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rnln's Avatar
 
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Ride height different between full and empty gas tank.

Has anyone measured the ride height different (fender lip) between full and empty gas tank? Mine is almost 1/2" on the front.

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Fat butt 911, 1987
Old 03-21-2016, 09:35 AM
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OEM torsions? I can do a theoretical:

1 gallon of gas = ~6lb
21 gallons of gas = 126lb
Stock front wheel rate = ~137lb/in * 2 wheels = ~274lb/in

126/274 = 0.46", or your measurement is pretty similar to the theoretical.
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Old 03-21-2016, 10:00 AM
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10-15mm on mine, depending on how low I run the tank. Call it 3/8-5/8". Yours sounds totally normal to me.
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Old 03-21-2016, 06:29 PM
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With 22mm TBs, I drop almost exactly a quarter inch with 65 to 70 litres of fuel.
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1987 ROW coupe, Marine blue, with a couple extra goodies.

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Old 03-21-2016, 06:33 PM
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This is why it's recommended to do corner balancing with 1/2 tank of gas and the driver's weight in the driver's seat.
Old 03-22-2016, 05:57 AM
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Thanks guys.
Anyone else?

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Fat butt 911, 1987
Old 03-23-2016, 11:31 AM
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