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460332
Date registered: Apr 2006
Location: Europe
Vehicle(s):
| Re: Tire size and gearing
G-man, you are only free to choose tire brand, model and the size you want as long as the tires dimensions fit your rims and the tires load index and speed index match the minimum required for the vehicles type approval. I think the LT designation is american and only show that this is a stronger tire. The load index (LI) is related to to the weight that rest on the vehicles axles.
Example
http://eu.goodyear.com/de_de/tires/repository/WranglerMT_R/index.js...
http://www.tirerack.com/tires/tiretech/techpage.jsp?techid=35
Dependent of how heavy you vehicle is, the tires are designated to a minimum load index, probably all Gs requires a load index, but as you shop around for tires you will see that not all tires have a high enough load index.
These numbers are usually written in the registration book (Fahrzeugkarte), as with the speed index and dimension. A pro dealer check this for you without noticing you. |
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4x4abc
Date registered: Apr 2006
Location: La Paz, Baja California, Mexico
Vehicle(s): 02 G500
| Re: Tire size and gearing
G.J.,
"pro dealers" are unknown in America - they will sell and mount anything you want. Most US dealers would not even know what a load index is.
Since we at the subject - what is the tire load index required for a 460 G? |
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460332
Date registered: Apr 2006
Location: Europe
Vehicle(s):
| Re: Tire size and gearing
I think mine said 107: Norway, 1984, SWB, can be different elsewhere, none matched that, think the BFG MT 235/85-R16 I bought was 112 or 115?
The tire suppliers in Scandinavia use a regulary updated data-book with common data for all vehicle and their requirements, data goes back to 70-80'.
Nice page about gearing/crawling:
http://www.4lo.com/calc/gearratio.htm
http://intercotire.com/site63.php
Edited by 460332 4/11/2007 5:18 PM
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clubgwagen.com
Elite Veteran
Date registered: Apr 2006
Location: gwagenpreserve.com
Vehicle(s): 300GE Cabriolet
Posts: 736
| Re: Tire size and gearing
My 280GE had 6.17 diffs, and the 5 speed Getrag and it was great balance for most offroad, towing, and onroad use. But it still was not for crawling, definately too fast. it may seem slow when you put it in 1st low range, but until you are on boulders, you never truly realize, how slow you might really want to be able to go.
but even in deep snow, if you can idle along at a speed too slow to spin, with evenly modulated throttle at idle, you can get thru most anything. |
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nugat
Elite Veteran
Date registered: Jan 2007
Location: Warsaw, Poland
Vehicle(s): 280GE, 290GD, c303
Posts: 876
| Re: Tire size and gearing
clubgwagen.com - 4/27/2007 12:04 AM
My 280GE had 6.17 diffs, and the 5 speed Getrag and it was great balance for most offroad, towing, and onroad use. But it still was not for crawling, definately too fast. it may seem slow when you put it in 1st low range, but until you are on boulders, you never truly realize, how slow you might really want to be able to go.
but even in deep snow, if you can idle along at a speed too slow to spin, with evenly modulated throttle at idle, you can get thru most anything.
What tires did you have on your G? WHat was the top usable highway speed with 6.17 diffs? |
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