HD12 Front Brake Kit - Page 4 - Chevy Impala SS Forum
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post #31 of 41 (permalink) Old 04-22-2015, 01:40 PM
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Iíve been in touch with Bill and decided itís time to pull the trigger on this HD12 kit. Up to now, the stock rotors with upgraded pads and fluid have done ok on smaller tracks that donít tax the heat capacity of the rotors. But now, wanting to run at tracks like NCM and Mid-Ohio with multiple straightaways and big braking zones, itís time for an upgrade. And we all know I canít give up the drag racing, so this kit will still let me run the 15Ē skinnies up front.

I donít know when he was planning to announce this, but I wanted to pass along the word that Bill said heís offering 10% off on the rotor kit between now and ISSCA Nationals, ÖÖÖand heís making a contribution to ISSCA of $25 for each kit purchased between now and Nationals.

So, if anybody has been contemplating a brake upgrade, now would be the time! - for some savings to yourself and benefitting OUR ISSCA

Stock bottom 350, Built by B-Body Performance
NA: 10.98 @ 122
100 shot: 10.35 @ 128
2012 ISSCA SSuperPro Champion
2013 ISSCA SSuperNatural Champion
2013 ISSCA Roadrace Runner-up
2014 ISSCA SSuperNatural Runner-up
2014 ISSCA Autocross Runner-up
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post #32 of 41 (permalink) Old 04-22-2015, 06:45 PM
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Thanks Pat,

I bought both my sets at ISSCA Nats. Love my HD12 kit on the car now, and cant wait to finalize my second set with Bill

Fish- ISSCA #2478
96 BBB Impala SS-it has some work done.
My SS Build Thread
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post #33 of 41 (permalink) Old 04-24-2015, 03:18 PM
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Thumbs up

Quote:
Originally Posted by The Bolt-On Terror View Post
I’ve been in touch with Bill and decided it’s time to pull the trigger on this HD12 kit. Up to now, the stock rotors with upgraded pads and fluid have done ok on smaller tracks that don’t tax the heat capacity of the rotors. But now, wanting to run at tracks like NCM and Mid-Ohio with multiple straightaways and big braking zones, it’s time for an upgrade. And we all know I can’t give up the drag racing, so this kit will still let me run the 15” skinnies up front.

I don’t know when he was planning to announce this, but I wanted to pass along the word that Bill said he’s offering 10% off on the rotor kit between now and ISSCA Nationals, ………and he’s making a contribution to ISSCA of $25 for each kit purchased between now and Nationals.

So, if anybody has been contemplating a brake upgrade, now would be the time! - for some savings to yourself and benefitting OUR ISSCA
Also, another good thing is you will shed about 5 pounds on each wheel with the new hubs. Estimate from Nab when he installed them on my 9C1.

ISSCA #2305
ECIRS #222
WAIL

95 9C1:
12.32 @ 109, ESE 357, LE2 heads, LE 224/230
12.86 @ 105, Reman 355, Z28 heads, CC 502, CPT 3, Edge 3400, 4.10, PCM4Less
96 SS:
11.74 @ 117, ERE 383, LE2 heads, AI 234/242, CPT 3, Yank 3600, 3.73, PCM4Less
12.28 @ 110, Golen 383, LE2 heads, CC 503, CPT 3, Yank 3600, 3.73, PCM4Less
13.07 @ 101, Rebuilt LT1, LE2 heads, Crane 227, CPT 3, Yank 3600, 3.73, PCM4Less
14.11 @ 95, Stock LT1, Edge 3000, 3.73, PCM4Less
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post #34 of 41 (permalink) Old 04-24-2015, 04:48 PM
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Quote:
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Also, another good thing is you will shed about 5 pounds on each wheel with the new hubs. Estimate from Nab when he installed them on my 9C1.
Bonus!
I was expecting it to be a wash with the thicker rotors.
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post #35 of 41 (permalink) Old 07-13-2015, 02:37 PM
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Feedback

After a good dry outing at the NCM track yesterday, I'm impressed with this kit.
The track has at least 3 hard braking zones, and through a 30 minute session, the brakes held up so well that my tires (Nitto Proxes RA1) were always the limiting factor in the braking zones.
The heat management, more heatsink capacity with the thicker rotors plus better more open cooling vanes within the rotors, is a marked improvement over stock.
I'm running Hawk HPS pads and ATE fluid.
Also, replacing the stock lines with these: http://www.ebay.com/itm/Techna-Fit-Stainless-Steel-Braided-Brake-Lines-1994-1996-Chevrolet-Impala-SS-/381026843192?hash=item58b6f83a38&vxp=mtr
helped give it an excellent solid pedal feel.

