944Hybrids: 924/944/968 and 928 V8 Conversions
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HOW TO DO AN ADVANCED SEARCH.

Mon Jul 08, 2013 3:56 pm by Admin


For the benefit of 944Hybrids users there are two search functions available for you to use.
The purpose of this sticky is to explain the "Advanced Search" function because it is much more powerful and is the best choice when researching information.

When you log on to the site a list of options is shown in a line at the top of the page. One option is labelled "Search", use this option (NOT the search box lower down on the right).

After you click on the upper search option, a drop down box appears. At the bottom of this box is a radio button marked "Advanced …

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Wilwood 6-piston on 330mm Cayenne Rotors

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Wilwood 6-piston on 330mm Cayenne Rotors Empty Wilwood 6-piston on 330mm Cayenne Rotors

Post  xschop on Wed Dec 11, 2013 12:18 pm

Sent the first CNC'd set to Tim for testing. These are for LATE 951 spindles with 94mm spindle/caliper bolt centers.
While it's fresh on my mind, these use the factory spindle/caliper M12x 1.5 bolts and you'll need 4ea 7/16-14 x 2.50" bolts with short shoulders (less than 1" under head)....

Wilwood 6-piston on 330mm Cayenne Rotors Integra6Piston-951spindles2_zps01e4ca7d

Wilwood 6-piston on 330mm Cayenne Rotors Integra6Piston-951spindles1_zps09f8e916

Wilwood 6-piston on 330mm Cayenne Rotors WP_000173

Wilwood 6-piston on 330mm Cayenne Rotors WP_000172


Last edited by xschop on Wed Jan 22, 2014 10:29 am; edited 1 time in total
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Post  Lemming on Wed Dec 11, 2013 12:22 pm

Thanks Rob, can't wait to try out the new brakes this weekend.  I'll get some pics as well as give my opinion early next week.

These brakes will be paired with normal turbo rears. According to wilwood, 3/4 MCs on both ends should work well.
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Post  zeusrotty on Wed Dec 11, 2013 1:21 pm

Those are massive. I can't believe you got those that cheap.  They look like they came off of a nascar.

And now I see how you got them. I am very interested in seeing how those work out. That would be a kick ass setup.

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Post  drive135mph on Wed Dec 11, 2013 4:01 pm

good fruit, better buckle in

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Post  Lemming on Wed Dec 11, 2013 4:11 pm

That photo makes them look big!  There are very close in size to TurboS front calipers.  The wilwoods are thinner but wider, which allows them to use such wide pads.  Below is a pic of them mocked up on my car with 330 mm Cayenne rotors (Stoptech).
Wilwood 6-piston on 330mm Cayenne Rotors 2013-12-09%2018.08.21

Compare with TurboS

Wilwood 6-piston on 330mm Cayenne Rotors Integra%206r


Last edited by Lemming on Wed Dec 11, 2013 4:40 pm; edited 1 time in total
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Post  xschop on Wed Dec 11, 2013 4:21 pm

Did you get your dual mc's re-shielded so you can factor those out in overheating. They could also use a front shield as well although the majority of heat comes from the side header.
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Post  Lemming on Wed Dec 11, 2013 4:37 pm

I'm going to wrap the MCs in fiber blanket  cyclops 
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Post  xschop on Wed Dec 11, 2013 4:45 pm

Yeah just like the Reynolds a390 crapasil in the 944/928 blocks, the Porsche caliper's cast alloys heat cycle to distortion where the pistons gaul and start locking up. Rebuilding them is a neccesary and painful ritual that results in yet the same crappy caliper.
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Post  Lemming on Wed Dec 11, 2013 4:50 pm

xschop wrote:Yeah just like the Reynolds a390 crapasil in the 944/928 blocks, the Porsche caliper's cast alloys heat cycle to distortion where the pistons gaul and start locking up. Rebuilding them is a neccesary and painful ritual that results in yet the same crappy caliper.

Quit being so hard on the Porsche parts, I need to sell them  What a Face 
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Post  xschop on Wed Dec 11, 2013 4:53 pm

Sorry, there's always Rennlist to fall back on where everything with a Porsche sticker is gold. Very Happy 
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Post  xschop on Thu Dec 12, 2013 10:10 am

Tim, what wheels are you running? I see you have spacers there. Those Integras can fit under 993 16" wheels with 10mm spacers and 322mm GTS rotors. Problem is the GTS rotors have the gold Porsche sticker and $400-500 /set.  Don't forget the Cayenne centering rings have a 1-sided I.D. chamfer that faces towards the hub.
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Post  Lemming on Thu Dec 12, 2013 6:06 pm

17" cups. My mock up suggests that they will work without spacers on those wheels, but will not work without spacers my BBS 10 spoke wheels. I run the spacers to equalize my front and back track width.
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Post  948 on Fri Dec 13, 2013 12:30 pm

Rob,
What material are you using for the adapters?
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Post  xschop on Fri Dec 13, 2013 1:38 pm

7075-T6
The locating spuds are incorporated into the base unlike the original ones I made for a local guy.
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Post  zeusrotty on Fri Dec 13, 2013 2:00 pm

Soooooo.... Are they on the car? How are they doing? I can't see how they wouldn't be a good caliper. XSHOP... How much did you want for a set of the adapters?

