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</o:shapelayout></xml><![endif]--></head><body bgcolor=white lang=EN-US link="#0563C1" vlink="#954F72"><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Comic Sans MS";color:#002060'>I had mine Jet-Hot coated in 1999, and also didn't see any significant effect on the engine temps. They surely looked a lot better than the old rusty manifolds and have held up really well over that time and about 80K miles. Some browning is beginning to show at the sharp edges, but I think I have got my money's worth out of Jet-Hot and if I ever have a reason to remove the manifolds I'll probably get them coated again.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Comic Sans MS";color:#002060'><o:p> </o:p></span></p><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Comic Sans MS";color:#002060'>I've never wrapped the downpipes. The new radiator core and the sleeved thermostat together have solved the engine heat problem, so I see no need to wrap them.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Comic Sans MS";color:#002060'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Comic Sans MS";color:#002060'>Steve Byers</span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#002060'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Comic Sans MS";color:#002060'>HBJ8L/36666</span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#002060'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Comic Sans MS";color:#002060'>BJ8 Registry</span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#002060'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Comic Sans MS";color:#002060'>AHCA Delegate at Large</span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#002060'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Comic Sans MS";color:#002060'>Havelock, NC </span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#002060'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#002060'><o:p> </o:p></span></p></div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Comic Sans MS";color:#002060'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext'> Healeys [mailto:healeys-bounces@autox.team.net] <b>On Behalf Of </b>Bob Spidell<br><b>Sent:</b> Monday, September 04, 2017 3:38 PM<br><b>To:</b> healeys@autox.team.net<br><b>Subject:</b> Re: [Healeys] BJ8 Temps<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p>FWIW, I just had the manifolds on my BJ8 Jet-Hot coated and haven't noticed much, if any, difference in running temps or other effects (I also wrapped my downpipes). YMMV.<o:p></o:p></p><p>Bob<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal>On 9/4/2017 10:05 AM, Al Fuller wrote:<o:p></o:p></p></div><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Roger:</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> </span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Have you considered coating the exhaust manifolds, so as to conduct the heat down the exhaust system, as opposed to allowing the manifolds to be their usual heat radiating selves?</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> </span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>I’m still thinking a winter project will be getting mine coated [Jet-Hot, etc.].</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> </span><o:p></o:p></p><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Al Fuller</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>al at bighealey dot org</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>'65 BJ-8</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>'85 Rx-7</span><o:p></o:p></p></div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> </span><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><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>From:</span></b><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'> Healeys [<a href="mailto:healeys-bounces@autox.team.net">mailto:healeys-bounces@autox.team.net</a>] <b>On Behalf Of </b>Roger Grace<br><b>Sent:</b> Monday, September 4, 2017 10:14 AM<br><b>To:</b> Healey List <a href="mailto:healeys@autox.team.net"><healeys@autox.team.net></a><br><b>Subject:</b> [Healeys] BJ8 Temps</span><o:p></o:p></p></div></div><p class=MsoNormal> <o:p></o:p></p><div><div><div><p class=MsoNormal><span style='font-family:"Comic Sans MS ;color:black","serif"'>My BJ8 seems to perform better with the increased O2 of lower</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-family:"Comic Sans MS ;color:black","serif"'>ambient temps in the evenings and mornings. There even seem to be fewer </span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-family:"Comic Sans MS ;color:black","serif"'>rattles squeaks and groans too !</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-family:"Comic Sans MS ;color:black","serif"'>I have an oil cooler, electric rad. fan oil temp gauge and standard rad.</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-family:"Comic Sans MS ;color:black","serif"'>Whenever I spend more than say 20 mins in traffic after the engine oil is</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-family:"Comic Sans MS ;color:black","serif"'>already up to temp, the idling is impacted due to what must be due to </span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-family:"Comic Sans MS ;color:black","serif"'>increased engine compartment air temp, and the HD8 mixture becoming too rich for that</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-family:"Comic Sans MS ;color:black","serif"'>ambient.</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-family:"Comic Sans MS ;color:black","serif"'>So I decided to do some crude testing, and installed a temp. pick up near</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-family:"Comic Sans MS ;color:black","serif"'>the rear carb intake.</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-family:"Comic Sans MS ;color:black","serif"'> </span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-family:"Comic Sans MS ;color:black","serif"'>In an ambient of around 85F and sustained cruising at around 60 MPH – elec.</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-family:"Comic Sans MS ;color:black","serif"'>rad fan off</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-family:"Comic Sans MS ;color:black","serif"'>Water is 190F</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-family:"Comic Sans MS ;color:black","serif"'>Oil is 165- 170F</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-family:"Comic Sans MS ;color:black","serif"'>Engine compartment is around 130F</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-family:"Comic Sans MS ;color:black","serif"'> </span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-family:"Comic Sans MS ;color:black","serif"'>At same ambient and elec. fan now on and after 25 mins idling in traffic</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-family:"Comic Sans MS ;color:black","serif"'>Water is 200F</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-family:"Comic Sans MS ;color:black","serif"'>Oil is 180 F</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-family:"Comic Sans MS ;color:black","serif"'>Engine compartment is over 155F and idling has to be nursed to avoid</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-family:"Comic Sans MS ;color:black","serif"'>stalling. This must be a build up of exhaust heat with no exit path.</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-family:"Comic Sans MS ;color:black","serif"'> </span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-family:"Comic Sans MS ;color:black","serif"'>Have tried to compromise with mixture settings but not yet found a sweet </span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-family:"Comic Sans MS ;color:black","serif"'>spot.</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-family:"Comic Sans MS ;color:black","serif"'>So l was wondering if anyone has tried to improve engine compartment venting </span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-family:"Comic Sans MS ;color:black","serif"'>and how ?</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-family:"Comic Sans MS ;color:black","serif"'>Assume this why some cars have louvers on hood or side of car.</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-family:"Comic Sans MS ;color:black","serif"'>Ideas comments welcome.</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-family:"Comic Sans MS ;color:black","serif"'> </span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-family:"Comic Sans MS ;color:black","serif"'>On a similar thread has anyone used the cold vent air to bring cooler air to </span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-family:"Comic Sans MS ;color:black","serif"'>the carb intake area when cruising ? Results ?</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-family:"Comic Sans MS ;color:black","serif"'> </span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-family:"Comic Sans MS ;color:black","serif"'>rg </span><o:p></o:p></p></div></div></div><p class=MsoNormal><o:p> </o:p></p></blockquote><p class=MsoNormal><o:p> </o:p></p><div id=DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2><p class=MsoNormal style='margin-bottom:12.0pt'><o:p> </o:p></p><div class=MsoNormal align=center style='text-align:center'><hr size=1 width="99%" noshade style='color:#909090' align=center></div><table class=MsoNormalTable border=0 cellspacing=0 cellpadding=0 style='border-collapse:collapse'><tr><td style='padding:0in 11.25pt 0in 6.0pt'><p class=MsoNormal><span style='border:solid windowtext 1.0pt;padding:0in'><a href="http://www.avg.com/internet-security"><span style='text-decoration:none'><img border=0 width=100 height=100 id="Picture_x0020_2" src="cid:~WRD348.jpg" alt="Image removed by sender. AVG logo"></span></a></span><o:p></o:p></p></td><td style='padding:.75pt .75pt .75pt .75pt'><p><span style='font-family:"Calibri","sans-serif";color:#3D4D5A'>This email has been checked for viruses by AVG antivirus software. <br><a href="http://www.avg.com/internet-security">www.avg.com</a> <o:p></o:p></span></p></td></tr></table><p class=MsoNormal><br><br><o:p></o:p></p></div></div></body></html>