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Re: [Fot] Race Car Brake Calipers

To: grandwazoo@earthlink.net, sjanzen@me.com, biznzman@pacbell.net
Subject: Re: [Fot] Race Car Brake Calipers
From: fubog1 <fubog1@aol.com>
Date: Wed, 2 Dec 2015 07:31:08 -0500
Cc: fot@autox.team.net
Delivered-to: mharc@autox.team.net
Delivered-to: fot@autox.team.net
References: <9270052.1449010642013.JavaMail.root@elwamui-ovcar.atl.sa.earthlink.net>
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This...
g.

 


You are working on this problem too hard.  Or.....as once advised by an old, 
successful pro racer "more throttle, less brake"


The real issue to worry about is rear axles, front spindles and front and rear 
hubs.  Modern tires are the villain here, not brakes.  Actually, modern tires 
make the brake issue smaller.


 

 

 

-----Original Message-----
From: Mike Jackson <grandwazoo@earthlink.net>
To: Scott Janzen <sjanzen@me.com>; STEPHEN BOROWSKI <biznzman@pacbell.net>
Cc: FOT List <fot@autox.team.net>
Sent: Tue, Dec 1, 2015 6:37 pm
Subject: Re: [Fot] Race Car Brake Calipers



I had planned on staying out of this but my fingers have over ruled my brain....


My poor old TR3 has NEVER faded a brake at any race anywhere!  That includes an 
amazing bumper to bumper race with an ex IMSA, 6cyl Vitesse at Road America at 
a previous TR reunion.  I led him twice and we finished with a separation of a 
few inches.  There was no other 4 cyl Triumph within sight.  Similarly at 
tracks as brutal on brakes as Sebring at the 12 hr support race.  Ran it many 
times.  NO FADE, even at the old hairpin config.


You are working on this problem too hard.  Or.....as once advised by an old, 
successful pro racer "more throttle, less brake"


The real issue to worry about is rear axles, front spindles and front and rear 
hubs.  Modern tires are the villain here, not brakes.  Actually, modern tires 
make the brake issue smaller.


Mike Jackson


-----Original Message-----
From: Scott Janzen 
Sent: Dec 1, 2015 2:59 PM
To: STEPHEN BOROWSKI 
Cc: FOT List 
Subject: Re: [Fot] Race Car Brake Calipers

Brakes are definitely a limiting factor in many vintage cars.  One of the 
things that keep them vintage.  The rules for the three clubs below essentially 
say - calipers of the same size and number of pistons, rotors ditto.


SVRA says - 3. Alternate rotors and drums of the same diameter and thickness 
are permitted. Rotors may bedrilled or grooved.
4. Alternate calipers or wheel cylinders must be of the same material, design 
and number of pistonsas the original component. There must be no increase in 
the frictional surface of the pads or shoes 
                
VRG  - Brakes must be the original type (disc, drum), size, and design as 
supplied by the manufacturer, or listed option, for the model.  Updating from 
drum to disc will result in reclassification if eligibility timeline (e.g. 
1960) is crossed.  Lining and pad materials are free.  Rotors may be drilled or 
grooved, but must be same diameter, thickness, and material as originally 
supplied.  Modern aftermarket calipers are not permitted.  
VDCA - Braking systems must be of the same type as standard for the year of 
manufacture or as homologated by the original manufacturer for that year.  
Updating or backdating is not allowed.
1.       Aftermarket brake calipers are prohibited



On Dec 1, 2015, at 2:24 PM, STEPHEN BOROWSKI wrote:




Hello All,
I am starting the selection for front brakes on my TR4 racer. Naturally the old 
stock ones are out. Are the Toyota four piston calipers good enough? They are 
less expensive and easy to get, with disks and assorted pads. Which after 
market models work well and bolt wright in? Which disks work the best and last? 
10 inch, 10.5 inch -- bigger or smaller?
All comments are welcome!
 
