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Quick brake question (C5/LSx Conversion)

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Old 03-04-2009, 11:37 PM
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I know the kore3 ones are custom made for this specific application though.
You just have to talk to them about it.
Old 03-04-2009, 11:47 PM
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Originally Posted by EchoMirage
question to anyone else whose done this: what lines, exactly have you used during the swap. i had LS1 braided lines that were too short.....i bought C5 lines off ebay which are about 6in too long. which braided lines, EXACTLY, have you used that fit??
I used the stock LT1 lines and modified the position of the brake line bracket on the K member to make it reach.

Re'
Old 03-11-2009, 06:25 PM
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Just so everyone knows. LS1 Calipers and C5 abutment brackets work together. The pins, pin bolts, and abutment shims all work for this application.
I had to get new pins though. One of mine was stuck in the LS1 abutment.
Old 03-11-2009, 07:07 PM
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Sorry, to butt in , but will this work on my 95 Lt1 and where are ya'll buying the C5 calipers from. Just found out today that I need to replace my calipers and would like to upgrade.I like doing track days.But, I really don't want to spend 1000$ bucks either.
thanks Lee
Old 03-11-2009, 07:15 PM
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It does work for the LT1... I can get whatever you need...

C5 Front Rotors and F-Body adapter kit $350

C5 Calipers PAIR $200 ($80 core charge for each caliper though unless you send me F-Body calipers as core)

Rear F-Body Rotors (to match C5s) $100

Break Pads $100

Stainless Steel Lines $150

Total $1060 + shipping. Obviously you don't need to buy all of that now, just listing it for others as well...
Old 03-12-2009, 07:54 AM
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Originally Posted by lee33lyn
Sorry, to butt in , but will this work on my 95 Lt1 and where are ya'll buying the C5 calipers from. Just found out today that I need to replace my calipers and would like to upgrade.I like doing track days.But, I really don't want to spend 1000$ bucks either.
thanks Lee
a simple cheap upgrade is just to get better pads. you dont 'need' to do a C5 swap just for track days. youd be amazed at what just a fluid and pad change will do for braking.
Old 03-12-2009, 09:50 AM
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Also the alternative to C5 would be to get the 98-02 series brakes for now since you 'need' to get new calipers. The swap normally runs 150 without rotors, and 180-210 with. Then you can upgrade later to bigger rotors/ calipers.
Old 03-12-2009, 11:02 AM
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Originally Posted by greendrazil
Also the alternative to C5 would be to get the 98-02 series brakes for now since you 'need' to get new calipers. The swap normally runs 150 without rotors, and 180-210 with. Then you can upgrade later to bigger rotors/ calipers.
Or later just keep the calipers you have and use the brackets to put on bigger rotors...

How much of a difference is there really in going from stock F-Body LS1 calipers with brackets and Vetter rotors over the C5 calipers? Anyone?
Old 03-12-2009, 02:55 PM
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Well, 6LE, I was wondering the same thing. Besides casting differences that make the C5 ones a little more heat resistant, idk.
I sold my C5 calipers to fund the rest of the parts. I just used the f-body calipers.
Old 03-12-2009, 08:26 PM
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its not just the caliper. its the size of the pad that the C5 caliper takes. thats the whole reason to swap, increased rotor AND pad size. plus there is a bigger variety of C5 race pads then there are LS1 pads.

if youre not doing any actual racing, ie: autox/track day/wheel to wheel, then stick with LS1 gear and upgraded pads.
Old 03-12-2009, 08:51 PM
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Originally Posted by EchoMirage
its not just the caliper. its the size of the pad that the C5 caliper takes. thats the whole reason to swap, increased rotor AND pad size. plus there is a bigger variety of C5 race pads then there are LS1 pads.

if youre not doing any actual racing, ie: autox/track day/wheel to wheel, then stick with LS1 gear and upgraded pads.
I agree with most of that however you do see a benefit from just brackets and C5 rotors... Very simple lever physics (further out means same pressure results in more force).
Old 03-13-2009, 08:41 AM
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how much bigger actually is the c5 rotor?
Old 03-13-2009, 09:11 AM
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nevermind i see its 1inch larger
Old 03-13-2009, 10:14 AM
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[QUOTE=6LITEREATER;11224217]It does work for the LT1... I can get whatever you need...

Your bracket DOES NOT bolt to the LT1 spindle.

The C5 rotor is 12.8 "
Old 03-14-2009, 09:17 PM
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[QUOTE=76LS1BIRD;11235217]
Originally Posted by 6LITEREATER
It does work for the LT1... I can get whatever you need...

Your bracket DOES NOT bolt to the LT1 spindle.

The C5 rotor is 12.8 "
I stand corrected. Any pics of the LT1 spindle? I thought I saw where a person used a similar bracket but cut off part of the spindle...
Old 03-16-2009, 03:33 PM
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Which front SS flexible brake lines are longer, LT1 lines or LS1 lines? Was there an answer given?

The C5 lines are too long correct?
Old 03-16-2009, 06:19 PM
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Let me call a friend right now...
Old 03-16-2009, 10:17 PM
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Originally Posted by equandt
Which front SS flexible brake lines are longer, LT1 lines or LS1 lines? Was there an answer given?

The C5 lines are too long correct?
if the ebay lines i bought were direct replacement for C5 lines, then they are about 5in too long. i have mine zip tied to the tie rod to take up slack.
Old 03-16-2009, 10:25 PM
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I HAVE AN OFFICIAL ANSWER... LT1 lines ARE 5/6" LONGER than LS1 lines

Now, these are the lines from MY supplier. I can not speak for factory or other vendors. The ones from me are 5/6" LONGER than LS1 lines...
Old 03-17-2009, 07:46 AM
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I could measure them sometime this week... I didn't when I had my car apart putting on my parts.


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