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61. Re: Yikes and cam problem:: HELP!!! (score: 1): Author: Larry Young <cartravel@pobox.com>; Date: Sun, 27 Feb 2005 08:46:47 -0600; How are you getting all these different centerline numbers? Are you just averaging the opening and closing? There is only one centerline. You guys may jump all over me on this, but I prefer to instal; /html/fot/2005-02/msg00300.html (12,577 bytes)
62. Re: Yikes and cam problem:: HELP!!! (score: 1): Author: Larry Young <cartravel@pobox.com>; Date: Sun, 27 Feb 2005 14:18:28 -0600; Exactly right! I recently took a close look at 6 different TR cams. The actually seat-to-seat durations averaged 10 degrees greater than advertised. So, they tell us to use the numbers at 0.050 gross; /html/fot/2005-02/msg00309.html (8,114 bytes)
63. Re: TR4 rocker ratio (score: 1): Author: Larry Young <cartravel@pobox.com>; Date: Wed, 12 Jan 2005 14:50:15 -0600; This question was raised a couple weeks ago. I thought is was time for a technical discussion. A couple years ago I decide to measure the rocker ratio. Using a dial indicator and degree wheel, I meas; /html/fot/2005-01/msg00072.html (8,558 bytes)
64. Re: TR4 rocker ratio (score: 1): Author: Larry Young <cartravel@pobox.com>; Date: Thu, 13 Jan 2005 14:22:55 -0600; Many of the geometric issues are addressed in http://home.swbell.net/cartrip/RockerGeom.pdf , which assumes you have a perfect arc at the valve end of the rocker arm and a perfect ball and socket at; /html/fot/2005-01/msg00085.html (9,274 bytes)
65. Re: large runner 1500 (single ZS) manifold needed (longish) (score: 1): Author: Larry Young <cartravel@pobox.com>; Date: Mon, 06 Dec 2004 08:21:20 -0600; 28" of water is one psi. For fully developed tubulent flow, the flow is proportional to the square root of the pressure drop, so it is easy to convert from one pressure drop to another.; /html/fot/2004-12/msg00042.html (9,100 bytes)
66. Re: large runner 1500 (single ZS) manifold needed (longish) (score: 1): Author: Larry Young <cartravel@pobox.com>; Date: Tue, 07 Dec 2004 08:27:07 -0600; Without getting into a technical discussion about Reynolds number, etc., to achieve laminar flow would require a drammatic reduction in the flow velocity and/or the diameter of the port.. Larry Young; /html/fot/2004-12/msg00062.html (9,226 bytes)
67. Re: eBay (score: 1): Author: Larry Young <cartravel@pobox.com>; Date: Tue, 21 Dec 2004 08:19:09 -0600; And #4512026200 got only one bid for $10.00.; /html/fot/2004-12/msg00189.html (6,612 bytes)
68. Re: line-up of either TR-3's for sale on ebay (score: 1): Author: Larry Young <cartravel@pobox.com>; Date: Thu, 18 Nov 2004 08:50:59 -0600; I've used that one. How do you count when you've got two bodies, three frames and four engines? I know too many. Have you ever noticed that these things cost double what you pay for them, because the; /html/fot/2004-11/msg00193.html (9,668 bytes)
69. Re: Cambridge car for sale (score: 1): Author: Larry Young <cartravel@pobox.com>; Date: Fri, 01 Oct 2004 17:09:29 -0500; I've never been successful at finding a car that was done. I've found ones that LOOK done, but they normally have some hidden sins. When I start going through it, I usually find some real odd mechani; /html/fot/2004-10/msg00007.html (8,194 bytes)
70. Hallet Report (score: 1): Author: Larry Young <cartravel@pobox.com>; Date: Mon, 11 Oct 2004 16:34:42 -0500; Friday and Saturday were nice, but it was a washout on Sunday. On saturday we were treated to Bob Kramer's new, more aggressive driving style. The braking may have been a bit too aggressive - 11 lap; /html/fot/2004-10/msg00148.html (7,337 bytes)
