<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div class="">Mystery solved. The cam is a BFE M23-108 from SLR. Thanks, Preston, for the cam card. It saved what little hair I had left. This shoould have been a fifteen minute job, instead I spent two days looking at a degree wheel and a dial indicator. Having the right data helps a lot. </div><div class=""><br class=""></div><div class="">I set it up with a measured advance of four degrees. The calculated lobe center comes out to 104, which is zero advance, but I think this puppy need to visit a dyno anyway. Final numbers are:</div><div class=""><br class=""></div><div class="">measured at .050 </div><div class="">Intake opens 30.5 BTC</div><div class="">Intake closes 58.5 ABC</div><div class="">Exhaust opens 64.5 BBC</div><div class="">Exhaust closes 22 ATC</div><div class=""><br class=""></div><div class="">Lift at valve—0 lash</div><div class="">550 intake 550 ext </div><div class=""><br class=""></div><div class="">Calculated:</div><div class="">Overlap 52.5</div><div class="">Intake duration 269</div><div class="">Exhaust dur 266.5</div><div class="">Intake LC 104 ATC</div><div class="">Exhaust LC 111.5 BTC</div><div class=""><br class=""></div><div class="">
<div class="page" title="Page 1">
<img src="file:///page1image256" alt="page1image256" width="612.000000" height="792.000000" class="">
</div></div><div class=""><br class=""></div><div class=""><br class=""></div><br class=""><div><blockquote type="cite" class=""><div class="">On Jun 14, 2016, at 8:47 PM, Preston Kaenel <<a href="mailto:kaenel@pacbell.net" class="">kaenel@pacbell.net</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div class=""><div style="background-color: rgb(255, 255, 255); font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-size: 16px;" class=""><div id="yui_3_16_0_ym19_1_1465790522807_24485" class=""><span id="yui_3_16_0_ym19_1_1465790522807_24484" class="">Correct intake lobe at 104 would be straight up install on this cam. Good luck with it. </span></div> <div class="qtdSeparateBR"><br class=""><br class=""></div><div class="yahoo_quoted" style="display: block;"> <div style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px;" class=""> <div style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px;" class=""> <div dir="ltr" class=""><font face="Arial" size="2" class=""> On Tuesday, June 14, 2016 8:39 PM, Bill Babcock <<a href="mailto:ponobill@gmail.com" class="">ponobill@gmail.com</a>> wrote:<br class=""></font></div> <br class=""><br class=""> <div class="y_msg_container"><div id="yiv9844589333" class=""><div class="">Thanks so much, I can get there from here. It looks about right. Just roughing it out in my head if I moved the intake lobe center to 104 I’d be right about there. I think I’m going to give it a try at 108 and get some dyno time to play with it. <div class="yiv9844589333"><br class="yiv9844589333" clear="none"><div class=""><blockquote class="yiv9844589333" type="cite"><div class="yiv9844589333yqt3382856591" id="yiv9844589333yqt35722"><div class="yiv9844589333">On Jun 14, 2016, at 8:33 PM, Preston Kaenel <<a class="yiv9844589333" href="mailto:kaenel@pacbell.net" target="_blank" rel="nofollow" shape="rect" ymailto="mailto:kaenel@pacbell.net">kaenel@pacbell.net</a>> wrote:</div><br class="yiv9844589333Apple-interchange-newline" clear="none"><div class="yiv9844589333"><div class="yiv9844589333"><div class="yiv9844589333" style="font-family: HelveticaNeue, "Helvetica Neue", Helvetica, Arial, "Lucida Grande", sans-serif; font-size: 16px; background-color: rgb(255, 255, 255);"><div class="yiv9844589333" id="yiv9844589333yui_3_16_0_ym19_1_1465790522807_22258"><span class="yiv9844589333" id="yiv9844589333yui_3_16_0_ym19_1_1465790522807_22257">Attached are two cam cards.