bry940 Posted July 18, 2010 Share Posted July 18, 2010 Hi all,I am wondering what is the widest tire you can fit on 5j rims. Im currently considering options for changing the wheels on a budget. I would like the 5.5j but it looks like everyone in the world wants them. Also weller 6x13 looks like a nice choice to. But if i keep the original wheels with wider, lower profile tires that might provide the hill-climb sprint look im after.Any ideas and pictures are welcome Link to comment Share on other sites More sharing options...
Clive Posted July 18, 2010 Share Posted July 18, 2010 175/70 will go on OK. I was using some on 4 1/2j rims earlier today for the CT autosolo.....no way was I using "good" tyres for that, so I have some "sub-prime" tyres on the coomon and worthless std spit rims...In fact I was also running a pair of 175/60 13 tyres on the rear which offer a much lower profile and lower the gearing by about 6%. Slightly odd set up, but seemed to work ok! Link to comment Share on other sites More sharing options...
bry940 Posted July 18, 2010 Author Share Posted July 18, 2010 great i thought that might be the max tough Link to comment Share on other sites More sharing options...
bry940 Posted July 19, 2010 Author Share Posted July 19, 2010 would a set of 14x7 with a 50 profile tire be to much? Link to comment Share on other sites More sharing options...
Raider Posted July 19, 2010 Share Posted July 19, 2010 2085 wrote:great i thought that might be the max toughNo, 185/70R13s are absolutely fine on 5j 13 wheels as many competition miles on my TR7 prove (and as per the Michelin technical data book).On a Spitfire think carefully about going lower than 70series profile if you can avoid it due to the varying camber angles in the rear suspension. Link to comment Share on other sites More sharing options...
Clive Posted July 19, 2010 Share Posted July 19, 2010 On a mkiv/1500 you can happily use MGF wheels/tyres. BUT I think they are too low a profile in all honesty, 60's about the lowest, and 70's better really. 175/70 are a popular choice for many reasons, including they are the same diameter as the original tyres.The other option is maestro/montego 14" wheels, cheap IF you can find a set. 185/60r14 then a good choice. Link to comment Share on other sites More sharing options...
bry940 Posted July 19, 2010 Author Share Posted July 19, 2010 I do like the idea of mgf minilite type alloys, but are they to big at 15". I havent seen these fitted before and im sure arch mods are needed. anyone know Link to comment Share on other sites More sharing options...
Clive Posted July 19, 2010 Share Posted July 19, 2010 Yep, no mods needed. I ran them on my car for a while.Lots of spits have them fitted, but in reality the 185/55 tyres up front are ok, the rears are 205/50 (or is it 45?) so getting a bit thin. Not such a problem on a rotoflex car though. Link to comment Share on other sites More sharing options...
Richard B Posted July 20, 2010 Share Posted July 20, 2010 2085 wrote:I do like the idea of mgf minilite type alloys, but are they to big at 15". I havent seen these fitted before and im sure arch mods are needed. anyone knowAre they the same PCD as a Spitfire? Link to comment Share on other sites More sharing options...
Clive Posted July 20, 2010 Share Posted July 20, 2010 Oh yes! Link to comment Share on other sites More sharing options...
JohnD Posted July 20, 2010 Share Posted July 20, 2010 It's the other way around.Your wheels should be as wide as the tread on the tyres you want to use.If you fit tyres with a wider tread, then the tyre will be more unstable on the wheel than it should.Imagine a car tyre, fitted to a bicycle wheel to get the idea - the tread will wobble fron side to side.So 5J isn't really wide enough for even a 185 tread, but it'll do.205 is ridiculous.John Link to comment Share on other sites More sharing options...
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