<div style="color:black;font: 10pt arial;">Having had my slave unit fail at Sebring - a 2 1/2 day drive from home - I'm taking the advice of my crew chief and going to rebuild the slave at least once per year.<br>
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<div style="font-family:helvetica,arial;font-size:10pt;color:black">-----Original Message-----<br>
From: tr4racing <tr4racing@googlemail.com><br>
To: vfracing <vfracing@aol.com>; tr4racing <tr4racing@googlemail.com>; sjanzen <sjanzen@me.com>; fot <fot@autox.team.net><br>
Sent: Thu, Apr 2, 2020 8:58 am<br>
Subject: AW: [Fot] Main Cap Fasteners and Clutches - 1300<br>
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<div class="yiv6942379707MsoNormal"><span lang="DE">Phil,</span></div>
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<div class="yiv6942379707MsoNormal">pretty smart engineerd to have 3 rings in use.</div>
<div class="yiv6942379707MsoNormal">I think mine has only one and had been used on a Volvo car.</div>
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<div class="yiv6942379707MsoNormal">DOT4 is more aggressive than DOT3. But maybe Quatermaster sells something even less aggressive?</div>
<div class="yiv6942379707MsoNormal">But from time to time, the seals in my hydraulic are getting soft from the fluids.</div>
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<div class="yiv6942379707MsoNormal">Cheers</div>
<div class="yiv6942379707MsoNormal">Chris</div>
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<div class="yiv6942379707MsoNormal"><b><span lang="DE">Von:</span></b><span lang="DE"> vfracing@aol.com <vfracing@aol.com> <br clear="none"><b>Gesendet:</b> Donnerstag, 2. April 2020 14:38<br clear="none"><b>An:</b> tr4racing@googlemail.com; sjanzen@me.com; fot@autox.team.net<br clear="none"><b>Betreff:</b> Re: [Fot] Main Cap Fasteners and Clutches - 1300</span></div>
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<div class="yiv6942379707MsoNormal"><span style="font-size:10.0pt;font-family:sans-serif;color:black;">Good point, Chris; </span></div>
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<div class="yiv6942379707MsoNormal"><span style="font-size:10.0pt;font-family:sans-serif;color:black;">On the 721, there are 3 o-rings. Two seal the hydraulic fluid and, as you point out, are in contact with that on one side and whatever is in the bell housing on the other side. The third is between the transmission snout and the concentric slave body. It sees only what is in the bell housing. The two that were in contact with hydraulic fluid were swollen and rubbery, whereas the third was not, suggesting that the brake fluid is at fault. On the other hand, I have no idea if the o-rings are all the same type of rubber or not.</span></div>
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<div class="yiv6942379707MsoNormal"><span style="font-size:10.0pt;font-family:sans-serif;color:black;">Pending clarification from Irv, I am going with the Quartermaster fluid, the 721 slave, and the Girling (now TRW) master cylinder.</span></div>
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<div class="yiv6942379707MsoNormal" style="margin-bottom:12.0pt;"><span style="font-size:10.0pt;font-family:sans-serif;color:black;">Phil<br clear="none"><br clear="none"></span></div>
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<div class="yiv6942379707MsoNormal" style="margin-bottom:12.0pt;"><span style="font-size:10.0pt;font-family:sans-serif;color:black;">-----Original Message-----<br clear="none">From: tr4racing <<a rel="noopener noreferrer" shape="rect" ymailto="mailto:tr4racing@googlemail.com" target="_blank" href="mailto:tr4racing@googlemail.com">tr4racing@googlemail.com</a>><br clear="none">To: 'Phil Gott' <<a rel="noopener noreferrer" shape="rect" ymailto="mailto:vfracing@aol.com" target="_blank" href="mailto:vfracing@aol.com">vfracing@aol.com</a>>; 'Scott Janzen' <<a rel="noopener noreferrer" shape="rect" ymailto="mailto:sjanzen@me.com" target="_blank" href="mailto:sjanzen@me.com">sjanzen@me.com</a>>; fot@autox. team. net <<a rel="noopener noreferrer" shape="rect" ymailto="mailto:fot@autox.team.net" target="_blank" href="mailto:fot@autox.team.net">fot@autox.team.net</a>><br clear="none">Sent: Thu, Apr 2, 2020 8:30 am<br clear="none">Subject: AW: [Fot] Main Cap Fasteners and Clutches - 1300</span></div>