</span></div><div class="yiv9844589333" id="yiv9844589333yui_3_16_0_ym19_1_1465790522807_22438"><span class="yiv9844589333" id="yiv9844589333yui_3_16_0_ym19_1_1465790522807_22437">BFE #23 lobe profile(.376 lift) on 108deg lobe center</span></div><div class="yiv9844589333" id="yiv9844589333yui_3_16_0_ym19_1_1465790522807_22455"><span class="yiv9844589333" id="yiv9844589333yui_3_16_0_ym19_1_1465790522807_22456">BFE #24 lobe profile(.370lift) on 108deg lobe center</span></div><div class="yiv9844589333" id="yiv9844589333yui_3_16_0_ym19_1_1465790522807_22531"><span class="yiv9844589333"></span><br class="yiv9844589333" clear="none"></div><div class="yiv9844589333" id="yiv9844589333yui_3_16_0_ym19_1_1465790522807_22533" dir="ltr"><span class="yiv9844589333" id="yiv9844589333yui_3_16_0_ym19_1_1465790522807_22532">To my knowledge these are the only two lobe profiles over the last 20 years for BFE cams both with Steve and prior with Babe Erson. Lobe centers have varied from 103 to 108. Even with inverted math your lobe center math should be accurate. If the attachments get stripped, I'll send them to you directly. Don't get much TR time these day, but saw this and hopefully could help a bit.</span></div><div class="yiv9844589333" dir="ltr"><span class="yiv9844589333"></span><br class="yiv9844589333" clear="none"></div><div class="yiv9844589333" dir="ltr"><span class="yiv9844589333">Preston</span></div> <div class="yiv9844589333qtdSeparateBR"><br class="yiv9844589333" clear="none"><br class="yiv9844589333" clear="none"></div><div class="yiv9844589333yahoo_quoted" style="display: block;"> <div class="yiv9844589333" style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px;"> <div class="yiv9844589333" style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px;"> <div class="yiv9844589333" dir="ltr"><font class="yiv9844589333" face="Arial" size="2"> On Tuesday, June 14, 2016 7:58 PM, Bill Babcock <<a class="yiv9844589333" href="mailto:ponobill@gmail.com" target="_blank" rel="nofollow" shape="rect" ymailto="mailto:ponobill@gmail.com">ponobill@gmail.com</a>> wrote:<br class="yiv9844589333" clear="none"></font></div> <br class="yiv9844589333" clear="none"><br class="yiv9844589333" clear="none"> <div class="yiv9844589333y_msg_container"><div class="yiv9844589333" id="yiv9844589333"><div class="yiv9844589333">It’s the cam that was working so well. Pretty sure it’s a BFE, but no, I”m not letting this go until I know. Right now the numbers are totally screwball, but I’ll figure it out. <div class="yiv9844589333"><br class="yiv9844589333" clear="none"></div><div class="yiv9844589333"><br class="yiv9844589333" clear="none"><div class="yiv9844589333"><blockquote class="yiv9844589333" type="cite"><div class="yiv9844589333">On Jun 14, 2016, at 1:46 PM, Kas Kastner <<a class="yiv9844589333" href="mailto:kaskastner@gmail.com" target="_blank" rel="nofollow" shape="rect" ymailto="mailto:kaskastner@gmail.com">kaskastner@gmail.com</a>> wrote:</div><br class="yiv9844589333Apple-interchange-newline" clear="none"><div class="yiv9844589333"><div class="yiv9844589333" dir="ltr">It is difficult for me to believe that Bill is just going to say "oh what the hell, I'll just put it in" :-)</div><div class="yiv9844589333gmail_extra"><br class="yiv9844589333" clear="all"><div class="yiv9844589333"><div class="yiv9844589333gmail_signature"><div class="yiv9844589333"><strong class="yiv9844589333"><font class="yiv9844589333" color="#000099">Never be beaten by equipment.</font></strong></div></div></div>
