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- Miscellaneous tire info gleaned from the EV mailing list on the Internet
- Thanks to all who contribute to that group!
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- Date: Tue, 23 Nov 1993 20:26:19 PST
- From: Peter Jacobs <ud077@FREENET.VICTORIA.BC.CA>
- To: Multiple recipients of list EV <EV%SJSUVM1.BITNET@cmsa.Berkeley.EDU>
- Subject: Low rolling resistance tires.
-
- FYI, here's a re-post of the Goodyear low rolling
- resistance tire sizes and code numbers. Credit for
- this info goes to the EAA newsletter, "Curreny EVents".
-
- GOODYEAR TIRES :
- PRODUCT CODES FOR LOW ROLLING RESISTANCE TIRES
-
- Invicta GFE Invicta GLR
- P185/70R 14 746-748-647 P165/70R 13 772-564-465
- P195/70R 14 746-827-647 P175/70R 13 772-904-465
- P195/75R 14 746-645-647
- P205/60R 15 746-913-647 Invicta GAL
- P205/65R 15 746-299-647 P185/70R14 779-055-433
- P205/70R 15 746-688-647 P195/75R14 779-854-433
- P205/75R 15 746-727-647 P205/70R14 779-707-433
- P225/75R 15 746-692-647 P205/60R15 779-896-433
-
-
- --
- Peter Jacobs
- ud077@freenet.victoria.bc.ca
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- Date: Sun, 28 Nov 1993 19:33:44 +0800
- From: Karl Fosburg <kfosburg@dhm.com>
- To: Multiple recipients of list EV <EV%SJSUVM1.BITNET@cmsa.Berkeley.EDU>
- Subject: Re: rolling resistance and traction
-
- FYI:
-
- Yokohama has developed tire specifically for EV's. The designation is :
-
- 165R14-6PR LT.
-
- They have 10% less weight, and 30% less rolling resistance, without
- sacraficing performance, according to Yoko.
-
- This was reported in the SAE automotive engineering magazine, November,
- 1993 issue (pg 19).
-
- karl <kfosburg@dhm.com>
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- Date: Wed, 16 Mar 1994 09:56:23 EST
- From: James D. Robb <jrobb@CABELL.VCU.EDU>
- To: Multiple recipients of list EV <EV%SJSUVM1.BITNET@cmsa.Berkeley.EDU>
- Subject: Re: EV Tires
-
- >
- > Goodyear Customer Service (800) 321-2136 said their low rolling resistance
- > tires for EVs are the "Momentum" series. They are supposed to be used at
- > Phoenix.
- >
- > Does anyone know about these tires, their specs, availability, etc?
- >
- > Lee Hart
- > EV Tires
- DU
- >
-
- The EV tire engineer rep at Goodyear is Bill Egan phone
- (216)-795-2715.
-
- He is helping the high school racing teams on the east coast for
- this April's EV Grand Prix 94 at Richmond, VA.
-
- By the way, is there any listing of low rr tires available (by any
- manufacturer)?
-
- Jim Robb
- Central Virginia EAA
- jrobb@cabell.vcu.edu
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- Date: Tue, 22 Mar 1994 12:56:00 CST
- From: Hart, Lee <lhart@p02.mn10.honeywell.com>
- To: Multiple recipients of list EV <EV%SJSUVM1.BITNET@cmsa.Berkeley.EDU>
- Subject: Low RR tires
-
- Subject: Low RR tires
-
- >Goodyear Invictas are regular passenger car tires... GLRs are original
- >equipment on Hondas... Consumer's Reports tested them...
- >
- >David Luneau
-
- Consumer's Reports tested the Goodyear Invicta GL along with a dozen other
- all-season tires in their Feb 1992 issue. Overall it was near the bottom of
- the ratings. RR (rolling resistance) was slightly above average. The
- Michelin XA4, BF Goodrich Advantage, and Firestone FR480 and FR680 were top
- rated for RR.
-
- They tested the Goodyear Invicta GS against 9 others in Feb 94. Again, it
- was next to last, and RR was only average. The best RR in this group were
- the Bridgestone Turanza S and BF Goodrich Advantage.
-
- RR was measured by mounting each set on a car, and recording the time it took
- to coast 2100 feet from a 40 mph start.
-
- Lee Hart <lhart.p02.mn10.honeywell.com>
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- Date: Thu, 24 Mar 1994 01:04:44 EST
- From: MR MITCHELL L OATES <RRKR45A@prodigy.com>
- To: Multiple recipients of list EV <EV%SJSUVM1.BITNET@cmsa.Berkeley.EDU>
- Subject: LOW RR TIRES
-
- I talked with the Solar Car Co. Tech Assistant about a week ago. Invicta
- GLR's are original equipment on new cars (Chrysler specifically) and are
- the low RR version of the Invicta. The replacement model, which used to be
- designated Invicta GFE, is now Invicta GA(L). Both are the same design, the
- difference in model numbers being that one is orignal equipment and the
- other is aftermarket. The gentleman at Solar Car deals directly with
- Goodyear and had the fax from the company in front of him. I've found these
- in the Seattle area at Discount Tire Co. for about $70 apiece. Another tire
- that has been touted for low RR is the Michelin "Green" tire, model number
- MXV4. Michelin claims 35% reduction RR vice 20% for the Invicta. Found
- these at the same company as above for about $85 apiece (ouch!). I'm going
- to try out a set of the Michelins on an updated Jet Industries Courier
- pickup, and I'll try to get some before and after data to see if they make
- any difference. My gas car is needing tires also, and I'm going to put a
- set of Bridgestone Turanza's on it and see how they do.
-
- LOW RR TIRES
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