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<div class="yiv6942379707MsoNormal"><span style="font-size:10.0pt;font-family:sans-serif;color:black;">The thing with concentric slaves sitting in the bell housing is often, that they get also oil from leaking engines or leaking gearboxes.</span></div>
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<div class="yiv6942379707MsoNormal"><span style="font-size:10.0pt;font-family:sans-serif;color:black;">Most slaves die from getting in contact with oil, rarely than with brake fluid.</span></div>
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<div class="yiv6942379707MsoNormal"><span style="font-size:10.0pt;font-family:sans-serif;color:black;">Cheers</span></div>
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<div class="yiv6942379707MsoNormal"><b><span lang="DE" style="font-size:10.0pt;font-family:sans-serif;color:black;">Von:</span></b><span lang="DE" style="font-size:10.0pt;font-family:sans-serif;color:black;"> Fot <<a rel="noopener noreferrer" shape="rect" ymailto="mailto:fot-bounces@autox.team.net" target="_blank" href="mailto:fot-bounces@autox.team.net">fot-bounces@autox.team.net</a>> <b>Im Auftrag von </b>Phil Gott via Fot<br clear="none"><b>Gesendet:</b> Donnerstag, 2. April 2020 13:44<br clear="none"><b>An:</b> Scott Janzen <<a rel="noopener noreferrer" shape="rect" ymailto="mailto:sjanzen@me.com" target="_blank" href="mailto:sjanzen@me.com">sjanzen@me.com</a>><br clear="none"><b>Cc:</b> 'Friends of Triumph' Triumph <<a rel="noopener noreferrer" shape="rect" ymailto="mailto:fot@autox.team.net" target="_blank" href="mailto:fot@autox.team.net">fot@autox.team.net</a>><br clear="none"><b>Betreff:</b> Re: [Fot] Main Cap Fasteners and Clutches - 1300</span><span style="font-size:10.0pt;font-family:sans-serif;color:black;"></span></div>
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<div class="yiv6942379707MsoNormal"><span style="font-size:10.0pt;font-family:sans-serif;color:black;">To add to what Jim said: if you go the Quartermaster route, use the Quartermaster hydraulic fluid. They say any DOT 3 or 4 fluid will work, but it ain’t so. Some brake fluids will attack the rubber in the Quartermaster slave cylinder (see photo). I have compared the Quartermaster fluid with regular DOT 3 and 4 fluid and can tell you it is a BUNCH slipperier. The slave works much more smoothly.</span></div>
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<div class="yiv6942379707MsoNormal"><span style="font-size:10.0pt;font-family:sans-serif;color:black;"><img id="yiv6942379707_x005f_x0000_i1025" border="0" width="2016" height="1512" style="width:21.0in;min-height:15.75in;" src="cid:AOLP.595474c1-c647-4696-b820-41d78abe58f3"><br clear="none">BTW this is a Quartermaster 721 series concentric slave and throwout bearing.</span></div>
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<div class="yiv6942379707MsoNormal"><span style="font-size:10.0pt;font-family:sans-serif;color:black;">Phil Gott</span></div>
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<div class="yiv6942379707MsoNormal"><span style="font-size:10.0pt;font-family:sans-serif;color:black;">Sent from my iPhone</span></div>
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<div class="yiv6942379707MsoNormal"><span style="font-size:10.0pt;font-family:sans-serif;color:black;">On Apr 1, 2020, at 9:42 PM, Scott Janzen via Fot <<a rel="noopener noreferrer" shape="rect" ymailto="mailto:fot@autox.team.net" target="_blank" href="mailto:fot@autox.team.net">fot@autox.team.net</a>> wrote:</span></div>
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<div class="yiv6942379707MsoNormal"><span style="font-size:10.0pt;font-family:sans-serif;color:black;"></span><span style="font-size:10.0pt;font-family:sans-serif;color:black;">I can tell you the size for the GT6 bits, if they are the same. </span></div>
