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Everyone is faced with a vibration of brake discs on the LS 430, there is a budget solution to this problem - installing brake discs from a Lexus GS 190 body.
Unlike the factory ones, they have a larger diameter and improved ventilation.
In front: we will need wheels 43516-22010 (left) 43512-22260 (right), four spacers for calipers, and grinding the inside of the caliper — GS disc in diameter 334 mm against 315 stock, 8 stainless steel pistons to prevent jamming of calipers in the future , original repair kit calipers.
Rear: we need a pair of 42431-30290 discs, they are the same left / right, and grinding the side inner walls of the caliper a millimeter from each wall, the diameter of the GSa disc is the same, but it is 2 mm thicker than the factory ones.
All these manipulations allow you to leave disks 17 radius.
Caliper mounting bolts remain factory.
The grinding wheel should be taken with an emery coarse-grained diameter of at least 180 mm.
I was wondering myself. It didnt seem as if pads were upgraded dimensionally or i missed it so i was curious about this upgrade as to what happens. more mass longer stopping distance?
I was wondering myself. It didnt seem as if pads were upgraded dimensionally or i missed it so i was curious about this upgrade as to what happens. more mass longer stopping distance?
Maybe the thicker rotors are less subject to warping?
Be sure to protect yourself legally with a well-written disclaimer if you decide to sell a kit. If someone ever gets involved in a car accident with your design/kit, the lawyers will have a field day with blaming the over-sized brake disc and the mutilated brake caliper.
The farther from the axis of rotation the brake pad is, the less force is required to stop the wheel.
Accordingly, the less force is applied, the less the disk heats up.
For a simple example: Imagine that you need to unscrew a bolt with a small wrench and you can’t do it, then you take a big wrench and unscrew it with much less effort.
How is the relocation ("farther from the axis of rotation") of the brake pad accomplished? Can you please show photos?
The farther from the axis of rotation the brake pad is, the less force is required to stop the wheel.
Accordingly, the less force is applied, the less the disk heats up.
For a simple example: Imagine that you need to unscrew a bolt with a small wrench and you can’t do it, then you take a big wrench and unscrew it with much less effort.
Am I missing something here? Please help me understand. Is the position of the caliper/pads changed?
The lever analogy makes perfect sense but if the location of the pads doesn't change the force applied stays the same no matter what diameter the rotor is.
Like using a 10' bar for leverage but only applying force at the center (5')...
Am I missing something here? Please help me understand. Is the position of the caliper/pads changed?
The lever analogy makes perfect sense but if the location of the pads doesn't change the force applied stays the same no matter what diameter the rotor is.
Like using a 10' bar for leverage but only applying force at the center (5')...
In the first post photo caliper with spacers on it, the caliper is 9.5mm away from the axis
10-14-19, 09:44 AM
DIY tuning brakes LS430