<br class="yiv9844589333" clear="none"><div class="yiv9844589333gmail_quote">On Tue, Jun 14, 2016 at 10:46 AM, Bill Babcock <span class="yiv9844589333" dir="ltr"><<a class="yiv9844589333" href="mailto:ponobill@gmail.com" target="_blank" rel="nofollow" shape="rect" ymailto="mailto:ponobill@gmail.com">ponobill@gmail.com</a>></span> wrote:<br class="yiv9844589333" clear="none"><blockquote class="yiv9844589333gmail_quote" style="margin: 0px 0px 0px 0.8ex; padding-left: 1ex; border-left-color: rgb(204, 204, 204); border-left-width: 1px; border-left-style: solid;">Searching around on the web, it kind of looks like a TilTech 298Dx, but I don’t recall buying a cam from Larry and Tony Garmey doesn’t think so either. I could just set it up as if it were, but it would be good to know.<br class="yiv9844589333" clear="none">
<br class="yiv9844589333" clear="none">
<br class="yiv9844589333" clear="none">
> On Jun 14, 2016, at 10:40 AM, Bill Babcock <<a class="yiv9844589333" href="mailto:ponobill@gmail.com" target="_blank" rel="nofollow" shape="rect" ymailto="mailto:ponobill@gmail.com">ponobill@gmail.com</a>> wrote:<br class="yiv9844589333" clear="none">
><br class="yiv9844589333" clear="none">
> Oh, and the lift is .372<br class="yiv9844589333" clear="none">
><br class="yiv9844589333" clear="none">
><br class="yiv9844589333" clear="none">
>> On Jun 14, 2016, at 10:11 AM, Bill Babcock <<a class="yiv9844589333" href="mailto:ponobill@gmail.com" target="_blank" rel="nofollow" shape="rect" ymailto="mailto:ponobill@gmail.com">ponobill@gmail.com</a>> wrote:<br class="yiv9844589333" clear="none">
>><br class="yiv9844589333" clear="none">
>> I’m building a new motor for Peyote from the bits of it’s previous engine. I discovered the front main bearing cap was cracked in half when I decided to freshen the motor. I’ll work on replacing the cap later—maybe get a billet one made, but in the meantime I’ve run into a minor problem. I don’t know for sure what cam I have or how it should be set. Tony Garmey says it’s a BFE cam, but I can’t find any specs for those and can’t get ahold of Ken.<br class="yiv9844589333" clear="none">
>><br class="yiv9844589333" clear="none">
>> I ballparked where I think the cam might want to be and got this for measurements:<br class="yiv9844589333" clear="none">
>><br class="yiv9844589333" clear="none">
>> Reading the Intake and exhaust valve movement from the spring retainers I use 0.033” as the open/close height which is .050/1.45 which as I recall is the ratio of the stock rockers”<br class="yiv9844589333" clear="none">
>> Intake open .033 @ 36 BTC<br class="yiv9844589333" clear="none">
>> Intaake close .033” @ 76 ABC<br class="yiv9844589333" clear="none">
>> Exhaust open .033” @ 76 ABC<br class="yiv9844589333" clear="none">
>> Exhaust close .033” @ 42 ATC<br class="yiv9844589333" clear="none">
>><br class="yiv9844589333" clear="none">
>> By my calculations that gives:<br class="yiv9844589333" clear="none">
>> Intake duration 292.0 degrees<br class="yiv9844589333" clear="none">
>> Exhaust duration 298 degrees<br class="yiv9844589333" clear="none">
>> Intake lobe center 110.0 ATC<br class="yiv9844589333" clear="none">
>> Exhaust lobe center 107 BTC<br class="yiv9844589333" clear="none">
>> Overlap 78<br class="yiv9844589333" clear="none">
>> Lobe separation angle 108.5<br class="yiv9844589333" clear="none">
>><br class="yiv9844589333" clear="none">
>> Pretty sure this isn’t exactly where it needs to be. I have a vernier sprocket so I can adjust the timing precisely. My questions are:<br class="yiv9844589333" clear="none">
>><br class="yiv9844589333" clear="none">
>> What cam is this?<br class="yiv9844589333" clear="none">