Stock bottom 350, Built by B-Body Performance
NA: 10.98 @ 122
100 shot: 10.35 @ 128
2012 ISSCA SSuperPro Champion
2013 ISSCA SSuperNatural Champion
2013 ISSCA Roadrace Runner-up
2014 ISSCA SSuperNatural Runner-up
2014 ISSCA Autocross Runner-up
2015 ISSCA Roadrace Champion
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post #36 of 41 (permalink) Old 09-02-2015, 01:03 PM Thread Starter
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in case you missed it

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I'm extending the ISSCA Nationals HD12 & brake upgrades special through Labor Day.

I won't be able to deliver kits during August due to other commitments, but I'll be happy to put you on a list and honor the pricing offer if you're interested.
A final reminder - just in case anyone missed the previous announcements!

Quote:
Originally Posted by Navy Lifer View Post
For the past couple of years I've provided an HD12 front brake rotor kit for ISSCA to auction off to raise money to cover event costs. At the expense of Chris Fish, who managed to snag both kits by out-bidding everyone else both years in Charlotte, ISSCA took in some nice extra loot.

This year, I'm offering a 10% discount on the base HD12 kit, normally $525.00 - each brake kit I assemble has a degree of "custom build" involved, so the offer will be contingent on a 50% deposit for your brake order by the conclusion of Nationals.

Please contact me by PM or e-mail to inov8r@windstream.net - for more details, including the sedan or wagon rear kits.[/COLOR][/B]
Thanks!

Bill Harper
ISSCA #127
inov8r@windstream.net
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post #37 of 41 (permalink) Old 03-19-2017, 12:26 AM
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post #38 of 41 (permalink) Old 06-14-2017, 08:51 AM Thread Starter
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Heads-Up for HD12 owners and prospective owners

For current and future HD12 front brake users, I wanted to let you know a couple of things.

1. For those using/choosing slotted rotors, the inventory is nearly depleted--two (2) pair of replacement rotor rings, in the 6x6 "wiper slot" configuration, remain available. There will be no more.

2. There are still plenty of "plain" rotor rings available.

3. I do plan to attend ISSCA Nationals in Indianapolis next month, and will be able to bring replacement rings for anyone who may need/want spares, with no added shipping cost.

Pricing for replacement rotor rings:


Left/Right, directional-vane, includes new lock nuts & washers

a. PLAIN $195 per pair

b. 6x6 Wiper Slot $235 per pair (two pair only--first come, first served)

For delivery, if not attending Nationals, a flat $20 shipping charge applies, for a pair of rings.

Please contact me by e-mail (below) if you desire to order replacement rotor rings or a complete HD12 kit.

Bill Harper
ISSCA #127
inov8r@windstream.net
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post #39 of 41 (permalink) Old 06-17-2017, 12:25 AM
TGO
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This is something that's concerned me as of late. What are we to do in the future if we need new rotors?
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post #40 of 41 (permalink) Old 06-17-2017, 01:20 AM Thread Starter
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Fair question--the demand for replacement HD12 rotor rings has been VERY low over the years. The current situation is only to make owners and others interested aware that the slotted option will not be available once the 2 sets are gone.

I can only encourage those with HD12 to consider getting a spare set if there's a concern about future availability and plans to continue using the system.

I don't intend to leave anyone high & dry. Worst case would be that an HD12 setup would easily convert to a big brake system for reduced cost, since the hubs are the same.

Bill Harper
ISSCA #127
inov8r@windstream.net
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