Dodger Posted April 17, 2014 Share Posted April 17, 2014 I have heard that the transmissions for the Z car do have ID number and I have also heard they do not. Can anyone tell me which is true and if they do have ID codes what they are? I have a 260 with an L28 and a 4 speed. So right now there is no telling which 4 speed it is. I found this chart which shows ratios of the trans so I am hoping I have the 260 trans in it right now. Tanks for any help. Quote Link to comment Share on other sites More sharing options...
osirus9 Posted April 23, 2014 Share Posted April 23, 2014 http://www.zhome.com/ZCMnL/tech/GearRatios.html http://www.csgnetwork.com/multirpmcalc.html You should be able to calculate which you have with these two sites. Hope that helps! Quote Link to comment Share on other sites More sharing options...
Dodger Posted April 27, 2014 Author Share Posted April 27, 2014 Hey that second site is really helpful. Thanks for the reply. Quote Link to comment Share on other sites More sharing options...
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