<div dir="ltr"><div><div>  I've crewed for three roadsters, two 1600s in SCCA G PROD and one 2000 racing the vintage circuit.  All ran with stock brakes, but with racing pads up front.  They all seemed to stop just fine!<br><br></div>Paul<br></div>Ohio<br></div><div class="gmail_extra"><br><div class="gmail_quote">On Tue, Sep 8, 2015 at 12:14 AM, Gary and Cindy Ault via Datsun-roadsters <span dir="ltr"><<a href="mailto:datsun-roadsters@autox.team.net" target="_blank">datsun-roadsters@autox.team.net</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div style="color:#000;background-color:#fff;font-family:Courier New,courier,monaco,monospace,sans-serif;font-size:16px"><div dir="ltr"><span>I have found that stock roadster brakes, properly set up and adjusted, work just fine in non-racing applications.  I have both early (1966) and later (1967-1/2) cars.  I have had the '66 1600 with a U20 motor in it for over 40 years.</span></div><div dir="ltr"><span><br></span></div><div dir="ltr"><span>Gary</span></div><br>  <div style="font-family:Courier New,courier,monaco,monospace,sans-serif;font-size:16px"> <div style="font-family:HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif;font-size:16px"> <div dir="ltr"> <hr size="1">  <font face="Arial" size="2"> <b><span style="font-weight:bold">From:</span></b> philip erickson via Datsun-roadsters <<a href="mailto:datsun-roadsters@autox.team.net" target="_blank">datsun-roadsters@autox.team.net</a>><br> <b><span style="font-weight:bold">To:</span></b> "<a href="mailto:datsun-roadsters@autox.team.net" target="_blank">datsun-roadsters@autox.team.net</a>" <<a href="mailto:datsun-roadsters@autox.team.net" target="_blank">datsun-roadsters@autox.team.net</a>> <br> <b><span style="font-weight:bold">Sent:</span></b> Tuesday, September 1, 2015 10:39 PM<br> <b><span style="font-weight:bold">Subject:</span></b> [Roadsters] Brakes  Phil Erickson<br> </font> </div> <div><br><div><div><div style="color:#000;background-color:#fff;font-family:verdana,helvetica,sans-serif;font-size:16px"><div dir="ltr">  I tried to send this, but from the wrong email.....so I think it got cut.</div><div dir="ltr"><br></div><div dir="ltr">It's very difficult to guess on the braking response of a wheel cylinder size change on a disc / drum set-up.<br>The
 response / braking torque to pressure is Linear with disc brakes and 
squared or even cubed with drum brakes.  Best to use a proportioning 
valve on the rear to limit braking torque.<br>A proportioning valve is 
miss named as it changes the pressure response to pedal travel - which 
flattens the torque response of the drum brake.</div><div dir="ltr"><br></div><div dir="ltr">Phil</div></div></div></div><br>________________________________________<br><br><a href="mailto:datsun-roadsters@autox.team.net" target="_blank">datsun-roadsters@autox.team.net</a><br><br>Donate: <a href="http://www.team.net/donate.html" target="_blank">http://www.team.net/donate.html</a><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>Unsubscribe: <a href="http://autox.team.net/mailman/options/datsun-roadsters/aultgc@att.net" target="_blank">http://autox.team.net/mailman/options/datsun-roadsters/aultgc@att.net</a><br><br><br><br><br></div> </div> </div>  </div></div><br>________________________________________<br>
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