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221. Re: [Fot] RE -valve guides revisited (score: 1): Author: "Tim Murphy" <timmurph@fastbytes.com>; Date: Tue, 15 May 2012 22:03:56 -0500; I had sent Tony the spread sheet some time ago analyzing the clearance between the guide and the valve at various temperatures. This is based on the coefficient of expansion of cast iron (cylinder he; /html/fot/2012-05/msg00280.html (17,426 bytes)
222. [Fot] Dumb Question (score: 1): Author: "Tim Murphy" <timmurph@fastbytes.com>; Date: Wed, 23 May 2012 13:47:11 -0500; You know, I'd had always heard that there were no dumb questions. Apparently however I found one, the question I asked about bronze valve guides. My apologies! Tim ___________________________________; /html/fot/2012-05/msg00390.html (10,029 bytes)
223. Re: [Fot] TR4 spark plugs (score: 1): Author: "Tim Murphy" <timmurph@fastbytes.com>; Date: Mon, 28 May 2012 17:18:15 -0500; Spark Plugs - NGK BPR7HS Gap - 0.025 (Moss) Torque - 18 -25 Lb-Ft. (NGK) Use 18 Lb-Ft. This has worked well for us. Tim & Ryan Greetings FoT, I was just wondering what spark plugs TR4 drivers are usi; /html/fot/2012-05/msg00422.html (12,272 bytes)
224. Re: [Fot] TR4 spark plugs (score: 1): Author: "Tim Murphy" <timmurph@fastbytes.com>; Date: Mon, 28 May 2012 17:18:15 -0500; Oops, forgot to mention, Lucas distributor and mechanical points and Lucas Sport Coil ignition. I think the "R" in the designation is for a resistor plug. It is what was readily available. Tim & Ryan; /html/fot/2012-05/msg00423.html (12,152 bytes)
225. Re: [Fot] FP Reg (score: 1): Author: "Tim Murphy" <timmurph@fastbytes.com>; Date: Mon, 28 May 2012 17:22:09 -0500; Fuel Pressure Regulator - Holley Part No. 12-803 (included with pump) Pressure range 4-1/2 to 9 psi Set to 3-1/4 to 3-1/2 PSI Fuel Pump - Holley "Blue" Part No. 12-802-1 (70 gph at 9 psi, preset pres; /html/fot/2012-05/msg00424.html (12,976 bytes)
226. [Fot] TR4 Valve spring - pressure, assembled height, suppliers (score: 1): Author: "Tim Murphy" <timmurph@fastbytes.com>; Date: Tue, 8 May 2012 13:40:23 -0500; The machinist doing the work on our cylinder head tells me that we only have about 70 pounds of pressure on the seats. He thinks this is pretty low, in his experience with other engines. He also aske; /html/fot/2012-05/msg00627.html (12,457 bytes)
227. Re: [Fot] TR4 Valve spring - pressure, assembled height, suppliers (score: 1): Author: "Tim Murphy" <timmurph@fastbytes.com>; Date: Tue, 8 May 2012 16:50:27 -0500; The cam is a Kastner G3 and the rockers are stock TR4 with 1.55:1 ratio. The measured cam lift is 0.342 giving a measured valve lift of 0.480 with 0.016 tappet clearance. This gives an actual ratio o; /html/fot/2012-05/msg00630.html (16,540 bytes)
228. Re: [Fot] TR4 Valve spring - pressure, assembled height, suppliers (score: 1): Author: "Tim Murphy" <timmurph@fastbytes.com>; Date: Thu, 10 May 2012 22:10:08 -0500; Thanks to all who responded to my request for information on valve springs and pressures. I've ordered a set of springs and titanium retainers from British Frame and Engine. Generally the seat pressu; /html/fot/2012-05/msg00665.html (17,839 bytes)
229. Re: [Fot] TR4 Valve spring - pressure, assembled height, suppliers (score: 1): Author: "Tim Murphy" <timmurph@fastbytes.com>; Date: Fri, 11 May 2012 23:01:27 -0500; Richard, In talking to 3 different machine shops it appears that the "standard" valve grind for car engines is the triple grind. As about the only engines that have valve jobs any more are race engin; /html/fot/2012-05/msg00681.html (16,086 bytes)
230. Re: [Fot] TR4 head crack between water holes (score: 1): Author: "Tim Murphy" <timmurph@fastbytes.com>; Date: Sat, 12 May 2012 14:33:11 -0500; Thanks Tony, good info! My machinist was concerned about that and now I have some more info for him. Tim Subject was "[Fot] TR4 Valve spring - pressure, assembled height, suppliers" I think we're tal; /html/fot/2012-05/msg00699.html (19,116 bytes)