Thank You,
Steve & Matthew
Florida TR4 Racing

_______________________________________________
fot@autox.team.net

http://www.fot-racing.com

Archive: http://www.team.net/archive







_______________________________________________
fot@autox.team.net

http://www.fot-racing.com

Archive: http://www.team.net/archive




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g.<br>
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</div>



<div style="font-family:arial,helvetica;font-size:10pt;color:black"><blockquote 
style="border-left: 2px solid blue; padding-left: 3px;">

<div>You are working on this problem too hard. &nbsp;Or.....as once advised by 
an old, successful pro racer "more throttle, less brake"</div>



<div><br>

</div>



<div>The real issue to worry about is rear axles, front spindles and front and 
rear hubs. &nbsp;Modern tires are the villain here, not brakes. &nbsp;Actually, 
modern tires make the brake issue smaller.</div>



<div></div>

</blockquote></div>



<div> <br>

</div>



<div> <br>

</div>



<div> <br>

</div>



<div 
style="font-family:arial,helvetica;font-size:10pt;color:black">-----Original 
Message-----<br>

From: Mike Jackson &lt;grandwazoo@earthlink.net&gt;<br>

To: Scott Janzen &lt;sjanzen@me.com&gt;; STEPHEN BOROWSKI 
&lt;biznzman@pacbell.net&gt;<br>

Cc: FOT List &lt;fot@autox.team.net&gt;<br>

Sent: Tue, Dec 1, 2015 6:37 pm<br>

Subject: Re: [Fot] Race Car Brake Calipers<br>

<br>




<div id="AOLMsgPart_1_5e23cd5b-d708-4a67-92ce-568bdd54ca0c">
<style type="text/css" 
scoped="">#AOLMsgPart_1_5e23cd5b-d708-4a67-92ce-568bdd54ca0c td{color: black;}  
.aolReplacedBody DIV {margin:0px;} </style>

<div class="aolReplacedBody">

<div style="font-size: 16px;color: rgb(0, 0, 0);font-family: arial, 
sans-serif;">I had planned on staying out of this but my fingers have over 
ruled my brain....

<div><br>

</div>



<div>My poor old TR3 has NEVER faded a brake at any race anywhere! &nbsp;That 
includes an amazing bumper to bumper race with an ex IMSA, 6cyl Vitesse at Road 
America at a previous TR reunion. &nbsp;I led him twice and we finished with a 
separation of a few inches. &nbsp;There was no other 4 cyl Triumph within 
sight. &nbsp;Similarly at tracks as brutal on brakes as Sebring at the 12 hr 
support race. &nbsp;Ran it many times. &nbsp;NO FADE, even at the old hairpin 
config.</div>



<div><br>

</div>



<div>You are working on this problem too hard. &nbsp;Or.....as once advised by 
an old, successful pro racer "more throttle, less brake"</div>



<div><br>

</div>



<div>The real issue to worry about is rear axles, front spindles and front and 
rear hubs. &nbsp;Modern tires are the villain here, not brakes. &nbsp;Actually, 
modern tires make the brake issue smaller.</div>



<div><br>

</div>



<div>Mike Jackson<br>

<br>

<blockquote style="padding-left: 5px; margin-left: 0px; border-left: #0000ff 
2px solid; font-weight: normal; font-style: normal; text-decoration: none; 
font-size: 10pt; font-family: arial,sans-serif; color: black;">-----Original 
Message-----
<br>

From: Scott Janzen 
<br>

Sent: Dec 1, 2015 2:59 PM
<br>

To: STEPHEN BOROWSKI 
<br>

Cc: FOT List 
<br>

Subject: Re: [Fot] Race Car Brake Calipers

<br>

<br>

Brakes are definitely a limiting factor in many vintage cars. &nbsp;One of the 
things that keep them vintage. &nbsp;The rules for the three clubs below 
essentially say - calipers of the same size and number of pistons, rotors ditto.

