Duramax Diesels Forum Truck of the Week
  #1  
Old 12-29-2016, 05:31 PM
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Default Brake upgrades

Thought I'd make a thread about braking upgrades for 01-10 trucks and I have a few questions as well.

I have a 2008 2500. It has braided brake lines, LML hydroboost, napa rotors, and hawk super duty pads. The LML hydroboost made a huge difference with pedal feel and fit a 2004 LB7, a 2005 LLY, and both LMM's. Will a 2011 master cylinder bolt up and will there be an increase in braking performance?

I also got a huge reduction in pedal effort and stopping difference with this on my dads 2007.5. http://www.duramaxdiesels.com/forum/...ad.php?t=48714

I would love to buy the willwood 16" front and rear kit for my truck but my budget doesn't allow for that right now. I figured I would make a thread to increase pedal feel and shorten stopping distance on a budget. I won't get into proper maintenance for the brakes on these trucks, we should all know how to do that by now .

The biggest gain I noticed was with the Hawk super duty pads. Much better initial bite and I haven't gotten them to fade. My fluid failed before I could get them to fade(until I switched fluids).

Next would be brake fluid. Pretty much anything I could get local is trash. I run this in any and all vehicles I own. Much firmer pedal feel and heat doesn't bother it. https://www.amazon.com/gp/aw/d/B000J...7pL&ref=plSrch

Next thing would be the 14.25 inch front rotors from SSBC. These are on my dads truck and the rotors have a few stress cracks but nothing to worry about. I know on my truck I could kill them if I tried. I'm looking into a better quality rotor. There isn't anything on the market that will hold up to my abuse(not sure about willwood yet).

The LML hydroboost works very well. Much better pedal feel and initial bite seems slightly improved. I haven't done any braking tests but I believe it'll only shorten stopping distance from the intial bite. http://www.duramaxdiesels.com/forum/...ad.php?t=65044

I'm going to update this thread and hopefully do more stopping tests.
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Old 12-29-2016, 06:32 PM
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The master cyl supposedly is bigger in diameter. So it actually might make more of a difference than the booster.
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Old 12-29-2016, 06:46 PM
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The Wilwoods are nice, limit wheel size though
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Old 12-29-2016, 07:50 PM
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Quote:
Originally Posted by 04jimc View Post
The master cyl supposedly is bigger in diameter. So it actually might make more of a difference than the booster.
I'll order it up and post my results.

Quote:
Originally Posted by moparkxracer View Post
The Wilwoods are nice, limit wheel size though
Have you done any 160mph-60mph not panic stopping just slowing down quick? Do you have any stress cracks in your rotors?
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Thanks to Mike L, SoCal Diesel, and Abel Chevorlet.

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Old 12-29-2016, 08:00 PM
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I have not done 160 in it. I have had the speedo barried a few times though, there are no cracks.

Quote:
Originally Posted by gmduramax View Post
I'll order it up and post my results.



Have you done any 160mph-60mph not panic stopping just slowing down quick? Do you have any stress cracks in your rotors?
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Old 12-29-2016, 08:02 PM
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Quote:
Originally Posted by moparkxracer View Post
The Wilwoods are nice, limit wheel size though
I was actually going to ask about this. What size of wheel we talking, 18"?
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Old 12-29-2016, 08:03 PM
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Quote:
Originally Posted by moparkxracer View Post
I have not done 160 in it. I have had the speedo barried a few times though, there are no cracks.
I bet you're closer to 160 than you think 4000 rpm with a 305/50/20 is 160mph with 3.73's
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Thanks to Mike L, SoCal Diesel, and Abel Chevorlet.

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Old 12-29-2016, 08:04 PM
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Quote:
Originally Posted by Stancedlb7 View Post
I was actually going to ask about this. What size of wheel we talking, 18"?
IIRC 20" wheel minimum
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Thanks to Mike L, SoCal Diesel, and Abel Chevorlet.

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Old 12-29-2016, 08:06 PM
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You have to run at least a 20 inch wheel, I'm running BMF novakanes and they are close. Did stainless lines and the system is very solid feeling at the pedal. I have pictures but the sight makes me crop them all close to be able to post them.
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Old 12-29-2016, 08:08 PM
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Quote:
Originally Posted by Stancedlb7 View Post
I was actually going to ask about this. What size of wheel we talking, 18"?
Don't quote me on it, but im pretty sure wilwood rotors, minimum wheel diameter is 20".
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Old 12-29-2016, 08:12 PM
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20's is the smallest.

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Engine build: Burkett racing
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Old 12-29-2016, 08:15 PM
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I like my wilwoods. Install was easy, but they sent the wrong break line adapters. I ended up finding the fittings to make them work at the local parts house. They don't offer all of the beaded lines. The one that goes from the frame to the rear end they don't offer. I ordered a braided line from Crown. That way all of the rubber lines would be replaced with braided lines. Yes 20"+ wheels, and you probably won't be able to use your factory spare.



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Old 12-29-2016, 08:18 PM
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Ya, I tried a line kit sent it back and had a local shop make all of them. Was cheap, coated and are DOT approved.
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Engine build: Burkett racing
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Turbo spec: Shane (S Phinney on here)
Turbo kit built: myself and Landon at Shade tree triples
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Fueling: Exergy

And everyone else who made this possible, Thank you!!
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Old 12-29-2016, 08:44 PM
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Quote:
Originally Posted by moparkxracer View Post
Ya, I tried a line kit sent it back and had a local shop make all of them. Was cheap, coated and are DOT approved.


Yes. I don't see how Wilwood lines could even get close to DOT standards. I got one set that was braided line with no coating. That set got returned.


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Old 12-29-2016, 09:00 PM
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I've done the lml booster swap, still have OEM rubber lines Napa premium fleet rotors, swapped PS fluid to synthetic ATF, dot 3 fluid.. I do a flush every 50k give or take...
I do have heat stress cracks in the rear...
Love to do 14" rotors but no one makes any for a dually.. and I'm not putting them only on the front..
Next step for me.. is by passing the ABS module/electronic prop valve and put mechanic valve in..
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