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Toyota RAV4 pre-2006

2123 messages,  Last post on Aug 20, 2009 at 7:57 PM

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What is this discussion about? Toyota RAV4, SUV

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#1686 of 2123 Re: Smllfry1 [smllfry1] by kdshapiro Dec 05, 2004 (7:48 pm)
Replying to: smllfry1 (Oct 22, 2004 1:44 pm) Could be the water pump.
#1687 of 2123 Re: 2004 RAV4 Fwd in the rain [ewind54] by suvshopper4 Dec 06, 2004 (5:38 pm)
Replying to: ewind54 (Nov 03, 2004 5:34 am) Yes, maybe the AWD is the difference. Or possibly the 2WD vehicle has cheaper tires (which is typical), and they are more likely to spin, especially in wet conditions.   Also, wider tires are not better in the wet (rain or snow). In these conditions, standard-size narrower tires are better. Wider tires have better grip in dry conditions. Replies to this message: kdshapiro (Dec 07, 2004 6:27 am)
#1688 of 2123 Re: 2005 RAV4s [har] by 55535432 Dec 06, 2004 (10:18 pm)
Replying to: har (Dec 04, 2004 2:51 pm) Im not 100% sure, maybe the ones with sideairbags are exclusive only to NY-CT area.Finding one in the "neck of the woods" Maryland area is like treasure hunting.
#1689 of 2123 Re: 2004 RAV4 Fwd in the rain [suvshopper4] by kdshapiro Dec 07, 2004 (6:27 am)
Replying to: suvshopper4 (Dec 06, 2004 5:38 pm) On any FWD without TC you can spin the tires in rain/snow when cranking the wheel under hard acceleration. AWD will make a difference.   It has not been my experience that narrow tires are better in inclement weather, exactly the opposite. Wider tires are always better due to increased contact with the pavement. I do agree that cars with narrower tires have a softer ride.
#1690 of 2123 Kdshapiro by steve_ HOST Dec 07, 2004 (7:08 am)
There's a thread from 2001 that says that at a given tire pressure and vehicle weight, you have the same area contact patch regardless of tire width.   dudleyr "Tires, tires, tires" Nov 20, 2001 10:54am   And another post of interest:   hpulley4 "Tires, tires, tires" Jan 21, 2003 10:39am   Steve, Host Replies to this message: kdshapiro (Dec 07, 2004 11:08 am)
#1691 of 2123 Narrow tires by petl Dec 07, 2004 (8:31 am)
I does sound illogical, but narrow tires are better in inclement weather particularly in snow and ice conditions. Something I learned about 35 years ago. The less tire touching the ice and snow, the better the traction. I wish my memory was good enough to remember why.
#1692 of 2123 Re: Kdshapiro [steve_] by kdshapiro Dec 07, 2004 (11:08 am)
Replying to: steve_ (Dec 07, 2004 7:08 am) Steve - I wish I could find the photos I've run across of different width tires taken on a clear plate from underneath. A picture is worth 1K words.   Having grown up in the snow belt of NY with a couple of different cars my observations are as follows:   1. Handling narrow tires. 2. starting and stopping wider tires.
#1693 of 2123 by steve_ HOST Dec 07, 2004 (11:21 am)
My narrow Tercel tires seemed to do better in my 20 Anchorage winters than my bigger minivan tires did. Anchorage is nothing like Buffalo though (and a Tercel is nothing like a Caravan either <g>).   I couldn't find any photos either, but I think I've seen them before. And the contact patch isn't static either and will change in various conditions (hard cornering comes to mind).   There's probably some more info over in the Snow/Ice winter tires discussion.   Steve, Host
#1694 of 2123 by 719b Dec 07, 2004 (2:06 pm)
narrow tires have more weight per square inch to the contact point.
#1695 of 2123 Re: Tire Contact Pressure by capriracer Dec 07, 2004 (3:42 pm)
FYI:   Tire contact pressure DOES change with width.   To demonstrate: Let's assume you have several tires that have the same maximum load rating and are inflated to the same pressure. It turns out that these tires would have about the diameter overall diameter.   Now load them to the same load. Does it now make sense that the narrower tire would have a longer footprint? No! The overall diameter's are the same, and the deflection is the same, why would the footprint length be different?   Put another way, inflation pressure doesn't equal footprint pressure.   Hope this helps.

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