93 Yota

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partybarge_pilot

Uno mas Cervesa!
May 14, 2004
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Easton, KS
Dampening is what happens to a lady's underwear when they see a sweet prerunner, as in "hey Brit, that sweet prerunner is dampening my panties". Damping is what shocks do, as in "hey Brit, that prerunner has some buttery smooth damping".

Single 2.5" - 2.5^2*pi/4 = 4.9in^2
Dual 2.0" - 2*2^2*pi/4 = 6.3in^2
So for the same travel of shock, dual 2.0s will provide more oil and in theory would run cooler, but dialing two shocks is harder than one. Plus most 2.5" shocks have larger resis, so the larger cross-sectional area is likely moot. The first truck I ever built ended up running a single 2.5 King with SAW torsions before being sold and it was buttery, though that was before I had built more advanced trucks.
You're not taking shaft displacement into account. When you do that it's a wash.
 

partybarge_pilot

Uno mas Cervesa!
May 14, 2004
12,605
4,353
113
Easton, KS
Bilstien wins that one with the 12mm shaft. The bigger the shaft the lower your damping. Piston bore area minus shaft area = effective piston diameter. So if you have dos 2" fox's with 7/8 shafts you're going to need a shit load of valving.
 

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