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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*tire\s+size\s+\/\s+RPM\s+connection\s*$/: 7 ]

Total 7 documents matching your query.

1. Re: tire size / RPM connection (score: 1): Author: "Jeff McNeal" <jmcneal@ohms.com>; Date: Thu, 16 Mar 2000 08:40:29 -0800; If anything, my speedo is PESSIMISTIC, otherwise it would be showing me 85 MPH at 4,000 RPM, not 55!! I just lubed the tach cable because it was bouncing a bit. The speedo has been rock solid while; /html/spitfires/2000-03/msg00899.html (8,297 bytes)
2. Re: tire size / RPM connection (score: 1): Author: Carter Shore <clshore@yahoo.com>; Date: Thu, 16 Mar 2000 09:15:50 -0800 (PST); Calculate your speed with this formula: d * RPM -- = speed, MPH 336 * ratio where: d = tire diameter in inches ( 2X rolling radius ) RPM = revs per minute (duh) ratio = rear end ratio, 4.11, 4.55, 3; /html/spitfires/2000-03/msg00904.html (7,467 bytes)
3. Re: tire size / RPM connection (score: 1): Author: Andrew Mace <amace@unix2.nysed.gov>; Date: Thu, 16 Mar 2000 12:28:12 -0500 (); With all due respect, something's off in your observations or calculations of you're getting 20 mph/1000rpms. That, or you're running TR6 tires and wheels on your Spitfire! The only car in the range; /html/spitfires/2000-03/msg00905.html (7,711 bytes)
4. Re: tire size / RPM connection (score: 1): Author: Carter Shore <clshore@yahoo.com>; Date: Thu, 16 Mar 2000 10:23:18 -0800 (PST); This was an issue because of a speeding ticket I got, had to go get a certificate of calibration from a Licenced Speedo shop, take it before the judge. FWIW, using the formula, gets 18 MPH/1000 RPM; /html/spitfires/2000-03/msg00908.html (7,566 bytes)
5. Re: tire size / RPM connection (score: 1): Author: HD883HUGGR@aol.com; Date: Thu, 16 Mar 2000 16:20:29 EST; << Jeff, Calculate your speed with this formula: d * RPM -- = speed, MPH 336 * ratio >> I usually calculate my speed with this formula: wind in hair width days Spit runs well -- + of grin ~> -- = cor; /html/spitfires/2000-03/msg00912.html (7,291 bytes)
6. Re: tire size / RPM connection (score: 1): Author: Laura.G@141.com (Laura Gharazeddine); Date: Thu, 16 Mar 2000 14:10:06 -0800; My formula is air temp+ min. for temp gauge to get halfway x time for gas needle to move in opposite direction from temp needle= mph. Also fairly accurate! Laura G.; /html/spitfires/2000-03/msg00914.html (7,980 bytes)
7. Re: tire size / RPM connection (score: 1): Author: Carter Shore <clshore@yahoo.com>; Date: Thu, 16 Mar 2000 15:54:45 -0800 (PST); I like your formula better!; /html/spitfires/2000-03/msg00923.html (7,692 bytes)

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