Brake upgrade for heavy 100 series (1 Viewer)

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Nov 14, 2016
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Granby, CT
Hi Fam,

I was wondering what brake options are available for our rigs. I have a fully equipped truck. 295/70/18 eload tires,TJM Bull bar front bumper, Slee rear with dual swing out, fridge, drawers, steel skids etc, I could go on but you get the point. The truck is heavy and does stop all that well.

What brake upgrades are people finding that work well for these trucks? I am open to all options stainless steel brake lines, different pad compound and rotors, caliper upgrades.
 
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Not really. I'd recommend decreasing overall weight of the vehicle. If you need a lot of stuff get a trailer with its own brakes. Could also switch out the steel armor for aluminum to cut a few 100 lbs. Bit pricey though.
 
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I've got Slee front and rear bumpers, winch, skid plates, sliders, fridge, (slightly) oversized BFG KO2s, etc. and my truck stops just fine.
 
I wonder if you could fit bigger brakes from a different vehicle that uses the 5x150 pattern. 200 series perhaps?

I also recall reading somewhere of someone fitting big Cayenne brakes but I’m sure that required some pretty serious modification.
 
I'm all for big brake upgrades (all of my fast cars get em), but I must say that I think the stock brakes perform just fine for what the vehicle is. My truck probably weighs as much as yours does, having a lot of extra steel on it, and it stops pretty well for a big heavy truck. I would make sure everything is tuned up, flush the fluid, get some better pads, and drive it like the big truck that it is.
 
some guys have a hard on for the Dba rotors
 
What pads is everyone using? I am currently using OEM toyota pads.
OEM with OEM rotors. Stops great. When’s the last time you flushed the entire brake system? And by flush I mean get ALL of the old grimey fluid out and replace with fresh fluid.
 
When’s the last time you flushed the entire brake system? And by flush I mean get ALL of the old grimey fluid out and replace with fresh fluid.

That. And make sure you don't have any stuck pistons.

And get good brake fluid, such as


The stock all toyota brakes are great if they are working correctly. Had no problem stopping me plus a brakeless 4500lb trailer.

That said, I now run power stop drilled/slotted rotors and z36 pads on everything. They work great, definitely don't heat up as easily and don't rust. But, if you are running 20 year old fluid or have pressure issues, they wont do you much good.

If you really want a brake upgrade, you can do a solid axle swap with 105 series outers. The use the same calipers and run a 322mm rotor vs the 100's 312mm :p I even have a spare set of rotors I will sell you
 
I just reworked my brakes and love the difference. My son is also raving about the new brakes. It turned out good. I don't know about pulling a trailer, but I can shut it down fast on the interstate if I'm running fast. I don't want to talk about MPH, but I would be taken to jail for speeding. It stops fast.

I'm heavy and loaded with ARB, Winch, Dobinsons bumper, Trail Tailor skid plate, and more. I need to go weigh because I suspect that I'm over the GVWR.

As far as brakes, nothing really exciting other than how it stops.

1) Stock rotors - turned or new. Nice and smooth. I treat new rotors with VHT Header paint so they won't rust and get ugly down the line. Maybe overkill but looks good years later. I ordered the OEM shim kit with all the trimmings. Nice and quiet.
2) Fluid recently changed and bled until clear.
3) Slee stainless lines.
4) O'Reilly Auto Reman'd calipers. The old caliper rubber was dried out and two were sticking and causing problems. It was time for a refresh. The parts I received have OEM castings. I painted them with caliper paint to keep them from rusting. I've had good luck with their remanufactured calipers over the years. Stores are nearby should I ever have a problem.
5) OEM front brake pads. These are nice FG-rated pads. I would need to go with a boutique pad to get a GG pad. I'm more concerned about getting G on high speed and temps than going over F on the low side. OEM is a nice mix of F and G
6) Bosch quiet cast rear pads. These are FF-rated pads and a step up from OEM that are rated DD. (Note that I wanted OEM until I saw the DD rating)
7) I kept the O'Reilly caliper banjo bolts. I love their caliper banjo bolt's larger bore. Even though they are 11mm. A trick was learned from the larger O'Reilly banjo bolt bores on a Tacoma where owners were rushing to upgrade to Tundra brakes. Hard to believe it until you see it. Make the banjo bolt bore comparison in the store.


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