03honakerss Posted December 24, 2011 Report Share Posted December 24, 2011 I am getting a tune from wheatley and need to know the factory gear ratio for it. Is is a 4.10? Quote Link to comment Share on other sites More sharing options...
2001silverado364 Posted December 24, 2011 Report Share Posted December 24, 2011 (edited) yes. all 03-04 awd. Edited December 24, 2011 by Mr. 3/4 ton SS (see edit history) Quote Link to comment Share on other sites More sharing options...
03honakerss Posted December 24, 2011 Author Report Share Posted December 24, 2011 10 4 i thought thats what it was just wasnt positive. Thanks alot Quote Link to comment Share on other sites More sharing options...
gmJake Posted December 24, 2011 Report Share Posted December 24, 2011 Question Is the final drive gear ratio in the 4l65e different then other transmissions? I turn 2,300 rpm at 70 mph. I thought it would be higher then that. Quote Link to comment Share on other sites More sharing options...
2001silverado364 Posted December 24, 2011 Report Share Posted December 24, 2011 (edited) Final drive on the 4l65 is roughly the same as the final drive on the 4l80. However some of the gears are different, most notably, first. 2300 at 70 with 4.10 gears is spot on. Now if you're talking gm 6 speeds, yes their final drive is a little higher of a gear. Edited December 24, 2011 by Mr. 3/4 ton SS (see edit history) Quote Link to comment Share on other sites More sharing options...
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