jimmyducati

iTrader: (3)

does anyone make a bracket to use the c6 zo6 calipers and 12.8 rotors on an f body yet? these calipers can be had for about 500 bucks a set, much much more clamping force than the c5 caliper and not much more expencive.

Beaflag VonRathburg

iTrader: (176)

Bump, I want to know also.

jimmyducati

iTrader: (3)

www(dot)engineeredvelocity(dot)com

i emailed them to ask about the caliper brackets, ill post back with there response but they have alot of good looking brackets for a bunch of other aplications.

02TransAm/Batmobile

iTrader: (32)

Where are you finding C6 ZO6 Calipers for 500 a set??

Phoenix 5.7

iTrader: (7)

yes there is a way. the C5 trackbrackets(pm me for info) will work with the C6 Z06 hardware. the PAB make up the difference in rotor size between the c5 and c6z rotor. the conversion is might not be expensive, but the maintence is goin to be ****** expensive. look up how much it cost to replace the 16 brake pads(yes 16). u will need 18in wheels

Beaflag VonRathburg

iTrader: (176)

They have 16 ******* brake pads? I'd probably end up gluing my hands together with anti squeel compound replacing that many brake pads.

Phoenix 5.7

iTrader: (7)

individual pad for each piston of the calipers.

Blakbird24

iTrader: (24)

I have alot of the parts for the conversion right now and i'm abandoning the idea, my parts are up for sale.

Here's why I gave up...

1 - Wheel clearance. Even with 18+ wheels, you need either custom wheels or factory C6 Z06 wheels to clear the calipers (spoke clearance issues).

2 - Price. The absolute cheapest that you can get these calipers for new is $248 shipped (each). Several places advertise $204, and then charge $44 shipping PER CALIPER.

3 - Weight. The calipers are 15lbs a piece. Front rotors are 25lbs each. You've gotta have great shocks to use this setup.

If you want to do this, accept that you will be paying AT MINIMUM $1000 for the front setup. I've been shopping around for about three months now, trust me that's the best price you'll find for Calipers, rotors, pads, brackets and lines.

The pads are the least of your concern. A complete (F+R) Hawk HPS pad set can be had for $220 shipped on ebay. That's not bad at all. Fronts are only about $130.

I've decided that i'm going with either a C6 Z51 setup, or maybe just a C5 Z06 setup. That way I can just throw pads and rotors on the rear and be done with it.

jimmyducati

iTrader: (3)

the brackets can be had for 90 a pair at engineeredvelocity.com in my opinion brakes are the single most important part of a well performing car (plus you cant beat the looks of big brakes) so i dont have a problem paying out for them. blackbird,, sent you a pm on your parts!

trackbird

iTrader: (4)

In that case, I'd not buy the "cheap" knock off brackets. Per their website, they "reverse engineer" (copy?) other peoples work and are building stuff of unknown/untested quality. Trackbrackets or UMI brackets will do what you ask and are a known quantity. Just because it fits in the hole, it doesn't mean it's just as strong. Brakes are important, be careful.

Whistler

iTrader: (46)

The problem with those brakes is the wheel fitment. You need a minumum of 18 inch, but most wheels don't clear not because of the size of the wheel, but because of interference on the face. The calipers stick out FAR and barely clear my HRE 541s, but don't clear a set of 545s I tried from a customers car. You're pretty much limited to C6 Z06 wheels for the cheap choices.

gun5l1ng3r

I wondered how long it would take before there was a post on the strength of the "knock' off brackets. I don't even think they are a sponsor here(?)...

I would never put a cheap brake part on my car, but that is just me...
There must be a reason they are only half as much money.

02TransAm/Batmobile

iTrader: (32)

I had some questions about the Brackets from EngineeredVelocity.com and e-mailed Joe. He is a great guy and knows his ****. He replies within a day and answers all your questions very thoroughly. Here is my e-mail to him questioning the strength and quality of his products.

"I am interested in ordering the conversion bracket on my 2002 Trans Am.
What is the bracket made out of? Could you tell me anything else about
the material and quality of these brackets? I was looking towards Kore3
Brackets which are 3/8" thick and made from steel. The bolt housings, I believe,
are welded. It is also Zinc-Plated for rust. Then I was looking at UMI
Performance's Bracket which are a one-piece aluminum. This is better to
dissipate heat. They are powder coated and thicker. Not sure how much thicker but
between the bolt housings, there is a bar that produces a more rigid and a sturdy
bracket.



Is it at all possible to weld on a piece of steel/aluminum to this area
for my ease of mind? Here is a picture, in case you never seen what I'm
talking about: _http://umiperformance.com/2120?category_id=30_
(http://umiperformance.com/2120?category_id=30)

Thank you for your time.

James

P.S. If I choose to go with you guys I will post up my C5 Brake Conversion
on LS1tech.com."


