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Discussion Starter · #1 ·
New rotor recommendations?

As I have started to tinker with everything else, rotors are next. I drive my car reasonably hard and will take it to the track twice this summer.<p>Recommendations? Experiences?<p>Do people switch out their pads just for track use? Recommendations? Thanks! <br>
 

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Re: New rotors (jroux)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD><i>Quote, originally posted by <b>jroux</b> »</i></TD></TR><TR><TD CLASS="quote">As I have started to tinker with everything else, rotors are next. I drive my car reasonably hard and will take it to the track twice this summer.<p>Recommendations? Experiences?<p>Do people switch out their pads just for track use? Recommendations? Thanks! </TD></TR></TABLE><p>I ran on Nurburgring 14 laps over 7 trips last year and did just fine with stock brakes. <p>I think the stock brakes with Titanium Shims and Stainless Steel brake lines from Takspeed (to keep the calipers grey and improve feel) are just fine for the track... I swapped to Hawk HPS for low dust, but they aren't working out for me on the street or on the track... YMMV<p><A HREF="http://forums.swedespeed.com/zerothread?id=57648" TARGET="_blank">http://forums.swedespeed.com/zerothread?id=57648</A><p>Evolve has front and rear slotted rotors (some people had issues with back rotors, specifically making parking brake work). Evolves slotted rotors make a slight "whirring" noise, some people like it (I don't). <p>ViVA Performance just started selling slotted front rotors, reportedly even lighter than Evolve's.<p>Most recently, KVB posted about these...<p><A HREF="http://forums.swedespeed.com/zerothread?id=56491" TARGET="_blank">http://forums.swedespeed.com/zerothread?id=56491</A>
 

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Discussion Starter · #3 ·
Re: New rotors ("R" Kelly)

Great info -- do you have install instructions on the shims? Also, what is your opinion on wheel spacers?
 

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Re: New rotor recommendations? (jroux)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD><i>Quote, originally posted by <b>jroux</b> »</i></TD></TR><TR><TD CLASS="quote">Do people switch out their pads just for track use? Recommendations? Thanks! </TD></TR></TABLE><p>Depends on the track and your braking style. If you are someone that threshold brakes, from >100 mph a lot on the track, you'll heat things up. The shims will help as will removing the front backing plates. If you run with DSTC On you'll overheat the backs and posibly dmage the rear rotors.<p>
 

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Re: New rotor recommendations? (jroux)

I agree with "R" Kelly about the stock rotors ... they seem quite adequate. They are also the first OEM rotors I have seen that have an anti corrosion coating on them ... mine are holding up pretty well so far. I had taken to ceramic painting my exposed rotorareas silver prior to installation, but it looks like the standard R ones will suffice ... I'll let you know after a Michigan winter <IMG NAME="icon" SRC="http://www.vwvortex.com/vwbb/biggrin.gif" BORDER="0"> .<p>I think when I replace mine, I will probably have a place I know cross-drill a set of OEMs for me. I have worked with a place in the land of the Caraibou (a distant relative of our beloved Moose <IMG NAME="icon" SRC="http://www.vwvortex.com/vwbb/wink.gif" BORDER="0"> ), in Canada called KVR performance.<p>I like talking to thier techs on the phone ... these guys KNOW thier brakes ... apparently there isn't much else going on up there <IMG NAME="icon" SRC="http://www.vwvortex.com/vwbb/biggrin.gif" BORDER="0"> ( Saw you were in MN, so you are pretty close ).<p><A HREF="http://www.kvrperformance.com/store/" TARGET="_blank">http://www.kvrperformance.com/store/</A>
 

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Re: New rotor recommendations? (jroux)

I think the consensus is the stock brakes are fine for street and track. The biggest reason to change to slotted or cross drilled is cosmetic. They look pretty.
 

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Re: New rotor recommendations? (RhaRdeR)

I agree ... mostly a cosmetic change, but the R has such pretty brakes to start with <IMG NAME="icon" SRC="http://www.vwvortex.com/vwbb/wink.gif" BORDER="0"> .<p>... and since nobody posted it in this thread yet, here's the gratuitous Porterfield plug everone knows I am going to post <IMG NAME="icon" SRC="http://www.vwvortex.com/vwbb/tongue.gif" BORDER="0"> . Best pads I have used, street or strip:<p><A HREF="http://www.porterfield-brakes.com/" TARGET="_blank">http://www.porterfield-brakes.com/</A><p>George at Viva Performance will hook you up:<p><A HREF="http://www.vivaperformance.com/catalog/" TARGET="_blank">http://www.vivaperformance.com/catalog/</A>
 

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Re: New rotor recommendations? (jroux)

After developing threshold braking skills, I cooked my stock calipers. They permanantly turn a golden brown with a red R. Effect is more than cosmetic. Seals on the pistons bacame brittle and cracked, precipating a caliper rebuild. On 2nd seal failure I have replaced the calipers.<p><IMG SRC="http://a5.cpimg.com/image/81/D2/57550465-7331-02000180-.jpg" BORDER="0"><p>Two piece front rotors, Ti shims, SS lines, track pads (replaced with street pads the next day) and removal of the backing plate are what I recommend for repeated track use (every 2-3 weeks I used to get a "track-attack" <IMG NAME="icon" SRC="http://www.vwvortex.com/vwbb/rolleyes.gif" BORDER="0"> ). If you can add a scoop to bring more air past the front rotors, even better.<br>For me, most tracks were less than two miles with lots of turns and 115mph straights with the R. Some were about 3 mi with 125mph straights in the R. Most end the straights with sharp corners.<br>If you do just a couple events per year on relative long tracks without corners that require you to shed 80mph in a short distance, or that have long cooldown distances between hard braking corners, stock set up will be ok.<br>Got to say (like I always do) that as much as I love going fast, stopping fast is more critical. <br><BR><BR>
<i>Modified by SleepR at 6:46 PM 4-29-2006</i>
 

