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Author Topic:   shock help
trynmods
Dirt Full Roller

Total posts: 53
posted July 04, 2005 03:20 PM  
After doing a search I've found that most racers prefer the Bilstein? I have afco in front and rear, as far as springs and wheel offsets im in the same ballpark as most. Its a metric car(3290lbs.) The car is loose at exit (spin out loose) even when easing into gas, will changing to Bilstein help? The Afcos are about 1 1/2 years old. By the way we can only run stock mount shocks. Thanks

racer17j
Dirt Forum Champ
Total posts: 5390
posted July 04, 2005 03:39 PM  
quote:
Originally posted by racer17j:
different brand of shock isn't going to fix that problem

I have bilsteins on my car and my dad has afco's on his car. Right now his car (with the afco's) handles great, mine on the other hand I am still fighting a loose condition in the middle. So just changing shocks isn't going to help. We tried that, couldn't tell a differance between the two. He still handled great, I was still loose.

sidebiteu259
Dirt Full Roller

Total posts: 56
posted July 05, 2005 11:49 AM  
The way you guys are talking you might as well put a buick motor in your car. Forget the name of the shock and find out the numrical value of the shock. IF it is a 5 valved shock or what not. Just cause it has afco on it doesnt mean beans but if it is a 5ext 3 compersion or 6 comperssion and 2ext is what really matters. Assign a number value and go from there. Dyno you shocks

trynmods
Dirt Full Roller

Total posts: 53
posted July 05, 2005 06:44 PM  
So if you were to replace two of them with the loose condition which would it be, front or rear and why?

sidebiteu259
Dirt Full Roller

Total posts: 56
posted July 05, 2005 07:13 PM  
If it was my car and all it was was lose in the exit. I think i wouldnt change anything. i would try driving it off the corner and not try and pinch the corner/straight of the car let it drift up do the wall. It truley sounds to me and it is something most door car guys go though is a fear of drifting to the wall. I myself would adjust the thinking pattern before i would spend some money in something that will get you in the same boat. JMO

spiirit
Dirt Roller

Total posts: 13
posted July 07, 2005 09:20 PM  
Those up fromt have done their "Chassis Tune" 101 and if you want in must do the same. While it's a fact that (particularly on the shorter tracks) with a strictly stock chassis setup you will come out best running outside (and that's another story), you still need to be able to get thru the turns as fast as possible and that means "Tuning". Read this stuff and use it wisely and you be in front of the pack too (if got the power & driver smarts to go with it).
http://www.stockcarproducts.com/tech1j.htm

trynmods
Dirt Full Roller

Total posts: 53
posted July 08, 2005 03:46 AM  
Thanks for the replys. The car is getting scaled tonight (Friday) so I hope to have more info. by Sat.

Steve Dupree
Dirt Freak

Total posts: 316
posted July 08, 2005 04:30 AM  
Be sure tonite when scaling change tires that you would run at the track and try everything you would without scales but do it on scales. We are putting ours on the scales again today just to get a few weights and a few diffent numbers we need. We finally won a heat and troughy dash and the car was in 4th and lost an axel with 2 laps to go so we want to know excactly what we were running so back on the scales again we go. Things to do when scaling. Move weight around if you run weight,always set your tire preasure as you would at the track,try different size tires and offsets and record what they will do for your weight,make sure to get a weight with the amount of gas you run or can handle. We take and usually set a 5 gal.gas can full right on top of fuel cell if we are down 5 in the tank that way i have readings of what the car is with 7 galllons and 12 gallons because we never stay full of fuel on the track, Always set in the car as you would at the track and have the wife or friend record all your readings. If you have different springs that you run then switch them and check scales for what changed. Most of all grap you a cold one and have a good time i think setting the car up and getting to know your car is the funniest thing you can do. Goodluck and good racing

trynmods
Dirt Full Roller

Total posts: 53
posted July 08, 2005 07:43 PM  
On the scales Left 1630 52.8
Rear 1542 50.0
cross 1505 48.8
TOTAL 3080 W/O Driver200#
LF 831 RF 708
LR 791 RR 744
Springs LF1100 RF1250 LR250 RR200
Offs LF3" RF2" LR2" RR4"
Tire# 12 Lefts 15 Rights
Stagger 1 1/2 front Even rears
Full Tank of fuel

racer17j
Dirt Forum Champ
Total posts: 5390
posted July 08, 2005 08:18 PM  
Well i think you are going to end up with alot of left side weight but some like that. Our left weight isabout the same as yours with driver. We had a 51.5% without driver and a 52.8 with at the weight we started at yesterday. We went ahaed and added 25 more lbs just to get a little more rear. Sense we all have about the same power even though our % are close look at the wheel weight difference i really know what this one guy said a cpl of weeks ago that 50% of 3000 is not the same as 50% of 3450 i guess thats why racer17 wants you to get a little more rear %. Here is our weights after lastnite with 25 more lbs. in the rear with even up on the rear and full of fuel 12gl.

16lb-LF-938 20lb-RF-807 Left1839-52.9
Rear1731-49.8
3476 RF-LR1708-49.1
Right1637-47.1
20lb-LR-901 20lb-RR-830
Rollout
LF-84.5 RF-87.5
LR-84.25 RR-84.5

Well this is a set we might try on a super dry track we usually run atleast a 2" stagger in the heat and a 1" in the main. Well have a great day and goodluck to all this weekend. Steve Dupree PS one of the reasons i did this layout is for all the new drivers to look at the difference in rear weight with a different in total and %. When you have more weight i think you still need % but just not as much because we only have so much motor.



trynmods
Dirt Full Roller

Total posts: 53
posted July 09, 2005 04:09 PM  
My front Afco # LF 1022 RF 1020 are they to stiff? 3290lbs. 1/4 mile track slight banking very dry and minimal rutting

[This message has been edited by trynmods (edited July 09, 2005).]

racer17j
Dirt Forum Champ
Total posts: 5390
posted July 09, 2005 08:46 PM  
When I bought the car the rear upper arms were redrilled 1" from there original spot, I've never checked to see the angles were. I run a powerglide with 10 bolt 3:73 gears

racer17j
Dirt Forum Champ
Total posts: 5390
posted July 10, 2005 09:18 AM  
Where would you add weight to get the rear percentages up to around 53% going by the scale #'s above? The springs are 13"

[This message has been edited by trynmods (edited July 13, 2005).]

trynmods
Dirt Full Roller

Total posts: 53
posted July 13, 2005 04:22 PM  
To the top....

racer17j
Dirt Forum Champ
Total posts: 5390
posted July 13, 2005 05:39 PM  
Thanks racer17j

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