Quote:
Originally Posted by VR Baron
That number is 1- 1-1/4 from stock. On 20 wheels, thats about 25.75-26 on the front and a max of 26 at the rear. After that rear axel angle is to great for high speed driving. Axel grease gets to hot, melts and runs out of axel boots that can split. By by axel. For street not as much of a concern.
Then for 19 wheels figure hieght will be 1/2 lower, 18s will be 1 lower then the numbers I have above. Then you factor in the tire diameter. And remember the tires squish down about 1/4 also.
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Wheel size doesn't mean you will sit lower. The stock 18" wheels, and stock 20" inch wheels. You have the exact same diameter tires on them . Resulting in the exact same ride hight. His 285/40/18 is a 27" diameter tire. The stock tire diameter is 28.7". That gives him a drop of .85". That tire drop doesn't affect the suspension geometry. So if he keeps his suspension drop to only a inch. He will be all good.