71. Hallet Carports, Oct. 8-10. (score: 1): Author: Larry Young <cartravel@pobox.com>; Date: Wed, 01 Sep 2004 08:02:43 -0500; I have reserved the two full carports at Hallet at our usual prime location overlooking "The Bitch". This is enough space for 6 to 8 cars. My list currently has the Drews, Joe Alexander, Bob Kramer,; /html/fot/2004-09/msg00001.html (6,683 bytes)
72. Re: TR3 Frame (and other) work (score: 1): Author: Larry Young <cartravel@pobox.com>; Date: Mon, 06 Sep 2004 09:12:50 -0500; I have been racing and improving my TR3 for almost three years with lots of help from the folks in this group. The biggest gains have been with suspension and handling. I have not added rack and pin; /html/fot/2004-09/msg00037.html (8,996 bytes)
73. Re: TR3 Frame (and other) work (score: 1): Author: Larry Young <cartravel@pobox.com>; Date: Mon, 06 Sep 2004 09:18:34 -0500; I forgot one other item. The standard TR3 front suspension runs straight up. Switching to TR4 upper A arms gives you a bit of caster (3 degrees?) for improved stability.; /html/fot/2004-09/msg00038.html (7,629 bytes)
74. Re: TR3 Frame (and other) work (score: 1): Author: Larry Young <cartravel@pobox.com>; Date: Mon, 06 Sep 2004 20:38:12 -0500; To make the change, I believe you have to change the upper A arms, upper ball joints and the trunnions.; /html/fot/2004-09/msg00040.html (8,503 bytes)
75. Re: TR3 Frame (and other) work (score: 1): Author: Larry Young <cartravel@pobox.com>; Date: Tue, 07 Sep 2004 07:54:45 -0500; Yeah, I can't believe it either. I was just trying to provoke some discussion. My apologies to George Wright and the rest of the fast TR4 crowd.; /html/fot/2004-09/msg00046.html (8,827 bytes)
76. Re: Rev limiter revisited - Spark Scatter (score: 1): Author: Larry Young <cartravel@pobox.com>; Date: Wed, 08 Sep 2004 08:56:09 -0500; Do you use an old time distributor machine to test for spark scatter? It is getting tough to find a shop that has one.; /html/fot/2004-09/msg00082.html (6,677 bytes)
77. Spark Scatter (score: 1): Author: Larry Young <cartravel@pobox.com>; Date: Wed, 08 Sep 2004 13:46:12 -0500; I guess I'm confused (not unusual) about the definition of spark scatter. Is it defined as errors in ignition timing 1. causing random fluctuations in the timing at a given cylinder, or 2. such that; /html/fot/2004-09/msg00087.html (7,999 bytes)
78. Re: Racing in the jungle (score: 1): Author: Larry Young <cartravel@pobox.com>; Date: Tue, 14 Sep 2004 09:49:23 -0500; The front of my car was more black than yellow a few times when I pulled in. Most of us were using two tear-offs, so we could rip one of them off in the middle of the race. It seemed to be very much; /html/fot/2004-09/msg00140.html (7,643 bytes)
79. Re: Speed vs hp. (score: 1): Author: Larry Young <cartravel@pobox.com>; Date: Tue, 10 Aug 2004 13:47:09 -0500; Rolling resistence is a constant force, so the power required to overcome it will increase linearly with speed. Drag will dominate at high speed. Drive train friction is the other big friction loss.; /html/fot/2004-08/msg00091.html (7,374 bytes)
80. Re: Engine question (score: 1): Author: Larry Young <cartravel@pobox.com>; Date: Sat, 14 Aug 2004 13:51:35 -0500; You can't tell much by looking at the cam lobe, because the geometry is completely different. For example, if you design a roller cam and a flat tappet cam that produce the same lift curve, they wil; /html/fot/2004-08/msg00152.html (7,704 bytes)

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