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Old 12 Aug 2017, 14:44 (Ref:3758979)   #1
Ferrarist75
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Cross weight balance of a car

Have a kind of unusual question about cross weight balance of a car.
Have access to a car weight scales, and read a lot about how to properly make it right.
But it will be a LOT easy for me if i remove all 4 tyres, and place the car on jack stands, which supports wheel hubs. All jack stands will be leveled between on the scales as well.
It will allow me great access to the coilover springs for adjustments.
Did i miss something and is there any downsides?
Thanks.
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Old 30 Aug 2017, 10:20 (Ref:3762876)   #2
morninggents
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I assume you mean wheels and tyres. Are wheel and tyre sizes the same front and rear? If not, your corner running weight will be different from set up weight.
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Old 30 Aug 2017, 21:10 (Ref:3763029)   #3
Ferrarist75
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Originally Posted by morninggents View Post
I assume you mean wheels and tyres. Are wheel and tyre sizes the same front and rear? If not, your corner running weight will be different from set up weight.
Since FR and LR wheels(with or without tyres) weights same as LF and RR, and balance is made between these corners, i don't see any problems if front wheels is 9" wide and rears is 10".
However i made it right already.

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Old 4 Sep 2017, 22:57 (Ref:3764557)   #4
275 GTB-4
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275 GTB-4 should be qualifying in the top 10 on the grid275 GTB-4 should be qualifying in the top 10 on the grid
Well done...looking good...but were you sitting in the car/"sandbags" in Drivers seat?
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Old 5 Sep 2017, 15:06 (Ref:3764730)   #5
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Well done...looking good...but were you sitting in the car/"sandbags" in Drivers seat?
Yes,driver weight is on the seat.
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Old 9 Sep 2017, 09:20 (Ref:3765608)   #6
Gerard C
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Just out of my curiosity, did you adjust the corners' heights prior to balancing the weights? Did you free/ remove the anti roll bars if exist?
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Old 9 Sep 2017, 09:39 (Ref:3765610)   #7
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Just out of my curiosity, did you adjust the corners' heights prior to balancing the weights? Did you free/ remove the anti roll bars if exist?
Both bars disconnected both sides,all 4 A-arms bolts and nuts loosed a little......heights done before, small adjustments afterwards.....
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