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Old 10-18-2009, 03:20 PM
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Project: Big Brake Kit for the 5.7 with a MonoBloc Caliper

New Thread continued from here so I'm not Thread Jacking!

NON SRT8 Jeep WK with Jeep SRT8 Brembo calipers and rotors

I'm thinking and planning again (uh oh!)

This time it is all about stopping power. Now that I can make it go I need to be able to make it stop repeatedly and perfectly. To achieve this a big brake kit is in order, all 4 all around!

Brembo is just down the road a few minutes, so that's a bonus!

I'm thinking that since all big brake kits need a caliper to spindle adapter I can retain my 5.7 spindles = bonus.

Here is my idea. As you can see in the picture below the monobloc caliper is bolted on vertically where as our standard caliper is bolted horizontally...this is where the adapter comes in (seen below mid right side of picture just below the box)!



Now I have access to any type of metal or alloy and the machines to make anything to aerospace tolerances...so now I just need to know what this part is made from?...Titanium...anyone know?

And the project begins!
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Old 10-18-2009, 03:34 PM
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Re: Project: Big Brake Kit for the 5.7 with a MonoBloc Caliper

There's a guy that ran one in targa Newfoundland a couple of years ago, from memory that SRT had a monster upgrade, so it can be done, but yes, might not be 'off the shelf".
And yes, the stock SRT package is probably quite good, but if you really want to lean on them, they won't be up to it. Not many factory packages are, heck, we cracked the rotors and even the pads on the R35 GTR's first track day, and they're 8 spot Brembo with 380mm rotors and alloy hats!
I'm just saying going an step or two further than just SRT Brembos would get several + rep from me! lol
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Old 10-18-2009, 03:34 PM
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Re: Project: Big Brake Kit for the 5.7 with a MonoBloc Caliper

Quote:
Originally Posted by Marlin View Post
I'd like to see you go for a really serious upgrade, something much more serious than the SRT brembos
I reckon 400mm slotted front rotors with floating alloy hats, with six piston front and four piston rear monobloc calipers would be just the ticket
Get those SRT boys drooling!

** i know folks will come on and say put 12 piston calipers or whatever on, but before you do, more pistons don't neccessarily equal more power
Any info on this 400mm setup Ben?

Quote:
Originally Posted by Scottina06 View Post
even if you buy that Brembo upgrade...your still gonna need the SRT spindles and rear plates.......

I think the SRt Brembos would stop you just fine instead of paying $4k for that package
True on the spindles/hubs for the front and I will need the whole rear setup aswell from the SRT8 along with upgraded sways and springs...everything!

The issue isn't stopping once as I'm sure they would just fine...it's fade that is my concern.

Quote:
Originally Posted by Scottina06 View Post
^^^the reason I say this is because that kit isnt available for the WK as far as I know.
True it's only available for the SRT8 Fronts found here:
http://www.buybrakes.com/brembo/gt-apps-Jeep.html

Nothing for the Rear in the GT line...probably due to our Top-hat rear rotor/brake design (parking brake)

I'm going to go talk to them and see if they have any plans for the WK as their factory is just down the road a bit. They make a set for the silverado/tahoe, Ram 1500, the full line of Chargers/Challengers/300/Magnums...just nada for the WK...

Quote:
Originally Posted by Marlin View Post
There's a guy that ran one in targa Newfoundland a couple of years ago, from memory that SRT had a monster upgrade, so it can be done, but yes, might not be 'off the shelf".
And yes, the stock SRT package is probably quite good, but if you really want to lean on them, they won't be up to it. Not many factory packages are, heck, we cracked the rotors and even the pads on the R35 GTR's first track day, and they're 8 spot Brembo with 380mm rotors and alloy hats!
I'm just saying going an step or two further than just SRT Brembos would get several + rep from me! lol

Escape
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Old 10-18-2009, 03:36 PM
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Re: Project: Big Brake Kit for the 5.7 with a MonoBloc Caliper

I don't believe there is a kit available, but I would suggest Brembo would be interested in developing an SRT8 upgrade kit as it could be a developing market with so many going so fast now.
If Brembo wasn't, the parts can be manufactured by any competent machine shop, ie, make a hat and caliper adaptor block to allow fitment of an off the shelf *any brand* caliper and 400mm rotor.

To fit a 400mm setup, you would need an alloy hat to suit a WK stud pattern. Like I say above, if not available, they can be modified or milled to suit.
It would look something like one of these; (the versions here that have more of a "drum" shape are used on the rear to allow the use of the standard internal drum style handbrake on most cars.


