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Author Topic:   weight ?
DEEDDUDE
Dirt Maniac

Total posts: 111
posted July 29, 2002 06:26 PM
When increasing rear weight should you decrease cross weight? What would be a starting point for the cross weight? Ive got a 3500lbs. Street Stock w/ 55.2 % rear, and 54 % left weight. Had 53.5% rear and moved around some weight to tighten the car up and I went to far. I also adjusted the cross to 51.3% from about 50.8%. The car pushed real bad with this set-up, right into the wall. The old set-up did turn in good, thru the center good, but was a little loose on exit. The track was tacky instead of usually being dry slick. I run a little over 2 of stagger in the back on tacky and straight up for slick. Any help would be appreciated.

speedingtix
Dirt Newbie

Total posts: 1
posted July 31, 2002 08:26 AM
3500 lb Street stock? Not sure if you track has a weight minimum or not.... if not the first thing I would do is cut some weight. I don't mean leaad, I mean fender wells, fire walls, anything exess. Then use lead to get the percentages back close to what you have. the numbers you listed seem pretty good to me. A classic tight in/ loose off problem is usually not enough left rear. Remember the rear tires do the opposite getting in that they do coming off. Also you mentioned cross, the cross is important but if you don't have the proper caster/camber on the front end it won't nessesarily work for you. Your weights are close, play with springs/caster/camber/shocks to fine tune your car. Also you mentioned the track usually gets slick, you probably have to drive the car into the corner with lots of braking. When a track is tacky use the set up to set the car in the corner harder. Watch the guys who run up front in the other classes and how they drive the track differently for different track conditions.

00racing
Dirt Newbie

Total posts: 1
posted August 06, 2002 12:37 AM
You say you have a 3500lb car? Where do you run at? All our street stocks (super streets)way 3100lbs if it is a tube chassie and 2800lbs if it is a stock chassie.

ryan
Dirt Freak

Total posts: 430
posted August 06, 2002 12:45 AM
Our street stock class is at 3500 lbs min. also. It used to be 3600. Don't let the weight fool you the cars are extremly fast.

DEEDDUDE
Dirt Maniac

Total posts: 111
posted August 06, 2002 04:14 PM
Guys, with me in the car and full of fuel the car weights 3475 lbs. Our min weight is 3400 lbs. I went a over for the rear %. We've had cars weighing over 3800 lbs. in this call do very well, I just didn't want to go over board. After feature I'm over, but whats 40 lbs. We go around a .400 track in a lttle over 21 secs.

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