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Project Addicted
Join Date: Jul 2012
Location: Eastern Shore. MD
Posts: 919
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You don't say what fluid you are using in the box, as that can have a significant impact on it's operation. SWEPCO and a few others are recommended for best performance. How is the shifter coupling?? A rebuild there might help some too.
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Jon
1966 912
1976 911 3.4 Backdate Project
1986 944
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