Dat73z Posted June 6, 2021 Share Posted June 6, 2021 Hi all, I recall reading years back that the AZC pan can have oil drainback issues if you're moving a lot of oil, and the fix would be drilling some holes in the tray. I currently have my AZC pan taken apart for another engine and figured this would be a good time to perform this modification. Does anyone know where these holes should be drilled, how many, and size? I was thinking something like the attached where the red dots are (excuse the mess) Quote Link to comment Share on other sites More sharing options...
zbloke Posted June 6, 2021 Share Posted June 6, 2021 There is some information you should find helpful in this thread:- Quote Link to comment Share on other sites More sharing options...
Dat73z Posted June 7, 2021 Author Share Posted June 7, 2021 Thanks zbloke! Quote Link to comment Share on other sites More sharing options...
Dat73z Posted June 7, 2021 Author Share Posted June 7, 2021 (edited) Images in the thread above didn't work for me but what was discussed made sense. For reference I ended up drilling 4x 3/4" holes on the windage (passenger) side of the tray. Edited June 7, 2021 by Dat73z Quote Link to comment Share on other sites More sharing options...
Nelsonian Posted June 7, 2021 Share Posted June 7, 2021 (edited) Reread and deleted my initial response. Looks good with what you have done. Edited June 7, 2021 by Nelsonian Quote Link to comment Share on other sites More sharing options...
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