<html><head><style type="text/css"><!-- DIV {margin:0px;} --></style></head><body><div style="font-size: 13px;color: rgb(0, 0, 0);font-family: arial, sans-serif;"><div>Dave,</div><div><br></div><div>I had hesitation or blip on a stock motor when accelerating on to the freeway occasionally around the same point every time. It would not leave you stranded but would make you wonder. It turned out to be the stacked inlet and outlet valves in the fuel pump. It took a long time for me to figure it out. It was not electrical.</div><div><br></div><div>Regards,</div><div><br></div><div>Robert<br></div><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: dave via 6pack <6pack@autox.team.net>
<br>Sent: Dec 29, 2019 10:06 PM
<br>To: 'Yahoo via 6pack' <6pack@autox.team.net>
<br>Subject: Re: [6pack] My posts
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</o:shapelayout></xml><![endif]--><div class="WordSection1"><p class="MsoNormal">Your posts about mods got my son and I talking about what we have done to our 72 TR6. He very successfully autocrosses it. I gave up autocrossing it because I was not successful! Our motto is “we drive it, we break it, we fix it.” We are about to replace the stock fuel pump with an electric one; he’s getting some hesitation on the track.<o:p></o:p></p><p class="MsoNormal"><o:p> </o:p></p><p class="MsoNormal">Here is a list of mods:<o:p></o:p></p><p class="MsoNormal"><o:p> </o:p></p><p class="MsoNormal">triple ZS carbs GP* manifold<o:p></o:p></p><p class="MsoNormal">GP2 mild cam<o:p></o:p></p><p class="MsoNormal">lightened flywheel<o:p></o:p></p><p class="MsoNormal">polished, ported, shaved head<o:p></o:p></p><p class="MsoNormal">rocker arm platforms<o:p></o:p></p><p class="MsoNormal">.030 over pistons<o:p></o:p></p><p class="MsoNormal">decked gblock<o:p></o:p></p><p class="MsoNormal">electronic ignition<o:p></o:p></p><p class="MsoNormal">curved distributor, disabled vacuum advance<o:p></o:p></p><p class="MsoNormal">billet aluminum water pump<o:p></o:p></p><p class="MsoNormal">aluminum water pump casing<o:p></o:p></p><p class="MsoNormal">electric fan<o:p></o:p></p><p class="MsoNormal">aluminum fan extension<o:p></o:p></p><p class="MsoNormal">oil scraper<o:p></o:p></p><p class="MsoNormal">aluminum valve cover<o:p></o:p></p><p class="MsoNormal">stainless steel radiator shroud<o:p></o:p></p><p class="MsoNormal"><o:p> </o:p></p><p class="MsoNormal">upgraded front brake pads<o:p></o:p></p><p class="MsoNormal">upgraded rear brake cylinders<o:p></o:p></p><p class="MsoNormal">Q45 limited slip differential<o:p></o:p></p><p class="MsoNormal">aftermarket horns<o:p></o:p></p><p class="MsoNormal">7" konig rewind wheels<o:p></o:p></p><p class="MsoNormal">¼” wheel spacers all around<o:p></o:p></p><p class="MsoNormal">wider, stickier tires (205/50ZR15 Extra Load Ultra High Performance Sport)<o:p></o:p></p><p class="MsoNormal"><o:p> </o:p></p><p class="MsoNormal">GP lowered stiffer front springs<o:p></o:p></p><p class="MsoNormal">heavy duty lever arm rear shocks<o:p></o:p></p><p class="MsoNormal">GP heavy duty front sway bar<o:p></o:p></p><p class="MsoNormal">GP rear sway bar<o:p></o:p></p><p class="MsoNormal">GP adjustable camber rear trailing arm mounts<o:p></o:p></p><p class="MsoNormal"><o:p> </o:p></p><p class="MsoNormal"><o:p> </o:p></p><p class="MsoNormal"><o:p> </o:p></p><p class="MsoNormal">*GoodParts<o:p></o:p></p><p class="MsoNormal"><o:p> </o:p></p><div><div style="border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in"><p class="MsoNormal"><b>From:</b> 6pack <6pack-bounces@autox.team.net> <b>On Behalf Of </b>Gene Holtzclaw via 6pack<br><b>Sent:</b> Sunday, December 29, 2019 1:07 PM<br><b>To:</b> Greg Lemon <grglmn@gmail.com><br><b>Cc:</b> TR6 <6pack@autox.team.net><br><b>Subject:</b> Re: [6pack] My posts<o:p></o:p></p></div></div><p class="MsoNormal"><o:p> </o:p></p><div><p class="MsoNormal"><span style="font-family:"Arial",sans-serif;color:black">I would like to know more about such a head. Lanky assured me that 8000 reliable RPM was very achievable in the 70s when Bob was racing the TR6. It was the 6350 RPM harmonic imbalance of having only 4 main bearings that brought about crank failure. He stated that they would spend 5k in the 70s on a billet crank, and it could still be counted on to fail before or after the huge counterweight. He said 10 laps, or 100, at some point, the crankshaft was most always the culprit.<o:p></o:p></span></p></div><div><p class="MsoNormal"><span style="font-family:"Arial",sans-serif;color:black">However, given forced induction, he didn't feel that the cast head would be a problem. I wish I would have talked more about porting, but I was focused on the crankshaft and main bearing. Of course, the sanctioning body would have never allowed a 5th main bearing, so it was never a consideration. He told me that they even ran stock rods. Shot peening, sizing, and balance was about all the stock rods needed to survive. I haven't purchased any rods, but am certainly open to opinions on the subject. <o:p></o:p></span></p></div><div><p class="MsoNormal"><span style="font-family:"Arial",sans-serif;color:black">I have never been a budget kinda guy. I was raised by a father that always taught that wanting something yet only complaining about how you couldn't afford it, was nothing but whining. <o:p></o:p></span></p></div><div><p class="MsoNormal" style="margin-bottom:12.0pt"><span style="font-family:"Arial",sans-serif;color:black">I guess that thought process made me a entrepreneur. I've seen good times as well as bad. I refuse to wholly dismiss my wants, desires and passions in lieu of a safety net for retirement. I may get hit by a flying pig today, and find out on the other side of wherever our spirit goes that I should have enjoyed the day before pigs learned to fly. Carpe Diem.<o:p></o:p></span></p></div><div><div><p class="MsoNormal"><span style="font-family:"Arial",sans-serif;color:black">Get <a target="_blank" href="https://aka.ms/ghei36">Outlook for Android</a><o:p></o:p></span></p></div><p class="MsoNormal"><span style="font-family:"Arial",sans-serif;color:black"><o:p> </o:p></span></p></div><div class="MsoNormal" style="text-align:center" align="center"><hr width="98%" size="2" align="center"></div><br></div></blockquote><div id="elnk_signature_1577698461059" style="font-weight: normal; font-style: normal; text-decoration: none; font-size: 10pt; font-family: arial,sans-serif; color: black;"><pre></pre></div><br><br></div></body></html>