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<div class="yiv6942379707MsoNormal"><span style="font-size:10.0pt;font-family:sans-serif;color:black;">Studs are 7/16” x3-1/2” overall length, 20TPI. </span></div>
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<div class="yiv6942379707MsoNormal"><span style="font-size:10.0pt;font-family:sans-serif;color:black;">My ARP box is marked 206-5404 Triumph TR7 main stud kit.</span></div>
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<div class="yiv6942379707MsoNormal"><span style="font-size:10.0pt;font-family:sans-serif;color:black;">On Apr 1, 2020, at 7:58 PM, Brad Eells via Fot <<a rel="noopener noreferrer" shape="rect" ymailto="mailto:fot@autox.team.net" target="_blank" href="mailto:fot@autox.team.net">fot@autox.team.net</a>> wrote:</span></div>
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<div class="yiv6942379707MsoNormal"><span style="font-size:10.0pt;font-family:sans-serif;color:black;">Hello Amici,</span></div>
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<div class="yiv6942379707MsoNormal"><span style="font-size:10.0pt;font-family:sans-serif;color:black;">Thinking aloud here as I have time on my hands. A couple of questions:</span></div>
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<div class="yiv6942379707MsoNormal"><span style="font-size:10.0pt;font-family:sans-serif;color:black;">1. Main cap fasteners - ARP does not make a main stud kit for the Spifire 1300 and does not list their studs by size either. If you have an ARP stud and nut set up, how did you order it? They have readily available a 7/16"x3" bolt for direct replacement of the OEM bolt.</span></div>
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<div class="yiv6942379707MsoNormal"><span style="font-size:10.0pt;font-family:sans-serif;color:black;">2. Clutches - the vintage set up in my engines are a lightened factory flywheel, coming up just under 13 lbs with ring gear and a Borg & Beck clutch disc and plate. I've run 3 race weekends with the clutch that has been in the car for 43 years, so far without issue. I'm thinking I would like to stick with the flywheel I have with a good clutch solution. </span></div>
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<div class="yiv6942379707MsoNormal"><span style="font-size:10.0pt;font-family:sans-serif;color:black;">I know this one is a bit of a can of worms but have at it with your valued thoughts. I'm looking for simple and reliable. I am not nearly as smart as the aeronautical engineer that built the car.</span></div>
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<div class="yiv6942379707MsoNormal"><span style="font-size:10.0pt;font-family:sans-serif;color:black;">I hope you are all safe and well...</span></div>
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<div class="yiv6942379707MsoNormal"><span style="font-size:10.0pt;font-family:sans-serif;color:black;">Brad</span></div>
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<div class="yiv6942379707MsoNormal"><b><span style="font-size:9.5pt;font-family:sans-serif;color:black;">Brad Eells</span></b><span style="font-size:10.0pt;font-family:sans-serif;color:black;"></span></div>
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<div class="yiv6942379707MsoNormal"><b><span style="font-size:9.5pt;font-family:sans-serif;color:black;">Chino CA</span></b><span style="font-size:10.0pt;font-family:sans-serif;color:black;"></span></div>
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<div class="yiv6942379707MsoNormal"><b><span style="font-size:9.5pt;font-family:sans-serif;color:black;">#72 FP 1969 Triumph Spitfire Mk3</span></b><span style="font-size:10.0pt;font-family:sans-serif;color:black;"></span></div>
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<div class="yiv6942379707MsoNormal"><b><span style="font-size:9.5pt;font-family:sans-serif;color:black;">1965 Triumph TR4A IRS...for the road!</span></b><span style="font-size:10.0pt;font-family:sans-serif;color:black;"></span></div>
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