Swaying issue.
- Thread starter nicholas tiratsuyan
- Start date
KLMOTORSPORTS
Well-Known Member
EXACTLY!! That is definitely positive caster!
nicholas tiratsuyan
Active Member
How would we adjust caster?
ctuinstra
Goblin Guru
Shorten the upper rear arm him joints and lengthen the upper front joint. Also you can do the opposite to the bottom arms. This pulls the top back and pushes the bottom forward.
IDRVSLO
Goblin Guru
Thanks, working on this right now. At 80+ my car jets left and right a bit. I am going to bring it in for an official alignment soon. I want to nail down the caster as close as possible first though. Just rechecked and I am 9.2 driver side and 8.3 passenger side. Im going to set them both even at 8.5. Do you know when you had your alignment done what yours ended up at?
ctuinstra
Goblin Guru
That's probably not worth messing with other than getting them closer to the same. Ours is right around 8.
Goblin-SS
Active Member
Have you fixed the issue your having? I think I'm having something similar.
ctuinstra
Goblin Guru
How low or high do you have the front end set to. I dropped my about as far as I can (without the spring cap falling out at full extension) and it made a world of difference.
Goblin-SS
Active Member
I'm spring caps will come lose if I Jack up the front end.
Amack1970
Well-Known Member
My df does the same thing. I hope to get a second thought on Wednesday when I have the alignment checked by a guy that runs alot of porsche race cars. This was my original print out. I've since toed the rear wheels in a little more and installed the factory SS sway bar thinking another part to hold the wheels in line. I'm still getting the tail wagging the dog feeling in the upper 70's. I haven't been over 80 yet because of this. My struts and lower control arms are brand new. Kinda wondering if the donar wheel bearings might be the issue. I've grabbed all four tires and wiggled them back and forth w/o and slop. Not really sure
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Karter2026
Goblin Guru
My guess on this is too much front toe. If you take that 33 degrees of total toe and convert it is comes out a close 5/16" of total toe.
My car aligned by myself has about 1/4" total toe or 1/8" each side. Both front and rear. Car is on rails at 65-70 I can let go of wheel and it tracks straight no sway at all. It however does not take much of a movement of the wheel to move the car around. I call it darty but I think that is the nature of these cars. The extended version should be slightly less darty.
My car aligned by myself has about 1/4" total toe or 1/8" each side. Both front and rear. Car is on rails at 65-70 I can let go of wheel and it tracks straight no sway at all. It however does not take much of a movement of the wheel to move the car around. I call it darty but I think that is the nature of these cars. The extended version should be slightly less darty.
Torchandregdoc
Goblin Guru
Another thought.
My experience with anything with adjustable rear steer, and I've seen it someplace here on the forum as well, you have to make sure that there is zero flex at all connections in the rear. If there is any, and I mean any flex, everytime you transition from pulling to coasting, you will get rear steer which feels really wierd until your brain finally gets up to speed. I believe there were some guys that were running into this with worn out rear LCA bushings on Goblins.
GMC Denali were available with rear steer for a few years. A real hand full to drive when they start wearing out.
Same with a Grove At 750
Can give you a real "poo your britches" kinda feel at higher speeds.
My experience with anything with adjustable rear steer, and I've seen it someplace here on the forum as well, you have to make sure that there is zero flex at all connections in the rear. If there is any, and I mean any flex, everytime you transition from pulling to coasting, you will get rear steer which feels really wierd until your brain finally gets up to speed. I believe there were some guys that were running into this with worn out rear LCA bushings on Goblins.
GMC Denali were available with rear steer for a few years. A real hand full to drive when they start wearing out.
Same with a Grove At 750
Can give you a real "poo your britches" kinda feel at higher speeds.
Christopher Sanchez
Well-Known Member
Mine drives straight and I can release the wheel going 80 down the highway. However under acceleration the car seems to sway a bit.. I have stock bushings in rear control arms and there is noticeable play when setting the parking brake and rocking the car forward and backwards.. for others just now building there cars I agree with others who say solid or polyurethanes are a must! The car will never feel solid with the play. From what I gather they are $300 and a pain to install but will eventually have to bite the bullet and get it done..
Ross
Goblin Guru
Mine were $67 for 2, with tax and shipping. I did have to press them into the aluminum swingarm.
Christopher Sanchez
Well-Known Member
Thank you, ordered!