231. Re: [Fot] Help! Ambro engine crankcase internal pressures. ???? (score: 1): Author: "Tim Murphy" <timmurph@fastbytes.com>; Date: Tue, 15 May 2012 11:47:11 -0500; Joe, I may have missed this on this thread, but have you done a compression check? This should show the results of some of the possible causes I've seen mentioned. Tim --Original Message-- From: fot-; /html/fot/2012-05/msg00728.html (18,940 bytes)
232. Re: [Fot] RE -valve guides revisited (score: 1): Author: "Tim Murphy" <timmurph@fastbytes.com>; Date: Tue, 15 May 2012 22:03:56 -0500; I had sent Tony the spread sheet some time ago analyzing the clearance between the guide and the valve at various temperatures. This is based on the coefficient of expansion of cast iron (cylinder he; /html/fot/2012-05/msg00734.html (17,652 bytes)
233. [Fot] Dumb Question (score: 1): Author: "Tim Murphy" <timmurph@fastbytes.com>; Date: Wed, 23 May 2012 13:47:11 -0500; You know, I'd had always heard that there were no dumb questions. Apparently however I found one, the question I asked about bronze valve guides. My apologies! Tim ___________________________________; /html/fot/2012-05/msg00844.html (10,085 bytes)
234. Re: [Fot] TR4 spark plugs (score: 1): Author: "Tim Murphy" <timmurph@fastbytes.com>; Date: Mon, 28 May 2012 17:18:15 -0500; Spark Plugs - NGK BPR7HS Gap - 0.025 (Moss) Torque - 18 -25 Lb-Ft. (NGK) Use 18 Lb-Ft. This has worked well for us. Tim & Ryan Greetings FoT, I was just wondering what spark plugs TR4 drivers are usi; /html/fot/2012-05/msg00874.html (12,417 bytes)
235. Re: [Fot] TR4 spark plugs (score: 1): Author: "Tim Murphy" <timmurph@fastbytes.com>; Date: Mon, 28 May 2012 17:18:15 -0500; Oops, forgot to mention, Lucas distributor and mechanical points and Lucas Sport Coil ignition. I think the "R" in the designation is for a resistor plug. It is what was readily available. Tim & Ryan; /html/fot/2012-05/msg00875.html (12,261 bytes)
236. Re: [Fot] FP Reg (score: 1): Author: "Tim Murphy" <timmurph@fastbytes.com>; Date: Mon, 28 May 2012 17:22:09 -0500; Fuel Pressure Regulator - Holley Part No. 12-803 (included with pump) Pressure range 4-1/2 to 9 psi Set to 3-1/4 to 3-1/2 PSI Fuel Pump - Holley "Blue" Part No. 12-802-1 (70 gph at 9 psi, preset pres; /html/fot/2012-05/msg00876.html (13,138 bytes)
237. Re: [Fot] LSD (score: 1): Author: "Tim Murphy" <timmurph@fastbytes.com>; Date: Sat, 2 Jun 2012 17:54:51 -0500; For what it's worth, our TR4 had been set up for racing and raced somewhat extensively in the early 80's and we think previously. It had homemade traction bars on it when we got it. I asked Jack Drew; /html/fot/2012-06/msg00016.html (16,646 bytes)
238. Re: [Fot] TR4 expansion tank question (score: 1): Author: "Tim Murphy" <timmurph@fastbytes.com>; Date: Thu, 7 Jun 2012 15:06:26 -0500; I'm a native Chris and it's pretty confusing sometimes to me:) I'm still trying to figure out what a CWP is that Tony Garmey is looking for. Tim --Original Message-- From: fot-bounces@autox.team.net; /html/fot/2012-06/msg00039.html (17,479 bytes)
239. Re: [Fot] TR4 expansion tank question (score: 1): Author: "Tim Murphy" <timmurph@fastbytes.com>; Date: Thu, 7 Jun 2012 19:26:00 -0500; Ah, that explains it. Another one of those English speaking folks I can't understand:) Like the Irish, the Scottish and some of the English people I ran into in London. Tim --Original Message-- From:; /html/fot/2012-06/msg00048.html (18,924 bytes)
240. Re: [Fot] Electronic Distributor and Total Advance (score: 1): Author: "Tim Murphy" <timmurph@fastbytes.com>; Date: Thu, 7 Jun 2012 21:53:18 -0500; Do you have a timing light that you can punch in the advance and with that feature you can see exactly what advance you are actually running? I have an older Snap-on one that if I punch the advance o; /html/fot/2012-06/msg00055.html (13,357 bytes)

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