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Old 04-21-2005, 09:14 AM
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It felt like a go-kart

I took my friend's 94' 4Runner for a drive and when I was steering (very light touches to the left or right) it kinda jolts to that direction. This made me feel like I was in a go-kart, like my other friend's go-kart I've been test-driving lately. I'm use to the car staying straight when I'm reaching to change the radio in my mom's 92' Olds Silhouette van or my dad's 78' Ranchero car-truck.

Why does it feel like I'm riding in a go-kart?

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Old 04-21-2005, 05:32 PM
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A wild guess, the caster angles are not correct.
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Old 04-25-2005, 11:00 AM
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The 4 Runner will undoubtably have a quicker ratio than the minivan.
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Old 04-26-2005, 07:09 AM
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Re:

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Originally Posted by johnsongrass1
The 4 Runner will undoubtably have a quicker ratio than the minivan.
Do you mean quicker in turning? I was only saying that I'm used to reaching over while holding the steering wheel still as I mess with stuff. I do that alot in my minivan, but it scared me that I was over in the left-turn lane when I was driving the 4Runner while messing with the radio, learning how to use it.
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Old 04-26-2005, 07:10 AM
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***

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Originally Posted by 1ownerT
A wild guess, the caster angles are not correct.
What in the wide world of sports are caster angles??? I've never heard of that part before.
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Old 04-26-2005, 10:15 AM
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Caster is one of the adjustments for an alignment. If you draw a line straight up if the steering arm is vertical along that line it has 0 caster if tilted back negative or positive I get those backawards all the time.

Look at a shopping basket the steering is in fron to the centerline of the tire, this makes the tire wobble when going straight and very unstable at speed but it turns quick, like a go cart pre say. If the steering were behing the tire it would be stable at speed but would not want to turn. If your friend added a lift or the suspension sags over time then the caster alignment could be out of wack and cause this feeling severe toe can do it as well but you would see the tires wear.
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Old 04-26-2005, 02:53 PM
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I apologize for the cut and paste, but this describes it better than I could.
Basically, caster refers to the vertical angle of the steering knuckle, whether that knuckle is on a solid front axle or on an IFS (2WD or 4WD). When viewed from the side of a knuckle, caster is usually seen as the rearward angle of the knuckle; that is, the top of the steering knuckle is angled slightly toward the rear of the truck. The caster angle increases a truck's straight-line stability and is usually set between 2 and 6 degrees for a solid front axle; as much as 8 degrees for an IFS.

With the caster set as described, the steering will exhibit a self-centering action, especially when exiting a corner. On the other hand, with the caster set near zero, drastic changes occur, such as twitchy steering at highway speeds and the absence of a self-centering effect. Excessive caster is also a problem because it causes the steering response to become heavy and less responsive, and the steering system resists turning into corners, although straight-line tracking is maximized
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Old 04-26-2005, 03:24 PM
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go-karts have 15 caster angle.




Mike
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Old 04-26-2005, 04:29 PM
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But it has direct steering, small tires and light weight so it reacts very quickly to input. That was why I stayed with his analogy.
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