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Author Topic:   anti-dive
Dirt Maniac

Total posts: 193
posted February 23, 2005 10:07 PM  
what is it.........what does it do and how does changing the hole that the a-arm is in effect it?
also, what will running the a-arm in the bottom hole change in the cars handling?

Dirt Forum Champ
Total posts: 796
posted February 24, 2005 10:12 AM  
Anti-Dive does just what it says, it keeps the front end from diving, or diving to much.

Its not used very much in dirt track racing. That i know of at least.

Myself, i want to play with running various amounts thru this year. It allows you to run softer springs, without alot of dive in the front end.

Although when running alot some anti dive on a car its said it can make the car harder to turn, especially back steer. I always thought it would be usefull tuning tool on the right front thou.

unregistered Total posts: 796
posted February 24, 2005 02:01 PM           send a private message to Kromulous   Edit/Delete Message   Reply w/QuoteBBBBBB
If you take out the anti dive you will need STIFFER front springs.

anti dive is a mechanical means of stiffening the front end.

I took it all out of my nova IMCA car and it rolled or dove way way too much to me, so I put the uppers back to stock exactly and it was much better and legal again.

Dirt Forum Champ
Total posts: 505
posted February 24, 2005 03:13 PM  
Anti-dive is a jacking force in the front end when on the brakes. Alot of racecars don't use it because its hard to adjust and is dependant upon braking force.

Dirt Maniac

Total posts: 193
posted February 24, 2005 04:41 PM  
does the second hole in the a arm mount have anything to do with changing anti dive

Mr. Badboy
Dirt Full Roller

Total posts: 29
posted February 24, 2005 08:08 PM  
Anti dive is built into the upper a arm mounting angle, and is usually 3 to 6 degrees upward angle. It is built into independent front suspensions to keep the front end from diving down because of braking forces and causing control problems for the driver. When the a arm is adjustable upward and downward on some cars, it is a function of caster and camber changes in the corner, and can change the anti dive setting to an undesirable angle.

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