Correcting a Shimmy Shake on Lifted Cart

NHRA_Racer · 07-18-2015, 08:00 AM

Folks-

I have a G-22a with a Jake's lift. I bought the cart that way so I did not do the install. I have since installed a Plowman's performance upgrade (clutch and mods). This is the cart below.

At speed (23-25 or so), I have a pretty good back and forth shimmy. Is there anything I can do to correct this?

Any help is appreciated.

Dave in VA · 07-18-2015, 08:17 AM

Check the toe in. 0" to 1/8", I think.

Mike Mac · 07-18-2015, 09:13 AM

That should do it, or start looking for an out of round tire!!

smallblock450sl · 07-18-2015, 09:50 AM

Zero toe in. May even need a 1/16 to out. As long as it's not your tires like Mike said.

Bronco Barney · 07-18-2015, 11:56 AM

Play around with toe settings and if that does not fix start checking front bearings, steering linkage joints etc to find slop... Don't need and "death shake" going on!

1989Marathon · 07-18-2015, 12:11 PM

Quote:

Originally Posted by Bronco Barney

Play around with toe settings and if that does not fix start checking front bearings, steering linkage joints etc to find slop... Don't need and "death shake" going on!

Good advice, but I would do it in the opposite order. If the components are worn out or sloppy, you will chase this issue forever.

dbmachine · 07-18-2015, 01:41 PM

Put the cart on jack stands and spin each tire fast and you should see if they are out of round. I had a 2010 g29 that was 6" lifted with jakes and 23" tires from previous owner. It didnt have a shaking or wobble type feel but it would wander side to side while tracking straight down a paved road. You could hold the steering wheel as straight as you could but soon as speeds got over 20 it was all over the road. Looking at the cart from the front with the steering wheel at 12:00 everything looked straight. I watched a few videos on youtube and was able to get it riding straight as an arrow. Dont even have to hold the steering wheel.

My current cart and inlaws cart i didnt do the string test or the tape measure on the center tread method like on you tube. What i did was loosen the tie rod nuts a little turn each side about a 1/4 turn out and take the cart down the road for a test. After 3 or 4 runs where i felt like it was perfect i would tighten down the lock nuts on the tie rods. From full lock turning either left or right its the exact same amount of rotations so that means everything is good.

Bronco Barney · 07-18-2015, 03:13 PM

Quote:

Originally Posted by 1989Marathon

Good advice, but I would do it in the opposite order. If the components are worn out or sloppy, you will chase this issue forever.

Yes you are correct... It all needs to be checked.

NHRA_Racer · 07-18-2015, 08:28 PM

Thanks, fellas. I will check it all out!

CAMPERCART2013 · 07-18-2015, 09:08 PM

One question. Do you have the shimmy while hauling the dragsters or all of the time?guess that's actually two questions??

07-18-2015, 08:00 AM	#1
NHRA_Racer Not Yet Wild Join Date: Apr 2009 Posts: 50	Correcting a Shimmy Shake on Lifted Cart Folks- I have a G-22a with a Jake's lift. I bought the cart that way so I did not do the install. I have since installed a Plowman's performance upgrade (clutch and mods). This is the cart below. At speed (23-25 or so), I have a pretty good back and forth shimmy. Is there anything I can do to correct this? Any help is appreciated.
NHRA_Racer Not Yet Wild Join Date: Apr 2009 Posts: 50

07-18-2015, 08:17 AM	#2
Dave in VA maintaining a low profile Join Date: Oct 2009 Location: SW Virginia USA Posts: 6,314	Re: Correcting a Shimmy Shake on Lifted Cart Check the toe in. 0" to 1/8", I think.

07-18-2015, 09:13 AM	#3
Mike Mac G8 Specialist Join Date: Jun 2009 Location: Phoenix Posts: 7,799	Re: Correcting a Shimmy Shake on Lifted Cart That should do it, or start looking for an out of round tire!!

07-18-2015, 09:50 AM	#4
smallblock450sl Sometime's............ Join Date: Oct 2007 Location: Tacoma Washington Posts: 11,874	Re: Correcting a Shimmy Shake on Lifted Cart Zero toe in. May even need a 1/16 to out. As long as it's not your tires like Mike said.

07-18-2015, 11:56 AM	#5
Bronco Barney Gone Wild Join Date: Mar 2015 Location: El Rancho en Debto, So. Cal. Posts: 886	Re: Correcting a Shimmy Shake on Lifted Cart Play around with toe settings and if that does not fix start checking front bearings, steering linkage joints etc to find slop... Don't need and "death shake" going on!

Today
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07-18-2015, 01:41 PM	#7
dbmachine Gone Wild Join Date: Oct 2012 Posts: 1,733	Re: Correcting a Shimmy Shake on Lifted Cart Put the cart on jack stands and spin each tire fast and you should see if they are out of round. I had a 2010 g29 that was 6" lifted with jakes and 23" tires from previous owner. It didnt have a shaking or wobble type feel but it would wander side to side while tracking straight down a paved road. You could hold the steering wheel as straight as you could but soon as speeds got over 20 it was all over the road. Looking at the cart from the front with the steering wheel at 12:00 everything looked straight. I watched a few videos on youtube and was able to get it riding straight as an arrow. Dont even have to hold the steering wheel. My current cart and inlaws cart i didnt do the string test or the tape measure on the center tread method like on you tube. What i did was loosen the tie rod nuts a little turn each side about a 1/4 turn out and take the cart down the road for a test. After 3 or 4 runs where i felt like it was perfect i would tighten down the lock nuts on the tie rods. From full lock turning either left or right its the exact same amount of rotations so that means everything is good.
dbmachine Gone Wild Join Date: Oct 2012 Posts: 1,733

07-18-2015, 08:28 PM	#9
NHRA_Racer Not Yet Wild Join Date: Apr 2009 Posts: 50	Re: Correcting a Shimmy Shake on Lifted Cart Thanks, fellas. I will check it all out!
NHRA_Racer Not Yet Wild Join Date: Apr 2009 Posts: 50

07-18-2015, 09:08 PM	#10
CAMPERCART2013 Gone Wild Join Date: Nov 2013 Posts: 1,088	Re: Correcting a Shimmy Shake on Lifted Cart One question. Do you have the shimmy while hauling the dragsters or all of the time?guess that's actually two questions??

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