Complete upgrade for 95 SS - Chevy Impala SS Forum
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post #1 of 20 (permalink) Old 05-30-2017, 08:46 AM Thread Starter
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Complete upgrade for 95 SS

I've decided to upgrade the brakes on my SS once the transmission is rebuilt as I am looking forward to attending track events here;

Club Motorsports

I've read through the sticky threads and dropped an email to Navy Lifer, but his posts were many years old. Was looking for feedback on the current kits that are out there. Looks like a front and rear kit from TCE would run ~$2700. Looked at Kore3, but I didn't like the Corvette calipers.

I also thought that I might be able to just invest in a complete front set, along with master cyl/valve etc and just get away with new pads on the existing rears? All depends on my budget, so if I can afford front and rear, I'll do it all at once.

Will maintence the whole rear axle while under there, but that's for another thread. =)
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post #2 of 20 (permalink) Old 05-30-2017, 08:50 AM
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First Hit

HD12 Front Brake Kit

There's bound to be more. It seems to have been bantered about enough. If doing an upgrade I'll just pull the trigger on this one.

\'96SS SOB: SSRI, Herter Tune, Tri-Y II, SLP SS, 3000 Edge, F/HO bars, METCO extendeds and CV MMC, Bilsteins, currently Vredestein Ultrac Sessanta (315/35 rear)
\'96FWB BUW-Butt Ugly White: SS Bars, METCO LCAs, Koni Reds, PowerTrax No-Slip
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post #3 of 20 (permalink) Old 05-30-2017, 10:44 AM Thread Starter
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Yes, I saw that one and was impressed with the thoroughness of the component selection for best bang for the buck. I already got a reply from Bill and am asking him if it's OK to post his email here in the thread for all to see ( I'm sure it's ok, but one should always ask before publicly post a private email for common courtesy ).

I want 2 options, the lowest cost - who cares about appearance - setup, versus the complete TCE Wilwood kit. The latter certainly has the wow factor, and I'm thinking my youngest son would really dig it for both the functionality and bling factor. My preference is to do both the front and rear in a weekend as my time is precious, and I don't have dedicated garage space to leave something torn apart for weeks on end.

EDIT - Response from Bill to my inquiry;

Rich, thanks for the inquiry....the offerings are still possible--the B-body/Impala SS ownership transition has reduced the number of kits I build, since the cost of some of these types of mods is more than the cars are considered to be worth, in many cases, and the focus of the majority of owners is not on track performance anyway--if someone does a brake "upgrade" it is more often for appearance rather than real benefit, sad to say.

For someone building a track-only car (I am assuming a road course situation), if I understand you, I would tend to recommend the TCE approach, or a few other possible options, none which will cost any less, and could cost much more.

For a "budget" system, there are several choices, including my C5/C6 Corvette rear setup (305mm or 330mm), which both will fit inside the OE 17" wheel, combined with a KORE3 C5/C6 front system, with rotors that are 325mm (fits SS wheel) or 340mm (will not fit SS wheel). The limiting factor is not rotor size, rather it's caliper "volume" (radial dimension), which interferes with or forces use of wheels greater than 17". The Corvette systems are floating calipers, where the Wilwood package is fixed-caliper configuration, and the lower caliper volume of this design can allow use of rotors as large as ~342mm inside 17" OE SS wheels.

The real driver in any option is what wheel size you will be using, as anything beyond 12" rotor diameter dictates a 17" wheel, minimum, but depending on how "serious" your track efforts will be, the Corvette-based option is what I would call a 90% solution--in other words, you get what you pay for--which is why the Wilwood option is more costly. Really superior brakes for a heavy car like a B-body sedan are even more, and since it's non-standard, it becomes custom, and pushes the price even higher, into the $4K+ range.

If you want to explore this further, let me know!

Last edited by ace72ace; 05-30-2017 at 04:50 PM. Reason: Include Navy Lifer email reply after getting the OK
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post #4 of 20 (permalink) Old 05-30-2017, 11:32 AM
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Quote:
Originally Posted by ace72ace View Post
...
I want 2 options, the lowest cost - who cares about appearance .....
A man after my own heart. It would appear then your direction is clear - turns the thread rather dead from this point. lol
The latter certainly has the wow factor, and I'm thinking my youngest son would really dig it for both the functionality and bling factor. ...

Yah, the added cost would certainly net some increased performance. But, the attached for your son. I used it on mine decades ago. If that don't bring him out of the bling, then yellow caliper paint and some decals on the HD12's eh.
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\'96SS SOB: SSRI, Herter Tune, Tri-Y II, SLP SS, 3000 Edge, F/HO bars, METCO extendeds and CV MMC, Bilsteins, currently Vredestein Ultrac Sessanta (315/35 rear)
\'96FWB BUW-Butt Ugly White: SS Bars, METCO LCAs, Koni Reds, PowerTrax No-Slip
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post #5 of 20 (permalink) Old 05-30-2017, 12:01 PM Thread Starter
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Hahaha, the stickers add 5hp!! My youngest son is remarkably mature for his age, and I honestly don't think he would care either way. Yeah a rattle can would work, and maybe some crossed Chevy flags, as long as it was small and not too gaudy. Getting a quote from Bill on his setup, so I can compare costs against the TCE front and rear kits. If I got the TCE route I'm thinking my costs will be around 3k adding in the required spindle mods, and misc supplies.
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post #6 of 20 (permalink) Old 05-30-2017, 12:03 PM Thread Starter
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Quote:
Originally Posted by 96 Black View Post
HD12 Front Brake Kit

There's bound to be more. It seems to have been bantered about enough. If doing an upgrade I'll just pull the trigger on this one.
FYI these links are dead, I will mention it to Bill in case someone wants to put the time to update the sticky thread.