>> Where should it be set?<br class="yiv9844589333" clear="none">
>> How much advance?<br class="yiv9844589333" clear="none">
><br class="yiv9844589333" clear="none">
<br class="yiv9844589333" clear="none">
_______________________________________________<br class="yiv9844589333" clear="none">
<a class="yiv9844589333" href="mailto:fot@autox.team.net" target="_blank" rel="nofollow" shape="rect" ymailto="mailto:fot@autox.team.net">fot@autox.team.net</a><br class="yiv9844589333" clear="none">
<br class="yiv9844589333" clear="none">
<a class="yiv9844589333" href="http://www.fot-racing.com/" target="_blank" rel="nofollow" shape="rect">http://www.fot-racing.com/</a><br class="yiv9844589333" clear="none">
<br class="yiv9844589333" clear="none">
Donate: <a class="yiv9844589333" href="http://www.team.net/donate.html" target="_blank" rel="nofollow" shape="rect">http://www.team.net/donate.html</a><br class="yiv9844589333" clear="none">
Archive: <a class="yiv9844589333" href="http://www.team.net/archive" target="_blank" rel="nofollow" shape="rect">http://www.team.net/archive</a><br class="yiv9844589333" clear="none">
Forums: <a class="yiv9844589333" href="http://www.team.net/forums" target="_blank" rel="nofollow" shape="rect">http://www.team.net/forums</a><br class="yiv9844589333" clear="none">
Unsubscribe/Manage: <a class="yiv9844589333" href="http://autox.team.net/mailman/options/fot/kaskastner@gmail.com" target="_blank" rel="nofollow" shape="rect">http://autox.team.net/mailman/options/fot/kaskastner@gmail.com</a><br class="yiv9844589333" clear="none">
<br class="yiv9844589333" clear="none">
<br class="yiv9844589333" clear="none">
</blockquote></div><br class="yiv9844589333" clear="none"></div>
</div></blockquote></div><br class="yiv9844589333" clear="none"></div></div></div><br class="yiv9844589333" clear="none">_______________________________________________<br class="yiv9844589333" clear="none"><a class="yiv9844589333" href="mailto:fot@autox.team.net" target="_blank" rel="nofollow" shape="rect" ymailto="mailto:fot@autox.team.net">fot@autox.team.net</a><br class="yiv9844589333" clear="none"><br class="yiv9844589333" clear="none"><a class="yiv9844589333" href="http://www.fot-racing.com/" target="_blank" rel="nofollow" shape="rect">http://www.fot-racing.com/</a><br class="yiv9844589333" clear="none"><br class="yiv9844589333" clear="none">Donate: <a class="yiv9844589333" href="http://www.team.net/donate.html" target="_blank" rel="nofollow" shape="rect">http://www.team.net/donate.html</a><br class="yiv9844589333" clear="none">Archive: <a class="yiv9844589333" href="http://www.team.net/archive" target="_blank" rel="nofollow" shape="rect">http://www.team.net/archive</a><br class="yiv9844589333" clear="none">Forums: <a class="yiv9844589333" href="http://www.team.net/forums" target="_blank" rel="nofollow" shape="rect">http://www.team.net/forums</a><br class="yiv9844589333" clear="none">Unsubscribe/Manage: <a class="yiv9844589333" href="http://autox.team.net/mailman/options/fot/kaenel@pacbell.net" target="_blank" rel="nofollow" shape="rect">http://autox.team.net/mailman/options/fot/kaenel@pacbell.net</a><br class="yiv9844589333" clear="none"><br class="yiv9844589333" clear="none"><br class="yiv9844589333" clear="none"><br class="yiv9844589333" clear="none"><br class="yiv9844589333" clear="none"></div> </div> </div> </div></div></div><span class=""><BFE M23-108.pdf></span><span class=""><BFE M24-108.pdf></span></div></div></blockquote></div><br class="yiv9844589333" clear="none"></div></div></div><br class=""><br class=""></div> </div> </div> </div></div></div></div></blockquote></div><br class=""></body></html>