"Hi James,
The brackets are made from 4130 steel. The base plates are 1/2" thick.
The stand offs are MIG welded to the base plates.

We batch order the brackets and section a set of brackets at the welds to
check for penetration and consistency of the welds. We do this to ensure
the quality of the brackets is the best it can be. It sucks we have to
destroy a set of brackets to verify, but its just one thing that we do to
ensure these are shipped out the door with quality in mind for our
customers.

These brackets have been through strain gage tests and hours of FEA work
as well as hand calculations to ensure they're up to the task of even the
14" Z06 brake setup. They've been backed up with thousands of street
miles and track time. Ask our competitors if they truly understand what
cyclic and thermal loads do to their brackets infinite fatigue life. You
know you're onto something if you get some ackward pauses and a bunch of
"Ummmm" or "Huh?" responses.

If you take a look at the base plates you'll notice a few things that
we've done to improve the factor of safety over our competitors. Such as
adding material in the brackets weakest link. Pull up a picture of our
brackets and look at the added material near the four 10mm spindle
mounting holes. If our competitors have really done their homework
(simply called a "free body diagram" of the forces and their reactions to
the part...in this case, our conversion brackets), they would realize this
is where the bracket will fail first...not at where they've added their
cross brace.

I can also tell you've they've violated some best practice and engineering
rules of thumbs with their smaller diameter stand offs. Generally you
want 2.0 to 1.5 times the diameter of material surrounding the hole that
is cut into the part. This gives the part an adequate and increased
factor of safety.

Now, onto aluminum. Aluminum can be used for conversion brackets (we use
in some of our brackets), but you have to pay very close attention to the
forces and cycles these brackets go for. Aluminum does not have what's
called an "infinite fatigue life" like steel does.

What that simply means is that if you take a piece of aluminum and just
push on it, release, push on it again, release and keep doing this for
many thousands of times (like what you'll be doing to the conversion
brackets when you depress the brake pedal in your car...this is called
"cyclic loads") the aluminum is work hardened. As it is work hardened
it's material properties change and the bracket becomes more brittle. If
the aluminum bracket isn't designed, sized and/or the grade of the alloy
chosen correctly, the aluminum will eventually fail if enough cycles are
placed on the brackets. Now, steel does work harden as well, but
eventually it's "infinite fatigue life" comes into play and the steel does
not get any weaker. You still have to plan accordingly and design for the
weakest the steel is going to get with the number of cycles that is
anticipated though.

Now, you can use aluminum safely and design for a certain number of
cycles, but unless you plan accordingly and actually have stress/strain
real world data to back your FEA work up, I would consider the work a shot
in the dark. That's not saying it can't be done, but it is something to
consider asking before you buy brackets from anyone. You might be
surprised by the answers you get.

I'm sure this has made your head turn to goo, and I could type more (lack
of generous radius on the UMI brackets causing stress concentration
factors come to mind at the moment), but I won't bore you with more
engineer talk. I hope I answered at least some of your questions, but I'm
sure this has only developed more that you're wanting to ask. So, feel
free to ask away. I'll be checking my e-mail this weekend.

By the way, I've added some pictures that show some customers' conversions
over the years.

Take care.

Engr. Vel.
- Joe"

jimmyducati

iTrader: (3)

either he is one hell of a salesman, or the brackets are just plain ole good quality. "reverse engineer" dosent mean copy,, it means they start with a product that is already in existance (zo6 caliper) and make it fit something else instead of designing a whole new caliper. just becouse there not a sponser here dosent mean there product isnt quality, and maybe its not that these brackets are really cheap as much as the other companys are over charging for there products.

02TransAm/Batmobile

iTrader: (32)

I also think that part of the reason why UMI Performance's bracket is more expensive is because it is a one-piece design. That calls for a "waste" (for lack of a better word) of product material. EngineeredVelocity's brackets are a 2-piece, (well 3 actually) design. The caliper mounting holes are MIG Welded to the plate.

It's kind of like guitars. The neck-thru guitars are more expensive than the bolted neck guitars. Make a whole guitar out of one piece of wood. That's alot of wasted wood there!

jimmyducati

iTrader: (3)

very good point. as long as the welds are quality with the engineered velocity brackets, i dont think strength would be compromised though,, so when i do it im using there brackets.

ae13291

iTrader: (8)

how much are the lg brackets

02TransAm/Batmobile

iTrader: (32)

Around 200 plus.

gun5l1ng3r

Which brackets were the ones where the spindle did not need to be trimmed?

02TransAm/Batmobile

iTrader: (32)

LG Motorsports doesn't need trimming of the spindles. But because of this, the Caliper is relocated at an awkward location. The caliper is relocated on the rotor at a 5 o'clock position instead of the 2:30 position.