Will it work?
Submitted: Monday, Jun 13, 2011 at 17:21
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TheMightyMoose
Can a 275/70R16 tube be successfully used in a 285/75R16 tyre?
I wanted to take a couple of tubes on an upcoming trip and happen to have 2 of the 275/70R16 tubes in the shed. Didn't really want to buy new 285/75R16 tubes since I'll be changing tyre size when they are due for replacement (larger tyres are technically illegal on my vehicle but came with it when I bought it).
Presumably the smaller tubes can be used in an emergency situation?
Have plenty of plugs and patches (for tyres and tubes) but just wanted an extra option re repairs.
Thanks in advance.
Reply By: Member Al (Sunshine Coast) - Monday, Jun 13, 2011 at 17:27
Monday, Jun 13, 2011 at 17:27
Hey moose, have a look at your tubes. My spare tubes are printed with the tyre sizes which are acceptable.
AnswerID:
457295
Reply By: Member - John and Val - Monday, Jun 13, 2011 at 17:34
Monday, Jun 13, 2011 at 17:34
The internal "circumference" of the 285/75 cross section is only about 5% bigger than that of the 275/70. I think I'd use the tubes in an emergency, but not for general use.
Cheers
John | J and V
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Reply By: Member - Phil G (SA) - Monday, Jun 13, 2011 at 19:38
Monday, Jun 13, 2011 at 19:38
I was exactly in the same dilemma a couple of years ago.
Went to buy a bigger tube at a tyre
shop owned by a friend and he said my current tubes can easily be used for the bigger size - they expand a fair bit.
So I do what you are proposing and taking a 275/70 tube as spares for my 285's.
Cheers
Phil
AnswerID:
457312
Reply By: Member - Alastair D (NSW) - Tuesday, Jun 14, 2011 at 09:05
Tuesday, Jun 14, 2011 at 09:05
Moose,
As said the size should be ok but
check that they are in good condition. I always blow them up before a big trip and the last time I found they showed cracking at the creases when at pressure . They were 3 years old and according to the tyre place I buy from they find this is common with some of the cheaper tubes that are around. Make sure they are stored out of the sunlight. They advised that the Michelin tubes are the best available but often hard to get in certain sizes.
I always carry an old tube as
well so if I get a bad cut I can put a piece inside as a sleeve. Only had to do it once in 40 years but I often use bits for other purposes anyway so like fencing wire it is just good to have stuffed into one of those little nooks.
cheers
AnswerID:
457360