Bam 0 Posted March 17, 2008 hi, does anybody know the gearbox ratios from 406 2.0 16v xu10j4r? regards Share this post Link to post Share on other sites
Sandy 189 Posted March 17, 2008 Most likely 3.45, 1.87, 1.28, 0.97, 0.76 and FDR 3.78 or so. There are several boxes fitted to these. Share this post Link to post Share on other sites
Bam 0 Posted March 19, 2008 Most likely 3.45, 1.87, 1.28, 0.97, 0.76 and FDR 3.78 or so. There are several boxes fitted to these. are u sure? if i use the gearboxcalculator from this page.. i've get this results: 1 2 3 4 5 6 E Ratio 3,45 1,87 1,28 0,97 0,76 - 3,78 Speed in mph 37,3 68,7 100,4 132,5 169,2 - Tyre Details Width 195 Aspect ratio 65 Wheel rim (inches) 15 Calc circumference (cm) 199,3599 Maximum Torque Maximum Revs 6500 its to much, isn't it? Share this post Link to post Share on other sites
welshpug 1,627 Posted March 19, 2008 should be 55 profile not 65. Share this post Link to post Share on other sites
Bam 0 Posted March 19, 2008 should be 55 profile not 65. the 406 2.0 16v hast 195/65 H91 tyres. Share this post Link to post Share on other sites
welshpug 1,627 Posted March 19, 2008 whoops! I missed that totally sorry. going on sandy's ratio's I got the same speeds @ Redline as you did (41 68 100 132 168) Share this post Link to post Share on other sites
petert 555 Posted March 20, 2008 The Xantia has 185/65/15 tyres with the ratios as Sandy provided. Share this post Link to post Share on other sites
Sandy 189 Posted March 20, 2008 I've just checked the official data and the 406 XU10J4R had mostly 4.16:1 FDR, but some were 4.54:1. The gear ratios are likely to be what I said before. Share this post Link to post Share on other sites
Bam 0 Posted March 20, 2008 > 4.16:1 FDR, but some were 4.54:1. The gear ratios are likely to be what I said before. ok, that sounds much better. now: calculation =~ speedo thx Share this post Link to post Share on other sites
welshpug 1,627 Posted March 20, 2008 4.16 FD gives 37 56 82 109 139 @ 6500 rpm 4.54 FD gives 37 52 75 100 127 @6500 rpm (on aforementioned gear ratios) Share this post Link to post Share on other sites
Bam 0 Posted March 20, 2008 (edited) 4.16 FD gives 37 56 82 109 139 @ 6500 rpm r u sure? Width 195 Aspect ratio 65 Wheel rim (inches) 15 Calc circumference (cm) 199,3599 Maximum Torque Maximum Revs 6500 1 2 3 4 5 6 E Ratio 3,45 1,87 1,28 0,97 0,76 - 4,16 Speed in mph 33,9 62,5 91,3 120,4 153,7 and that is, was the speedo shows Edited March 20, 2008 by Bam Share this post Link to post Share on other sites
welshpug 1,627 Posted March 20, 2008 I think there must be an error somewhere in the table I used Share this post Link to post Share on other sites
Anulfo 22 Posted May 16, 2008 Sorry to hijack topic but need opinions on my box as im thinking of altering it 1st 2.92, 2nd 1.85, 3rd 1.36, 4th 1.068, 5th 0.968 FD 3.947 giving top speeds of; 38,60,82,104,115 @6500rpm and with 195/55 tyres on 15 inch wheels. Do have a bog standard 1.6 box...was wondering whether to whack that in and give it a whirl????? Any thoughts from the gearbox experts?? Share this post Link to post Share on other sites
