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Debated on posting this in the general thread, but it may help... Again these are highly generalized....using a STOCK 370Z nismo and 350z motion ratios. Taking ~75lb off the rear
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02-02-2013, 06:07 PM
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Track Member
Join Date: Apr 2010
Location: MD
Posts: 536
Drives: 03 350z 6mt
Rep Power: 17  |
Debated on posting this in the general thread, but it may help...
Again these are highly generalized....using a STOCK 370Z nismo and 350z motion ratios. Taking ~75lb off the rear of the car for light exhaust, no spare/tools, and a minus a few gallons of gas (OP's set-up). This would likely shift the WD from 53/47 (stock) to a bout 55/45 or so... Front frequencies using 350z MR (OEM LAYOUT), 3240lb with 55/45 WD and equal L/R weights (not going to happen), and taking 65lbs per corner off for unsprung weight... 900lb spring: 2.25hz 1000lb spring: 2.37hz 1100lb spring: 2.48hz 1200lb spring: 2.60hz 1300lb spring: 2.70hz Rear with same stuff as above... 800lb spring: 2.23hz 850lb spring: 2.29hz 900lb spring: 2.36hz 950lb spring: 2.43hz 1000lb spring: 2.49hz 1100lb spring: 2.61hz Also in case those are wanting to do the math on their own. Wheel rate = spring rate * motion ratio^2. Sprung weight = corner weight - unsprung weight. 350z motion ratio is .688 front and .649 rear. Last edited by 03threefiftyz; 02-02-2013 at 06:12 PM. |
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