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View Full Version : 9.5" vs 12"



bjcrawfo
04-21-2013, 10:24 PM
On a metric car, if I'm running a spring bucket with a 9.5" 1200lb spring in the right front, what would be the difference if I took out the spring bucket and just ran the 12" 1200lb spring?

dirtman45
04-22-2013, 08:52 AM
In theory nothing, but you will get a springier or spongy feel on that corner. I would not do it. We always uses shorter springs. 9.5 front, 11 rear.

bjcrawfo
04-22-2013, 11:28 AM
In theory nothing, but you will get a springier or spongy feel on that corner. I would not do it. We always uses shorter springs. 9.5 front, 11 rear.

Without any adjustments on the buckets how would I increase ride height. Track is really rough in 1&2
and when I go in and start hitting those rutts its throwing me up the track. I'm not pushing, its actually bouncing.

Dirt Knife
04-22-2013, 12:21 PM
Shocks
The springs will raise the ride height
Your shock package needs updating.

JMO

bjcrawfo
04-22-2013, 01:39 PM
I'm running Bilistein AK series 40/40 on the front and 30/30 on the rear. I'm not sure of the specs

bjcrawfo
04-22-2013, 01:51 PM
Rear shocks have a rebound of 158 and compression of 117, and the fronts have a rebound of 197 and compression of 154

dirtman45
04-22-2013, 04:03 PM
Without any adjustments on the buckets how would I increase ride height. Track is really rough in 1&2
and when I go in and start hitting those rutts its throwing me up the track. I'm not pushing, its actually bouncing.

You would have to do something to the bucket or add something inside the bucket to raise it. Why do you not want to change the bucket?

Also, how old are your shocks?

9car
04-22-2013, 05:04 PM
I'm running Bilistein AK series 40/40 on the front and 30/30 on the rear. I'm not sure of the specs

The rough track setup from Bilstein is LF 5555F RF 5555F LR 5030R RR 1044R

bjcrawfo
04-23-2013, 11:24 AM
You would have to do something to the bucket or add something inside the bucket to raise it. Why do you not want to change the bucket?

Also, how old are your shocks?

Shocks are not that old. Maybe has a season on em' but car was an asphalt car.

Krooser
04-23-2013, 11:45 PM
boing... boing... boing...

balljoint
04-24-2013, 10:36 PM
you would be changing the attachment height of the spring on the chassis. changing roll.

racing_kid
04-24-2013, 11:52 PM
you would be changing the attachment height of the spring on the chassis. changing roll.

how does changing where the spring is mounted affect roll? please explain.

dirtman45
04-26-2013, 01:26 AM
springier or spongy feel? WTF. explain that one to us please.

springs are rated on how much it takes to compress them per inch last I knew

We have 2 near identical cars, one with tall springs and one with short springs. To me the one with the short springs is easier to drive. Maybe springier or spongier isn't the right way to describe it. But the short spring car is just easier for me. The tall spring one seems to wishy washy, to me.

You can do what you like, I don't care. Just giving my 2 cents.

dirtman45
04-27-2013, 10:44 PM
Thanks for your permission.

Wishy washy, lol..

You must be small because you can't accept someone elses description without having the last word.

You are too funny :) :) :)