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275x40x20 tires

1947 Views 8 Replies 5 Participants Last post by  megascape
hi guys newbie here..

i know most of you guys here recommend 255x45 on 20" rims..however those tires are not available so i ended up getting 275x40. I just want to know from you guys if I made the wrong move and should have waited a couple of days to get the recommended size?

From what I see the ones I have are slightly bigger compared to 255's so I want to know what would be the effect on the car in terms of parts like axle, wheel bearings, etc..

will it shorten the lifespan of the parts? what about my fuel consumption?

:wall: :wall: :wall:
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achilles said:
i know most of you guys here recommend 255x45 on 20" rims..however those tires are not available so i ended up getting 275x40
same situation as me, mine are slightly bigger than yours, 275/45

achilles said:
I want to know what would be the effect on the car in terms of parts like axle, wheel bearings, etc..
will it shorten the lifespan of the parts? what about my fuel consumption?
I went through wheel bearings (front) and as far as I know thats a normal wear part on the escapes anyways, larger wheels might speed the wear process up a bit though... Fuel consumption, not sure. I haven't had any other problems related to the wheels/tires.
Your post has the % of the speedometer being too slow, so if you want to go 50 according to your speedo, you are actually going slightly more than that. Try to find one of those speed detector things the police put up to verify, or use a GPS, those tell you your speed.
I know my speedometer is off by quite a bit... 55 km/h when the speedo says im going 50 km/h.

megascape said:
My mech said that 31 will be okay but anything larger will add extra wear on the gearing....
31's wouldnt fit without a lift kit anyways on the escape as far as I can tell... on the last post it says that my total diameter is 29.74 inches, and even that rubs so....
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