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Re: New rotor recommendations? (SleepR)

Jeff what was your best top speed on the back straight at Watkins Glen? I figure you set the bar, I hope to match it next Saturday. <IMG NAME="icon" SRC="http://www.vwvortex.com/vwbb/biggrin.gif" BORDER="0">
 

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Re: New rotor recommendations? (SleepR)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD><i>Quote, originally posted by <b>SleepR</b> »</i></TD></TR><TR><TD CLASS="quote">After developing threshold braking skills, I cooked my stock calipers. They permanantly turn a golden brown with a red R. Effect is more than cosmetic. Seals on the pistons bacame brittle and cracked, precipating a caliper rebuild. On 2nd seal failure I have replaced the calipers.<p><IMG SRC="http://a5.cpimg.com/image/81/D2/57550465-7331-02000180-.jpg" BORDER="0"><br></TD></TR></TABLE><p>Wow, I thought my monitor had lost the color balance there. Those problems occured <b>before</b> you installed the shims, right? Any signs of that kind of overheating afterwards? (I hope not!)<p>We're running a sale on those now, $62/axle down from $82. Nearly sold out of current batch, but a new batch are going off to the waterjet next week... <A HREF="http://www.takspeed.com/store/product_info.php?products_id=49" TARGET="_blank">http://www.takspeed.com/store/...id=49</A><br>
 

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Re: New rotor recommendations? (RhaRdeR)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD><i>Quote, originally posted by <b>RhaRdeR</b> »</i></TD></TR><TR><TD CLASS="quote">Jeff what was your best top speed on the back straight at Watkins Glen? I figure you set the bar, I hope to match it next Saturday. <IMG NAME="icon" SRC="http://www.vwvortex.com/vwbb/biggrin.gif" BORDER="0"> </TD></TR></TABLE><br>My top is about 127 @ WG, 135 at Pocono.<br>Jim Lill might have achieved a higher top speed.<br>It is on the uphill of the back straight and coming up out of the toe of the boot that I consistently run out of power and start thinking about chip tuning.<br>BTW, best lap time is not necessarily determined by top speed on the back straight...
 

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Re: New rotor recommendations? (vizwiz)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD><i>Quote, originally posted by <b>vizwiz</b> »</i></TD></TR><TR><TD CLASS="quote"><br>Those problems occured <b>before</b> you installed the shims, right? Any signs of that kind of overheating afterwards? (I hope not!)<br></TD></TR></TABLE><p>Put the shims on the new calipers - which are still grey. I plan to keep them that way.<br>Shims alone may not be able to prevent the overheating of the calipers, though I believe they are an important component of a comprehensive strategy for improved and cooler braking.
 

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Re: New rotor recommendations? (Helmut Ranff)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD><i>Quote, originally posted by <b>Helmut Ranff</b> »</i></TD></TR><TR><TD CLASS="quote">Brake cooling ducts make a lot of temp decrease</TD></TR></TABLE><p>Easier said than done on a streetable R. Removal of backing plates the first step
 

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My combination of SS brake lines, Ti shims, PFC97 pads, Motul RBC 600, and stock rotors serve me well. Over 13 tracks days and my front calipers only have a slight golden sheen with the R still white. The golden sheen appeared only recently after swapping to the PFC97 pads as that has allowed me to brake much later at higher speeds.
 

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Re: New rotor recommendations? (JimLill)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD><i>Quote, originally posted by <b>JimLill</b> »</i></TD></TR><TR><TD CLASS="quote"><p>Easier said than done on a streetable R. Removal of backing plates the first step</TD></TR></TABLE><p>Forgive my ignorance, but what is the function of the stock backing plates? Is it just to protect dust from flying inward?<p>I think I see Kelly's next mod.....Home grown brake duct kit!
 

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Re: New rotor recommendations? (JimLill)

Replace the backing plate with a "duct backing plate"<p><A HREF="http://imageshack.us" TARGET="_blank"><IMG SRC="http://img134.imageshack.us/img134/9374/brakeductingplate1og.jpg" BORDER="0"></A>
 

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Discussion Starter · #18 ·
Re: New rotor recommendations? (Helmut Ranff)

I'm not afraid to display my ignorance: what is the backing plate and what is it intended purpose? Do you remove it only for track use and then put it back on for street?
 

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Discussion Starter · #19 ·
Re: New rotor recommendations? (vizwiz)

Vizwiz - Sounds like you are the Takspeed guys -- I just ordered a whole bunch of stuff from you you guys, including said ti shims. Great documentation with everything, except installation details on those. It may be obvious to the mechanically inclined, however, I am not one of those dudes. <p>Can you help?<p>Thank you!
 

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Re: New rotor recommendations? (jroux)

The purpose of the backing plate is mostly for driving in the rain it keeps a lot of water off the braking system and protects against grime and dirt getting in there
 
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