F Chassis ('07-???) Also known as the Twin Spar chassis.

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Old 01-24-2011, 11:32 AM   #1
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AC ski shock coil spring rate chart?

Looking to go a tad lighter on my F-8 lxr which has straight rate 120 springs. bing search did not yield much of anything usefull for front coil charts, late model. Anyone know of a good chart or have a manual to offer up some help?

Currents are .343 dia 13.50 length 120 rate 11.9 coil no tab.

Looking for a bit lighter, dual rate would be fine. Thanks.
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Old 01-24-2011, 12:29 PM   #2
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This is from the 2008 Service manual.
Attachment 199850

Last edited by Brian Manderscheid; 07-21-2011 at 10:20 PM.
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Old 01-24-2011, 02:35 PM   #3
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Want a real good ride, opt for a set of dual rate springs up front, ride will be night and day better. Only downside to softer or dual rate is increased body roll in the corners.
Ran em in my '07 F1000 sno pro.
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Old 01-24-2011, 05:17 PM   #4
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 Quote: Originally Posted by Brian Manderscheid View Post
This is from the 2008 Service manual.
Attachment 199850
Yes I would like dual rate. According to the chart the 08 F's ran a much softer ski shock spring, and with a tab. My 011 has 120 rate! I have zero pro shocks and need a spring with no tab due to the double collar adjuster. This sled feels pretty dang firm for a lxr! My cfr was same way. I ended up putting on sabercat dual rate springs up front of that as well. Still looking for a chart that will list the springs I can use. Thanks.
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