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Author Topic:   Springs
19J
Dirt Freak

Total posts: 370
posted December 06, 2004 02:49 PM  
I have a 1983 Dodge Challenger(rwd) it weighs about 2500. Im not quite sure anymore added more roll cage hasnt hit scales since. I want to get rid of the stock junkers that have spring rubbers and tensioners in them. My rf has 2 rubbers and 1 tensioner my question is.
What rate should i put on the RF? It is a strut setup. Im thinking about a 1000. Car used to dive on RF HARD. Now it is good. I like the adjustability of the rubbers and all but i want to do it "right" also...

I have about 13" rears what rates should i have on them. Im thinking 225 lf and 200 rr any suggestions. No i dont what each wheel weight is now. I dont have a set of scales. Any help is greatly appreciated.

3/8 mile medium to low banking and a big 3/8 with good banking. Speeds around 70 or so. Will i need a softer or stiffer spring since it is a strut or does it even matter? Thanks



bigcityracer
Dirt Freak

Total posts: 431
posted December 06, 2004 03:35 PM  
quote:
Originally posted by 19J:
I have a 1983 Dodge Challenger(rwd) it weighs about 2500. Im not quite sure anymore added more roll cage hasnt hit scales since. I want to get rid of the stock junkers that have spring rubbers and tensioners in them. My rf has 2 rubbers and 1 tensioner my question is.
What rate should i put on the RF? It is a strut setup. Im thinking about a 1000. Car used to dive on RF HARD. Now it is good. I like the adjustability of the rubbers and all but i want to do it "right" also...

I have about 13" rears what rates should i have on them. Im thinking 225 lf and 200 rr any suggestions. No i dont what each wheel weight is now. I dont have a set of scales. Any help is greatly appreciated.

3/8 mile medium to low banking and a big 3/8 with good banking. Speeds around 70 or so. Will i need a softer or stiffer spring since it is a strut or does it even matter? Thanks


Those front seem way to stiff. I would start with 300RF 275LF 150RR 175LR. If you currantly have 13" rear, I would drop them to 11". If you use stiffer spring it will raise your ride height. I would go to 11" and use spaces if you need to raise the car.

19J
Dirt Freak

Total posts: 370
posted December 08, 2004 03:13 PM  
300 seems way to soft. I dont want the car to nose dive like it did before.

racerman707
Dirt Freak

Total posts: 374
posted December 09, 2004 09:49 AM  
Take the spring to somebody that can rate it. Get one about 50 pounds less then you can use one spring rubber to adjust.

bigcityracer
Dirt Freak

Total posts: 431
posted December 09, 2004 07:51 PM  
quote:
Originally posted by 19J:
300 seems way to soft. I dont want the car to nose dive like it did before.

The stock spring are 100-125. try those springs you will be happy. I would not go over 500 on the front. I been running mini stocks for over 10 years and ran a street last year RF1000 LF900 RR200 LR200 car handled great.


2FAST4U
Dirt Maniac

Total posts: 175
posted December 11, 2004 09:41 PM  
i have a 700 in the rf of my ford mustang. its had a push all year .we went from a 550 (good start) to a 700 handle good now

bigcityracer
Dirt Freak

Total posts: 431
posted December 12, 2004 08:08 PM  
quote:
Originally posted by 2FAST4U:
i have a 700 in the rf of my ford mustang. its had a push all year .we went from a 550 (good start) to a 700 handle good now

A Mustang has the spring mounted on the lower a-arm, The dodge has the spring mounted on the strut. There'a a big leverage differents int eh 2-cars.



19J
Dirt Freak

Total posts: 370
posted December 26, 2004 07:20 PM  
Does anybody have some springs for sale? I dont want to buy new til i know what i need. Thanks.

19J
Dirt Freak

Total posts: 370
posted January 05, 2005 09:54 AM  
TTT ANYONE??????

rnoswal53
Dirt Maniac

Total posts: 120
posted January 06, 2005 05:02 AM  
Sorry I don't have any springs for sale, but if the strut has the spring on top, then I wouldn't go any more than 300 lbs, rf. I have a Toyota with the same set up and started with a 250 lb rf spring. We have a pretty good bank on our turns and thought I would try the 300. I had a friend watch as I went through the corners and it stayed very level.

I used 8 inch springs, 5 in diameter. I still use the 250 on the fr left. I use the stock springs in the rear. They are rated at 100 lbs. These don't behave like NASCAR springs with their super hard right rear. If you are driving on dirt, then the softer the better. Use a soft dampening shock on the rr too. Make sure your shocks are good up front too. That will also make the front act strange if they are worn out.

Do not use anything higher than the 3 or 400 lb spring or else the car will push like a dump truck. D W's words, not mine. You may not have a lot of options for shocks up front so go with new inserts.

If you drive on a paved track, forget everything I said!

Russ

19J
Dirt Freak

Total posts: 370
posted January 24, 2005 09:41 PM  
Could i put rear springs on the front? I cant really find that "soft" front springs or that tall. I can get 500 11" or up to 350 13" tall but those are "rear" springs. Thanks.

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