View Full Version : Car is real darty?
Lm0118
03-05-2017, 08:11 PM
We just put a car together and it is darty going down the straightaway. We put a new servo on it looking for some ideas of what to look at. Thanks
race4dad 31
03-05-2017, 09:39 PM
What is your Caster.
TALON75
03-05-2017, 09:44 PM
Not enough toe out?
rocket1*
03-05-2017, 10:40 PM
Have you checked the bumpsteer?
junebug
03-06-2017, 09:04 AM
Like they all said what are u running for caster toe out and bump steer...any of those can be the prob let us know what u got and we can see what jumps out
ckyracer00
03-07-2017, 01:37 PM
I had an issue with the car being "darty" and it ended up being a bent lower ball joint on the RF
Brian Gray
03-07-2017, 09:30 PM
What talon said.
CCHIEF
03-07-2017, 10:51 PM
Make sure the upper ball joint is behind the lower when looking from above..... on both sides. Or you have negative caster. Happens often
King1
03-08-2017, 01:46 PM
All of the above pal, I've been darty from bent ball joints, caster, bump steer etc. I'd set the whole front end before I scaled just to eliminate all the bs. Bump steer may be the single most important thing you check.
a25rjr
03-08-2017, 09:36 PM
Be sure to read the directions for the caster guage you're using. Some you turn the wheel out and others you turn the wheel in.
Matt49
03-09-2017, 11:38 AM
Getting slightly off topic...but for measuring caster, I have NEVER been a fan of the way that most "gauges" have you measure it by the change in camber at various steering angels (which you can't accurately measure).
I made my own tool that fits between the ball joint ends and forms a straight line between the ball joint pivot points. It threads out to "telescope" and fits perfect inside the spindle. I then measure the angle off of it. It's pretty darn accurate.
Brian Gray
03-09-2017, 09:01 PM
I've Ran caster as much as 10 deg in the wrong direction (wrong is relative btw) it never made my car darty!
stevensracing_6
03-09-2017, 11:27 PM
Had a brand new car with this problem ended up being wrong lower arms put on by builder
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