, but think it was the single ones at the end of the stack), and after a couple of seasons of hard use in the sand dunes, the front suspension sagged. I went back to a full stack. I dont think it rides rough. I also put in adjusters, after the leaves sagged, they didnt do much. Also, if I were to do it over, I would only put and adjuster at the top. My bottom adjuster got hammered by a rock some where along the line, and was useless.
Good luck, and have fun!
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crickifur
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PostPosted: Sun May 04, 2025 3:32 pm    Post subject: Re: Dune buggy front suspension question Reply with quote

Remove the entire bottom set of leaves amd run a through rod. Its simple, easy and softens the front end up beautifully. $100 from empu for 2 rods, sell tbe extra to a friend. Replace the trailing arm seals and throw it together. 2 hours of work.
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