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Author Topic:   push on wet,good on dry
BONES
Member
posted May 15, 2000 04:54 PM
My car is great come feature time but if I have to run the early heat races when it's wet I push going in.The track is a tight 1/3 mile,semi-banked.I have 52 rear and 52 diagonal.LR spring is 200 and RR is 175.Should I do any of these things:remove ballast from LR(50 high and 50 low),move fuel cell from right to left,add diagonal,50/50 valving or split valving,more stagger,stick right rear out,swap rear springs?We run against 35 to 40 IMCA STOCKS every night and if I don't improve my wet track setup the points lead won't last too long.Thanks for any and all input.


jammin
Administrator
posted May 15, 2000 05:11 PM
You will need to loosen the car up some for the heat, this is easy... You can do it several different ways. The way I would do it, is just put more stagger in the rear of the car with a smaller left rear tire, it will take some of the weight off of the LR an help you turn more. You can also help it even more by coming down on the air pressures on the LR or RF and this will give you more if you need it. Adding air to the Left front or RR will do the same thing. You can run a lighter shock on the RF and it will let the nose dive a little more and the car will go in a little easier. Like I said, there are many ways to do this, I would pick which one was easiest to work with. If the dry setup is good, make sure you document everything before changing to loosen it up. Makes it easier to get back to your original set up. I hope this helps you.


BONES
Member
posted May 16, 2000 11:22 AM
Thanks for the quick response Jammin.Good info.Here's some more questions.LR is 16#,RR is 18#.How much should I drop LR?I normally run 1/2 to 1" of rear stagger.How much should I try to get? Do I need to readjust the diagonal when making these changes or is the whole idea here that you want the diagonal to be changed?How much rebound should I use on the LR shock on a wet track? I've been using a 40 or 60 rebound.Thanks again for the help.


jammin
Administrator
posted May 16, 2000 11:58 AM
When you decrease the air in the LR and RF, you are taking the crossweight out of the car, this will give you more RR bite, but will help set the car up better on entry. Just decrease the RF and LR a few pounds on each and play with it until the car feels better. If you would rather adjust it with the stagger, just run a 2" stagger and it will do basically the same thing as the air we just talked about. I lighter extension, and heavier rebound shock on the LR will let the car roll more and take some weight off of the LR also. Hope this helps.


BONES
Member
posted May 16, 2000 01:36 PM
Jammin ,did you mean less rebound and more compression on the LR shock?


jammin
Administrator
posted May 16, 2000 04:37 PM
LOL, yeah, thats what I meant, sorry.


CHASSISCAT
Member
posted May 16, 2000 06:02 PM
we have had the same proublem on a wet track and found out that it was'nt really a push as much as it was the front tires locking up when breaking and causing the front end to slide? have one of your crew watch your front tires and see if its locking up!if it is just dial some brake out and you just might be turning the corner like a champ. jammin am i close?????


BK19
Member
posted May 17, 2000 05:26 PM
try taking out some wedge i took out 1/4 inch of my left rear and it was awesome i fell to 5th but passed them all back to win on the outside


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