71ChargerRT
Well-known member
Looks good!
1982 Cordoba Stock Car.
- Thread starter Diplomat_Wagon
- Start date
Diplomat_Wagon
Hiding In The Bushes While
Thanks guys! 
It's my second roll cage but I did a lot a reading before building this one.
It's my second roll cage but I did a lot a reading before building this one.
restoman
The paint fumes have cleared so I'm
Diplomat_Wagon
Hiding In The Bushes While
Ding!
Why have more weight on the right side then you need right? Just enough to keep the cage strong, no more.
Stretch
Hey! There’s no easy button for a body like this!
Think about what we are trying to do with the car. We are trying to go through left hand turns as fast as possible. Being fast into, through, and out of the turns is key. The best way to do that is to build a car with a chassis as stiff and square as possable. The stiffer the chassis, the better the suspension will work and the suspensions geometry changes will be predictable because chassis flex is removed from the equation.
There are two things you want to do with the cage. Number one is protect the driver! Number 2 is stiffin the chassis. The hard part is to do both but add as little wight as possable total but add as much as possible to the left side of the car and as little as possible high in the car. The more bars, the heavier the car. + adding bars raises the chassis roll center. You want the roll center as low as possible. Adding weight to the left of the car helps it turn. The wight transfers to the right side as you turn left unloading the left tires. You are also on the brakes so chassis load transfers off of the left rear and onto the right front tire. Thats why the strongest spring in the car is on the left front and the weakest is on the left rear. Having cage weight high multiplys that weight transfer!
All you want in the right side door area of the car is two door bars to tie the cage together for strength and the "halo hoop" at the roof. any more than that adds weight high and outside of the frame rail where you want it the least. You want to cut as much dead weight as possible from the car making it as light as you can but keeping it as strong as possable. You want to come in as much under the class minimum weight as you can so you can add lead as low as possable in front of the left rear tire where you need it most to aid in weight transfer in the turns.
Diplomat_Wagon
Hiding In The Bushes While
I don't think I'm going to have to worry about my car weighing less than 3,400lbs with driver. 
Diplomat_Wagon
Hiding In The Bushes While
I kinda thought that, but great explanation Stretch.
But shouldn't the strongest spring be on the right front?
BTW, I'm really digging this thread. I know a good dea about circle track racing, and there is stuff in here I had no clue about.
I'm sure he meant right front, I make that mistake too.
Stretch
Hey! There’s no easy button for a body like this!
I kinda thought that, but great explanation Stretch.
But shouldn't the strongest spring be on the right front?
Umm... Yah.... [smilie=l:
Diplomat_Wagon
Hiding In The Bushes While
And ride height all at once.
Diplomat_Wagon
Hiding In The Bushes While
It does help the car from bottoming out on that corner though.
Got these for free today! Going to be a lot better then my garden sprayer for soaking down the rad when I come into the pits. :dance:
Got these for free today! Going to be a lot better then my garden sprayer for soaking down the rad when I come into the pits. :dance:
Diplomat_Wagon
Hiding In The Bushes While
I wouldn't use them. I mean, Wilson is OK, but his cousins are feckin' destructive nut-jobs!
But what if I take off that decal?
Too bad they would cost so much to ship, I'm sure there are more where these ones came from.