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  #21  
Old 12-05-2012, 10:17 PM
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I did a lot of playing and measuring on the rear with my 4 piston calipers....it's possible for sure. Our OEM front rotors are 13.25", rears are 14", the only thing I didn't look too far into is if the 4 piston calipers will close far enough without screwing up the pistons in their bores on the thinner rear rotor.
SSBC is making me a new front caliper mounting bracket now to move the 4's out 1/8"....I had some clearance issues I didn't like. I tried the mounting brackets on the back and with a 1/2" shim the calipers will be centered but the hole pattern was off by about 3/16". The shim doesn't bother me because the 3 piston front kit uses one about that size anyway.
I'll dig more into it one day when I'm bored.
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  #22  
Old 12-05-2012, 10:23 PM
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The factory front rotors are smaller than the rear??? Or is that a typo.

If you use a the same front rotor on the rear, won't that screw up the braking? Too much braking in the rear? Or are you saying use the 4 piston up front and 3 piston out back?
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  #23  
Old 12-05-2012, 10:27 PM
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Nope...our front rotors are 3/4" smaller diameter than the rears....it's pretty obvious once you know about it.

The SSBC kits come with 14" front rotors so the calipers are perfect for that diameter. I was toying with using the 4 piston calipers on both ends once my new wheels get made and the fronts will actually clear the wheels. They aren't even close to clearing the SRT10 wheels. Throw in a proportioning valve and you're golden.

I've got a pretty good working relationship with SSBC....they'll make the bracket to my spec if I ask them to....I doubt I'll mess with it till the new wheels are done though.

Last edited by UNBROKEN; 12-05-2012 at 10:30 PM.
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  #24  
Old 12-05-2012, 10:34 PM
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Cool. I actually did notice last weekend when I checked my brakes that the rear rotors seemed very large, but didn't think to compare to the fronts. Isn't that very odd that the fronts are smaller? Or is it just me...?

I guess my point is why put big brakes on the rear just to limit them? Seems like it wouldn't really be a benefit, but I might be wrong.

I know on my bike I went from a single piston rear caliper to a dual piston caliper(did it not for that reason, but for aesthetics) and it really made no difference at all. There are guys that go from the 6 piston front to the 8 piston front and a radial MC and say that makes a big difference. But for me the factory setup is more than ample.
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  #25  
Old 12-05-2012, 10:53 PM
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I plan to run some road courses in this truck....I want as much braking as I can buy....to a point.
Will $7K brakes stop that much more than a set I'd have about $4K in? I dunno...dunno if I want to find out either.

I can play with the 4 piston stuff for a whole lot less.
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  #26  
Old 04-30-2013, 08:03 PM
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UNBROKEN, could you give us an update on your SSBC 14-inch Big Brake kit? I have found my stock brakes with my 20" wheels inadequate after a panick stop to avoid an ambulance. The only reasonably priced option out there is this SSBC 14-inch rotor kit. SSBC told me today that the 4-piston unit will interfer with my stock 20-inch wheels and I need to go with the 3-piston. Also said the are not going to make the 4-piston units for Dodge anymore.

What has been you experience? Thanks!
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  #27  
Old 05-23-2013, 10:15 AM
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Here is a recent eye opener for me. Even though I have driven my 2012 RAM 1500 3,500 miles, I found out and my brake pads never bedded-in. I coast down a lot and most brake applications are light pressure below 30 mph. This was a surprise to me. But still, after 3,500 miles?!?! I had to do 5 panic stops from 45mph before they set (including the first stop to miss an ambulance).

Make sure your brake pads are fully set. It makes a big difference on your braking performance. I used an earthquake app on my tablet to measure deceleration forces during braking. Results below. The red line is my son's 2010 1500 with 40,000 miles on it. Each column is approximately 0.5 seconds.

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  #28  
Old 05-23-2013, 06:07 PM
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Quote:
Originally Posted by UNBROKEN View Post
I did a lot of playing and measuring on the rear with my 4 piston calipers....it's possible for sure. Our OEM front rotors are 13.25", rears are 14", the only thing I didn't look

One of the issues a vehicle owner has to face when they put big brake kits on the front is - the rear brakes need to get smaller. Larger, more effective brakes on the front cause more weight to transfer to the front, off-loading the weight on the rear wheels resulting in less tire traction in the rear. That's why when you look at a Corvette with massive rotors and calipers on the front, the have tiny calipers in the rear. Thus, this is one reason why I wouldn't recommend taking a caliper made for the front and installing it on the rear.
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  #29  
Old 05-23-2013, 10:00 PM
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Well the corvette rear calipers may be "tiny" relative to the front, but they are still pretty damn large compared to most vehicles.

I'm not denying what you are saying, I don't know quite enough about braking systems, but just sayin'.

I'd say get the cheapest duralast pads that have the lifetime warranty from autozone and be done with it, but that's me .
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  #30  
Old 05-27-2013, 11:15 AM
Flaminchiten Flaminchiten is offline
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The new corvette uses larger diameter rotors in the rear than in the front except on the Z51 model and presumably the Z06 and ZR1 variants.

12.6 front
13.3 rear

http://www.chevrolet.com/new-2014-co.../specs/specs_1
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