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need help to identify the rear differential

943 Views 3 Replies 3 Participants Last post by  Sleepertsi, 
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I just bought an 03 gt convertible that 's had a ton of work done to it and when I went to change the rear diff fluid there isn't a tag to say what gears it has in it. The only tag on it says it requires 75 40w full synthetic fluid only. So how can I tell what gears it has or if it's a different rear diff?
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JonR2006
^ this...or go to website below and it has a gear calculator based on tranny, gear, crusing RPM, speed...Good luck!

PaladinMicro#
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