Shock valve setup

Started by Andreas Schlachter, Feb 18, 2026, 07:08 PM

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Andreas Schlachter

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Feb 18, 2026, 07:08 PM
Hi Ron,


what do you think about the forces (velocity) rebound and compression with. Is this to stiff  or soft? I have 700 springs on front axle? in europe they sadly have no experiences.
Shocks are from ohlins lmj.
727lb corner weight 50/50 square.
roadcorse.

thanks andi

Ron Sutton

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Feb 25, 2026, 06:41 PM
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Quote from: Andreas Schlachter on Feb 18, 2026, 07:08 PMHi Ron,


what do you think about the forces (velocity) rebound and compression with. Is this to stiff  or soft? I have 700 springs on front axle? in europe they sadly have no experiences.
Shocks are from ohlins lmj.
727lb corner weight 50/50 square.
roadcorse.

thanks andi

A few things,

First, please convert the numbers to US equivalents for me. I need pounds of force & inches per second.

Second, the compression ramp SHAPE looks OK, but I can't tell how much force is there.

Third, the the rebound ramp looks horrible.  Way too much rebound for a linear curve like you have. I suggest you have it revalved with a digressive piston on the rebound side. Again, I can't tell how much force is there.
I'm a veteran racer & race car designer committed to staying on the leading edge of racing technology, for one reason, to win. Everything else is BS. I'm only semi-retired because I still love helping build bad ass race cars.

While engineering, geometry, trigonometry, physics & more affect everything in race cars, I do my best to make the complicated easier to understand. One of my racing friends said, "Ron is a race car designer that did not go to engineering school, so he speaks car guy."
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