This is the 400mm rotor we fitted to the front of the R35;


And remembner, no need to buy new. true high performance calipers of many brands are available ex US for quite reasonable prices. The benefit of this style of MONOBLOCK caliper pictured is the performance really IS much stronger than Brembo's OE supplied calipers to most manufacturers. Truthfully, calipers are not all created equal, many people who aren't into racing simply aren't aware of this.
Ex Indycar calipers are very readily available, and are very commonly used on serious track cars.

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Old 10-18-2009, 03:36 PM
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Re: Project: Big Brake Kit for the 5.7 with a MonoBloc Caliper

Quote:
Originally Posted by Marlin View Post
I don't believe there is a kit available, but I would suggest Brembo would be interested in developing an SRT8 upgrade kit as it could be a developing market with so many going so fast now.
If Brembo wasn't, the parts can be manufactured by any competent machine shop, ie, make a hat and caliper adaptor block to allow fitment of an off the shelf *any brand* caliper and 400mm rotor.

To fit a 400mm setup, you would need an alloy hat to suit a WK stud pattern. Like I say above, if not available, they can be modified or milled to suit.
It would look something like one of these; (the versions here that have more of a "drum" shape are used on the rear to allow the use of the standard internal drum style handbrake on most cars.


This is the 400mm rotor we fitted to the front of the R35;


And remembner, no need to buy new. true high performance calipers of many brands are available ex US for quite reasonable prices. The benefit of this style of MONOBLOCK caliper pictured is the performance really IS much stronger than Brembo's OE supplied calipers to most manufacturers. Truthfully, calipers are not all created equal, many people who aren't into racing simply aren't aware of this.
Ex Indycar calipers are very readily available, and are very commonly used on serious track cars.

Excellent Info Ben!

I'm loving those 6 piston MonoBlocks...got any pics on the adapters to hook those up to the spindle?

I'm thinking I can keep my 5.7 spindle and just get some custom made adapters as the SRT8 has to have adapters for the MonoBlocks aswell.

Good info, thanks again!

Escape
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Old 10-18-2009, 03:40 PM
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Re: Project: Big Brake Kit for the 5.7 with a MonoBloc Caliper

I copy/pasted our posts over mate, hope you don't mind. Let me know if it's too confusing?

Here's a pic and shematic of a typical alloy caliper adaptor, we've also milled them out of steel before for cheaper builds, but using steel increases unsprung weight, which isn't ideal.


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Old 10-18-2009, 04:11 PM
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Re: Project: Big Brake Kit for the 5.7 with a MonoBloc Caliper

Thanks for moving the posts Ben...Awesome!

I can get Titanium if needed...strong and light!
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Old 10-18-2009, 04:15 PM
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Re: Project: Big Brake Kit for the 5.7 with a MonoBloc Caliper

And yeah, I reckon you're on the right track.
I've said before there's no need to change to SRT suspension parts etc if you want a big upgrade, simply adapt whatever caliper you have to suit the offset of the rotor you have, not hard at all.

You DO need to keep in mind though, if you put truly massive calipers on front and rear, you may need to install a larger bore master cylinder (or have you std one bored out) to keep the pedal feeling right. Not hard, and not common, but worth mentioning so you don't sue me.
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Old 10-18-2009, 05:42 PM
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Re: Project: Big Brake Kit for the 5.7 with a MonoBloc Caliper

your also gonna need stainless lines.....which is my next project.

I must say though....I have a mid-high 13 second Jeep with the complete SRt suspension and bwoody springs and links. I have pushed my Jeep very hard(great roads here in KY...I will do a video when I can) the last week on backroads and I must say the Brembos performed brilliant with no fade, overheating etc. One thing I can suggest escpae is the zSRT brake coolers.....they really seem to help.
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Old 10-18-2009, 05:53 PM
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Re: Project: Big Brake Kit for the 5.7 with a MonoBloc Caliper

Stainless lines are a great improvement, give you a much nicer pedal feel.
May I suggest to both of you seeing if Goodrich brand items are available for your application, I have seen MANY other brands and custom made ones fail with catastrophic consequences.
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Old 10-18-2009, 05:57 PM
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Re: Project: Big Brake Kit for the 5.7 with a MonoBloc Caliper

there are no SS brake lines available besides custom lines. Bwoody usedto sell some...but stopped for some reason. You can get a custom set online...but I forget who it is.
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Old 10-18-2009, 06:00 PM
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Re: Project: Big Brake Kit for the 5.7 with a MonoBloc Caliper

Ok, bugger.
Of course you'll make sure the custom ones you have made are DOT approved, and I'd also suggest ensuring they have these thick plastic sleeves on each end, it makes a big difference to longevity, they don't fray at the fitting.



See the diff? These don't have the plastic;
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