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Author Topic:   Running stock R springs
Dirt Forum Racer

Total posts: 76
posted January 09, 2003 04:19 PM
I have a early 70's 4dr Buick that will run on a 1/4 banked dirt track. What are the opinions on leaving the stock rear springs? Are there some tricks that can be done to stiffen if needed? Thanks for your help! This is a great forum!

Dirt Roller

Total posts: 19
posted January 09, 2003 05:18 PM
cut do-nuts out of steel plate and shim from the top if you're not allowed to do mods. It's tougher to see there. Shimming will stiffen the springs like doing a valve spring.

Dirt Forum Champ
Total posts: 1565
posted January 09, 2003 06:43 PM UIN: 54865418
what do you have on the front i don't like to mix racing springs with stock if you want stock you may want to go to your local napa store and they have a book that has spring rates in it so you can find a set thats right in a junk yard myself if i didn't have 200 to buy good springs i would run a cut down spring off a 3/4 ton truck on the rf a stock one on the left then on the rears use a stock one on the left and maybe a metric or metric wagon on the rr. if you want to stiffen them you can always cut a coil or two off that will increase the rate

Dirt Freak

Total posts: 273
posted January 09, 2003 07:08 PM
Also there is a spring caculator in the tool box.That you can sit around and put numbers in to get the different varibles.

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