Quote:
Originally Posted by PrematureApex
I don't think one should expect any stopping distance improvement, at least when talking about single hard stop, where brake fade isn't an issue.
Want shorter stopping distance? Get stickier tires.
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Truth, my dedicated summers should help.
Quote:
Originally Posted by PrematureApex
The stock brakes are strong enough to engage the ABS, at least on the stock tires. So what does that mean? It means you already have more brake torque than you do available traction. That means adding more stopping power isn't going to gain you anything. Big brake kits, for example, don't always actually increase brake torque (or at least not a huge amount). They do however add heat capacity. So when you're tracking, you fend off brake fade longer.
Dare I say it, this "upgrade" may actually marginally INCREASE stopping distances, as you've increased your unsprung weight and rotating mass at the wheels.
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This is countered by loosing 12lb's per corner by ditching the stock anchor wheels/ RFT's. The stock wheels are just over 32 lb's and cripes are run flats tires heavy!
I'll have a full weight difference when I actually get around to doing it.
Quote:
Originally Posted by PrematureApex
Again, on a stock car in a single-stop scenario, available traction is the limiting factor in stopping distances, not braking power.
Where this upgrade will shine is under heavy, repeated use (like on a track)where the added thermal capacity will keep stopping distances more consistent.
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What I'm actually striving for is decreased brake pressure, primarily at full stop. The amount of braking force to hold the 28i w/automatic stopped, is strangely bizarre to me. Often I find myself slowly creeping at a stop.
This is my first automatic car that I've owned so maybe it's me.
Also note that when cross shopping 28i vs 35i rotors/pads, the 35i items are about $8 dollars cheaper per item, per corner. My guess would be since they are used on more cars. 3 series..ect
I hope I'm not trying to convey that this will be a massive upgrade.
These ain't no 6 pot calipers with two piece carbon rotors that i'm only buying for status points at a car show, but for the cost, and lets face it, looks; it's damn cheap.