Stuart Wilson Posted December 29, 2022 Share Posted December 29, 2022 I've got a 2nd hand axle for my TR7 after one fitted died big time. The fresh one feels very good. I've removed the rear cover and found part number on the crown wheel, but I can't find reference to that number on any parts list. Doing a basic turn pinion and count rotation of the hub it looks to be about 4:1 so I'm guessing it's 3.9:1 But mystery continues...... Part number stamped on crown wheel is TKC0901 - DDD Scribed next to it is 4 13 Any suggestions to what I actually have. I'm going to try and count teeth on both pinion and crown wheel Quote Link to comment Share on other sites More sharing options...
Stuart Wilson Posted December 29, 2022 Author Share Posted December 29, 2022 Well I've counted the teeth and it's a 3.9:1 I'm guessing the part numbers listed are for crown wheel AND pinion set. Quote Link to comment Share on other sites More sharing options...
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