<div><br>

</div>



<div>SVRA says -&nbsp;<span class="Apple-style-span" style="font-family: Arial; 
font-size: 12px; ">3. Alternate rotors and drums of the same diameter and 
thickness are permitted. Rotors may be
drilled or grooved.</span>

<div class="column">

<div><span style="font-size: 9.000000pt; font-family: 'Arial'">4. Alternate 
calipers or wheel cylinders must be of the same material, design and number of 
pistons
as the original component. There must be no increase in the frictional surface 
of the pads or shoes&nbsp;</span></div>


                </div>



<div><span style="font-size: 9.000000pt; font-family: 'Arial'">VRG 
&nbsp;-&nbsp;</span><span class="Apple-style-span" style="color: rgb(36, 93, 
63); font-family: Arial, Helvetica, sans-serif; font-size: 14px; line-height: 
18px; ">Brakes must be the original type (disc, drum), size, and design as 
supplied by the manufacturer, or listed option, for the model.&nbsp; Updating 
from drum to disc will result in reclassification if eligibility timeline (e.g. 
1960) is crossed.&nbsp; Lining and pad materials are free.&nbsp; Rotors may be 
drilled or grooved, but must be same diameter, thickness, and material as 
originally supplied.&nbsp; Modern aftermarket calipers are not permitted. 
&nbsp;</span></div>



<div>VDCA -&nbsp;<span class="Apple-style-span" style="color: rgb(153, 51, 0); 
font-family: Geneva; ">Braking systems must be of the same type as standard for 
the year of manufacture or as homologated by the original manufacturer for that 
year.&nbsp; Updating or backdating is not allowed.</span></div>



<div class="MsoNormal" style="color: rgb(0, 0, 0); font-family: georgia, 'Times 
New Roman', Times; font-size: medium; font-style: normal; font-variant: normal; 
font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 
auto; text-align: start; text-transform: none; white-space: normal; widows: 
auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: 
rgb(255, 255, 204); text-indent: -20pt; margin-left: 38pt;"><font 
color="#993300"><span style="font-family: Geneva;">1.<span style="font-style: 
normal; font-variant: normal; font-weight: normal; font-size: 7pt; line-height: 
normal; font-family: 'Times New 
Roman';">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span>Aftermarket brake 
calipers are prohibited</span></font></div>



<div><br>

</div>



<div>

<div>On Dec 1, 2015, at 2:24 PM, STEPHEN BOROWSKI wrote:</div>

<br class="Apple-interchange-newline">

<div>

<div style="color:#000; background-color:#fff; font-family:HelveticaNeue, 
Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:12px">

<div id="yui_3_16_0_1_1448996838782_3858"><br>

Hello All,</div>



<div id="yui_3_16_0_1_1448996838782_3890">I am starting the selection for front 
brakes on my TR4 racer. Naturally the old stock ones are out.&nbsp;Are the 
Toyota four piston calipers good enough? They are less expensive and easy to 
get, with disks and assorted pads. Which after market models work well and bolt 
wright in? Which disks work the best and last? 10 inch, 10.5 inch -- bigger or 
smaller?</div>



<div id="yui_3_16_0_1_1448996838782_3989">All comments are welcome!</div>



<div id="yui_3_16_0_1_1448996838782_3990">&nbsp;</div>



<div id="yui_3_16_0_1_1448996838782_3991">Thank You,</div>



<div id="yui_3_16_0_1_1448996838782_3992">Steve &amp; Matthew</div>



<div id="yui_3_16_0_1_1448996838782_3993">Florida TR4 Racing</div>

</div>

</div>

_______________________________________________<br>

<a target="_blank" href="mailto:fot@autox.team.net";>fot@autox.team.net</a><br>

<br>

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target="_blank">http://www.fot-racing.com</a><br>

<br>


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target="_blank">http://www.team.net/archive</a><br>

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<br>

<br>

</div>

<br>

</div>

</blockquote></div>

</div>


</div>


</div>


_______________________________________________<br>

<a href="mailto:fot@autox.team.net";>fot@autox.team.net</a><br>

<br>

<a href="http://www.fot-racing.com"; 
target="_blank">http://www.fot-racing.com</a><br>

<br>


Archive: <a href="http://www.team.net/archive"; 
target="_blank">http://www.team.net/archive</a><br>

Forums: <a href="http://www.team.net/forums"; 
target="_blank">http://www.team.net/forums</a><br>


<br>

<br>

</div>

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_______________________________________________
fot@autox.team.net

http://www.fot-racing.com

Archive: http://www.team.net/archive



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