CALIPER REQUIREMENTS
The HD12 Front Rotor Kit REQUIRES use of:
- Calipers from 93-96 Cadillac Fleetwood Brougham J55 heavy duty (wide caliper/wide rotor) brake system (limo & commercial chassis)
- See Q & A in next post for specific caliper PN information
- Brake pads meeting FMSI D614 (Impala SS spec) or FMSI D52
- Link to Wilwood GM III caliper - PN 120-5289
- Link to Wilwood GM D52 dual-piston caliper - PN 120-10936 - <<<NEW INFO, added 12/17/09
- Link to twin-piston caliper for HD12 and standard rotor fitments - MUST inform supplier of rotor width being used--for HD12, use WIDE version of this caliper
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post #7 of 20 (permalink) Old 05-30-2017, 12:14 PM
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Brake upgrade

If I may, what don't you like about the Corvette calipers in the Kore3 setup? I have 2 cars with the HD12 setup and I was considering the Kore3 Corvette system for an upgrade on a third car.

Ken Hennessy
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post #8 of 20 (permalink) Old 05-30-2017, 12:24 PM Thread Starter
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Just the word 'CORVETTE' stamped across the 'face' of the caliper, strictly appearance only preference, nothing at all to do with their cost or performance.
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post #9 of 20 (permalink) Old 05-30-2017, 06:02 PM
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Yah, and for us FWB types that is just a touch even more gaudy. On top of the HD12 I have to add into the mix those absolutely scrumptious Brembo calipers the guy did recently off of an ATS. -- real nice pale violet colored with Cadillac scripts no less. Tons more modification though compared to NL's relatively bolt-on setup.

\'96SS SOB: SSRI, Herter Tune, Tri-Y II, SLP SS, 3000 Edge, F/HO bars, METCO extendeds and CV MMC, Bilsteins, currently Vredestein Ultrac Sessanta (315/35 rear)
\'96FWB BUW-Butt Ugly White: SS Bars, METCO LCAs, Koni Reds, PowerTrax No-Slip
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post #10 of 20 (permalink) Old 05-30-2017, 11:45 PM
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Quote:
Originally Posted by ace72ace View Post
FYI these links are dead, I will mention it to Bill in case someone wants to put the time to update the sticky thread.

CALIPER REQUIREMENTS
The HD12 Front Rotor Kit REQUIRES use of:
- Calipers from 93-96 Cadillac Fleetwood Brougham J55 heavy duty (wide caliper/wide rotor) brake system (limo & commercial chassis)
- See Q & A in next post for specific caliper PN information
- Brake pads meeting FMSI D614 (Impala SS spec) or FMSI D52
- Link to Wilwood GM III caliper - PN 120-5289
- Link to Wilwood GM D52 dual-piston caliper - PN 120-10936 - <<<NEW INFO, added 12/17/09
- Link to twin-piston caliper for HD12 and standard rotor fitments - MUST inform supplier of rotor width being used--for HD12, use WIDE version of this caliper
Not practical/possible to edit older posts, so I can make this an update of the MIA info.

First, I would not "recommend" the GM III caliper unless the car is being built for drag racing, primarily--it's a really light weight design, and really not as durable in all-around use.

https://www.summitracing.com/search/...oview=SKU&ar=1

Wilwood calipers also present a bit of a plumbing challenge (GM III and D52) since they're not standard M10x1.0 thread for the banjo bolts.

D52 listing in Summit


There IS another possibility--a relatively new offering from Wilwood that can fit in place of any C5/C6 front twin-piston caliper--a 4-piston fixed design. So a "hybrid" option might be a KORE3 325mm or 340mm front rotor/hub package, with the Wilwood C5 calipers and proper brackets (from KORE3). Wilwood also offers a rear 4-piston fixed caliper that can be fitted to the rear upgrade kit I've been building for over 10 years that uses the single-piston floating caliper on 12" or 13" (Z51) rear rotors. I have not calculated any costs for this option, nor has fitment actually been verified.

https://www.summitracing.com/search/...oview=SKU&ar=1

Wilwood Disc Brakes - SLC56 Calipers


Quote:
Originally Posted by ace72ace View Post
Just the word 'CORVETTE' stamped across the 'face' of the caliper, strictly appearance only preference, nothing at all to do with their cost or performance.
In reality, the Corvette logo can be machined or ground off and the caliper re-painted or powdercoated. At one time, plain front calipers were actually available, but no longer, to my knowledge. The one thing I will say is use 2nd generation (C6) twin-piston front calipers--they're stiffer.

Bill Harper
ISSCA #127
inov8r@windstream.net

Last edited by Navy Lifer; 05-31-2017 at 08:26 AM.
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