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Post  xschop on Fri Dec 13, 2013 2:10 pm

Last time I heard from him this summer, he was happy with them. Im not a track junkie, but considering he went thru two different sets of caliper upgrades and said they were much better than the Blacks and Reds at getting rid of the heat and not fading, I got myself a set too.

I was planning on adapting them to the stronger 87NA spindles, but Tim asked so I started these first (951 spindles).... These require wasting more of the stock material to build. Im making a few more sets and will probably price them at $250 shipped US-48 with the required Cayenne centering rings. The local guy Scott says the ATE brand Cayenne rotors are the best for the track. I got a set of those too for myself. Very Happy

Don't forget I designed the rear matching Wilwood radial Dynapro adapters. Ill be making a batch of those next....

https://944hybrids.forumotion.com/t1595-wilwood-rear-300mm-kit?highlight=wilwood
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Post  Lemming on Fri Dec 13, 2013 3:30 pm

zeusrotty wrote:Soooooo.... Are they on the car? How are they doing?  I can't see how they wouldn't be a good caliper.  XSHOP... How much did you want for a set of the adapters?

Waiting for FEDEX to arrive to mount them, then the car goes on the trailer and to Barber Motorsports for a weekend testing.
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Post  Lemming on Fri Dec 13, 2013 3:43 pm

xschop wrote: The local guy Scott says the ATE brand Cayenne rotors are the best for the track. I got a set of those too for myself. Very Happy

Do you know if he tried the Stoptech Powerslots? They are only $5 more/rotor, that's what I went with.
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Post  xschop on Fri Dec 13, 2013 3:49 pm

No, he was running GTS rotors and Big Black pads and they were eating up his budget. The 911 track guys are using the Cayenne rotors too cause they last and are less than the GT3 stuff.
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Post  Lemming on Mon Dec 16, 2013 8:28 am

Kind of a cluster this weekend, not with the brakes but with teaching the beginner DE classroom, giving check rides, and misc, it did not leave me with much room for testing.

Saturday was 40 and raining, not really the weather that one wants to test a new brake setup on the track. So instead of heading for the track, I went up to upper paddock to bed in brakes (new rotors and pads), as well as to set the front/rear balance. Once bedding was achieved and they brakes cooled, I was able to effectively balance the car using my DMC setup.

Sunday. I was done with my classroom teaching at 11am, so the plan was to test the brakes on track at 1pm. I usually like to go out and run with my group 1 students to see how they are doing, so thought I would kill two birds with one stone. On the out lap, the brakes felt really good, but of course they were cold and I was not pushing it (air temp we 37oF and cloudy, but dry). Coming on to the front straight the rear end of the car lurched hard to the right, I assumed that something broke and quickly realized that my right rear tire was flat  pale  Unfortunately, I did not take any spare wheels and tires to the track with me, so my day was done  Embarassed 

Some further information. I did go up one size on my front master cylinder, so I am running 3/4 F, 3/4 rear masters (regular turbo calipers in rear). I was able to get good balance after adjusting the DMC. The limited stops I was able to perform were impressive and I'm anxious to see what they will do at speed.

Rob's caliper adapters and centering rings fit perfectly, Thanks Rob!



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Post  money pit 951 on Fri Jan 03, 2014 7:16 am

Tim -
What pads are your running in the Wilwoods and how do they compare for price to the black's pad offerings? I'm currently enjoying the performance friction pads now, but don't know the wilwood selection
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Post  Lemming on Fri Jan 03, 2014 8:37 am

Right now I've got a set of Wilwood Polymatrix A's installed. They are very aggressive, inline the DTC 70/60's. Here are some pad exchange numbers for the integra's

Pad interchange: Wilwood 9828; PFC 7775, Hawk 221, Raybestos R561.28


The new pads are $100 more than for the Turbo S pads but are twice the thickness. Also, lot's of pads available on Ebay for less then $100 from the NASCAR teams.
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Post  xschop on Fri Jan 03, 2014 1:32 pm

Over the weekend I designed another adapter that mounts these Integras to a GTS (322x32) rotor. It is a beefier adapter and NO centering rings needed. So they'll be $175 shipped US-48 priority.

Thanks to Tim for doing the test mock-up for these. I hope to get the new material today and start machining adapters this weekend for the Cayenne rotors that are more than double the strength. Very Happy

Wilwood 6-piston on 330mm Cayenne Rotors GTS-Cayenne-951_zps0eb014c3
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Post  xschop on Fri Jan 03, 2014 3:43 pm

Check ebay for these.They must be the Integra 6R's (180mm radial mount), not the Lug (axial)mount Integras. I just bought another set a few wks ago... gotta love BIN Very Happy 

http://wilwood.com/Calipers/CaliperProd.aspx?itemno=120-5690-FS
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Post  xschop on Mon Jan 06, 2014 3:03 pm

Ok. I have 1 last set of these until a couple weeks when I can make a larger run of them. These are redone from 6061 T6 with 3x the material around the bolt-thrus and can take over 1000 deg. according to ASTM. I'm leaving the extra material (0.250" at the bottom) so I can redrill them on-the-fly to fit the 87-up NA spindles which are less expensive and more common..... Again, Thanks, to Tim for the mock-up.

Wilwood 6-piston on 330mm Cayenne Rotors Integra951Cayenne330Nukeproof_zpsa70dd8ec
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