- 1. Cam Questions / 3/4 ? (score: 1)
- Author: "62BT7" <62BT7@prodigy.net>
- Date: Thu, 3 Jun 2004 10:26:53 -0700
- Rick and Eric, I believe the term 3/4 cam came from the old racing days (40's-50's) referring to "Hot-Rod" Ford flathead V8 engines. "Full Race" being the hottest cam developed in those days and not
- /html/healeys/2004-06/msg00113.html (8,848 bytes)
- 2. Re: Cam Questions / 3/4 ? (score: 1)
- Author: Eric Wilkins <wilko2@cox.net>
- Date: Thu, 3 Jun 2004 11:44:08 -0700
- I like that explanation. Has an interesting logic. Wouldn't 360 degrees be one lame cam? he he. I searched around the internet for answers too. The young punks think it's only to do with flatheads. T
- /html/healeys/2004-06/msg00115.html (7,206 bytes)
- 3. Re: Cam Questions / 3/4 ? (score: 1)
- Author: RAHosmer@aol.com
- Date: Thu, 3 Jun 2004 15:46:20 EDT
- No, because of the "twice-around" facet of four cycle operation, a "360 degree cam" would still be open only half the time Not lame at all! In fact, using a 270 degree duration to define a "3/4 cam"
- /html/healeys/2004-06/msg00118.html (6,988 bytes)
- 4. Re: Cam Questions / 3/4 ? (score: 1)
- Author: John Miller <healeys@n4vu.com>
- Date: Thu, 3 Jun 2004 16:38:06 -0400
- Bein' only 61, I was a few years behind you, but the term was very much current in the late '50s. Then, as now, I kinda figured it was a term of art, that is, a made-up expression to convey the conce
- /html/healeys/2004-06/msg00120.html (7,692 bytes)
- 5. Re: Cam Questions / 3/4 ? (score: 1)
- Author: "Chris Dimmock" <cd3000@bigpond.net.au>
- Date: Fri, 4 Jun 2004 20:35:30 +1000
- "3/4 race" is a relatively unscientific term If you look at BMC's factory spec cams for the BMC A series engine, the 'Full race' cam for a sprite in the 1960's was the 'C-AEA-648' grind. On a road ca
- /html/healeys/2004-06/msg00147.html (9,690 bytes)
This search system is powered by
Namazu