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Author Topic:   Curious about dry slick
hoosier transplant
Dirt Maniac

Total posts: 104
posted October 03, 2005 10:32 AM  
We had a big Modified 3 day race at Southern New Mexico track this weekend. With all the cars there the track went dry slick with one groove up against the cushion. My question is, can a car be setup to run down low with these conditions or is that just the way it is? The only real passing was if someone in front had a flat or tried the low lane. There were a lot of really good cars there, so I'm thinking if there was a way to change setup to run low they would have already done this.(Maybe this is a really stupid question after all) I'm just curious as to what some of you might have tried to run down low. I don't run a modified(I run a Super Stock or Pro Stock) but a lot of what you guys talk about correlates over to us also. Just curious.

Xtreme12x
Dirt Forum Champ
Total posts: 874
posted October 03, 2005 11:10 AM  
Generally to run that low there needs to be some sort of bite down there. If ther is, you 'll want to tighten the car up on the back end quite a bit, drive in in straight and turn. You can do this by changing wheel offsets and bar angles.

hoosier transplant
Dirt Maniac

Total posts: 104
posted October 03, 2005 11:21 AM  
Are you saying to try and "diamond" the corner? I've been able to diamond the higher groove but never was able to do it down low. Either my setup was off or maybe I was getting back on the throttle too hard and quick. As far as the offsets, do you **** in the right rear more and move left rear out or what?

Xtreme12x
Dirt Forum Champ
Total posts: 874
posted October 03, 2005 11:43 AM  
I'd try to Diamond only if I knew I had no pressure from behind. I'd just try to hug the bottom line.

As far as wheel offsets, Tuck the RR in and move the LR out. You can also add panhard angle if you like.

leapinlizard
Dirt Freak

Total posts: 402
posted October 04, 2005 10:09 AM  
Why would you remove cross on the slick?

I always add a little.

Xtreme12x
Dirt Forum Champ
Total posts: 874
posted October 04, 2005 11:37 AM  
I'm not real worried about Cross. If your concentrating on cross your back in the late 80's. tucking the RR under the car allows for more side bite.

Kromulous
Dirt Forum Champ
Total posts: 796
posted October 04, 2005 12:14 PM  
That would depend on what you run tire wise i guess, we run UMP and i am constantly fighting to much side bite.

We run really high wedge set ups as well. Last week we ran 200lbs LR, and about 55% cross, with the short bar.

If you tuck the RR up under, how do you get it to turn?

Krom.

leapinlizard
Dirt Freak

Total posts: 402
posted October 04, 2005 01:05 PM  
Which is why I don't move the right rear.

I move the left in to increase bite/cross, same thing. But last time we over compensated and it picked a up a throttle push.

To much side bite? Can you increase roll steer to reduce some side bite?

Kromulous
Dirt Forum Champ
Total posts: 796
posted October 04, 2005 01:45 PM  
Thats our trouble as well, we add a bunch of wedge and the car enters better then it wants to pick up a throttle push.

Its got loads of bite, about all you can do is jump on the gas hard and put some RR drive in it to keep it coming around.

So far all i figure i can do is lower or flatten the short bar out to shed off some side bite. If anyone has any ideas let me know as well.

Xtreme12x
Dirt Forum Champ
Total posts: 874
posted October 04, 2005 02:39 PM  
You've got to get the RF working to turn the car.

leapinlizard
Dirt Freak

Total posts: 402
posted October 05, 2005 07:35 AM  
What are some idea's there?

Xtreme12x
Dirt Forum Champ
Total posts: 874
posted October 05, 2005 08:57 AM  
You can get the panhard to work the RF, IF you have it low enough and everything else is working. If not, try to get that whole front end to squat going in. Soften up the front end equal amounts. Another way is to move the RF wheel in an inch.

showtime13
Dirt Full Roller

Total posts: 60
posted October 06, 2005 07:05 PM  
quote:
Originally posted by leapinlizard:
Which is why I don't move the right rear.

I move the left in to increase bite/cross, same thing. But last time we over compensated and it picked a up a throttle push.

To much side bite? Can you increase roll steer to reduce some side bite?


If the car is tight on the gas then move the RR back a 1/4-3/8 of a inch

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