rotoflex Posted June 18, 2012 Share Posted June 18, 2012 Does anyone have experience with 185/70 R13 tires on 5J wheels?In this thread, callspoy said he is running 185/70 R13s on the rear on 5.5Js:http://club.triumph.org.uk/cgi-bin/forum10/Blah.pl?m-1315255410/#num75.5J's apparently don't exist over here, but in that same thread MarkB posts his correspondence with Bridgestone which showed that the 175/70 R13 could be fitted to a surprising range of wheels:http://club.triumph.org.uk/cgi-bin/forum10/Blah.pl?m-1315255410/#num5Quote:ETRTO Standards state that a 175/70R13 can be fitted to rims of the following dimensions:4.50B4 ½ J5.00B (optimal recommendation)5J (optimal recommendation)5.50B5 ½ J6.00B6JSo all of these would be approved under ETRTO legislative standards.Kind regardsBSUK TechnicalWhich gives me a glimmer of hope that 185's may be acceptable for 5J's. I'm also curious if 185/70 R13 tires on the front would require modifying the fenders for clearance. Link to comment Share on other sites More sharing options...
CHRIS211083 Posted June 18, 2012 Share Posted June 18, 2012 Hi I have 185/60/13 on 5.5j wheels and love them and no mods needed. Chris. Link to comment Share on other sites More sharing options...
Bainzy Posted June 19, 2012 Share Posted June 19, 2012 Ive had 175/70/13s on 4.5J wheels for years with no issues. Would still like to put wider Steels on, just need to find a set I can refurb for a keen price. Link to comment Share on other sites More sharing options...
piman Posted June 19, 2012 Share Posted June 19, 2012 Hello Bill, I have 185/70 x 13" on 5J wheels, and have done so for years. No issues, but the reason I fitted them was I couldn't get 175/70section when I wanted them. The difference is only about 3/8" in real measurement.Alec Link to comment Share on other sites More sharing options...
uksnatcher Posted June 19, 2012 Share Posted June 19, 2012 Bill, heres a good wheel/tyre calculator if you know the offset (ET) of the wheels , i have put the offset at 16mm for the 5.5 for example ...have a play with it ;)http://www.willtheyfit.com/index.php?width=175&aspect=70&diameter=13&wheelwidth=5.5&offset=16&width2=185&aspect2=70&diameter2=13&wheelwidth2=5.5&offset2=16&Submit=Submit Link to comment Share on other sites More sharing options...
WIMPUS Posted June 19, 2012 Share Posted June 19, 2012 1381 wrote:Ive had 175/70/13s on 4.5J wheels for years with no issues. Would still like to put wider Steels on, just need to find a set I can refurb for a keen price.When I bought my car I found out there was also 175 on my 4,5j wheels :pJust the spare is 155.. Link to comment Share on other sites More sharing options...
rotoflex Posted June 19, 2012 Author Share Posted June 19, 2012 piman: Thank you for the resolution of the wheel issue, that's half or more of my problem solved. The only variable left seems to be whether the 185/70's would foul the Spitfire/GT6 squaretail front arches (rears will likely be fine). So if there's no direct confirmation of 185/70 R13's being used successfully on squaretail Spitfire/GT6's, I suppose I could get some & just move them to the rears if they don't work out in front.Thanks everyone else, too, I'm making notes.Bainzy: yours were on the 4.5J oval hole wheels?Chris: yours were on a roundtail Spitfire? Were the wheels the 5.5J silver oval hole wheels? Link to comment Share on other sites More sharing options...
Bainzy Posted June 19, 2012 Share Posted June 19, 2012 rotoflex wrote:Bainzy: yours were on the 4.5J oval hole wheels?Correct. Link to comment Share on other sites More sharing options...
CHRIS211083 Posted June 19, 2012 Share Posted June 19, 2012 Mine were lemans style wheels from jigsaw.Chris. Link to comment Share on other sites More sharing options...
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