James G. Posted October 9, 2010 Share Posted October 9, 2010 I have a 1972 Monte Carlo (with the original 454) that I just picked up this summer. It has a Muncie 4-speed tranny in it, and I was wondering what type of fluid I should use in it, how much should I add, and how do you know when it is full? Thanks for the help in advance. Quote Link to comment Share on other sites More sharing options...
Mike 57 Posted October 9, 2010 Share Posted October 9, 2010 There should be a fill plug on the passenger side of the case. Use gear oil to fill the case to the bottom of the fill hole. Quote Link to comment Share on other sites More sharing options...
James G. Posted October 9, 2010 Author Share Posted October 9, 2010 Thanks Mike, I thought it was gear oil but wanted to make sure. You guys always have the answers, thanks again! Quote Link to comment Share on other sites More sharing options...
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