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I had already machined the front drum feed hole in the pump support...

Are you guys talking about the feed passage between the rings on the pump support (reaction support)? This applies/holds the front clutch pack.

I have seen a couple methods, including Griner's milling the space between the rings flat all the way down to the feed hole. This pic shows it simply "V" shaped to improve flow (during the engagement).




Yes, I'm pretty sure they are. I had to use steel sealing rings and shim it up TIGHT (end play and clutches)and modify the drum for 7 clutches to keep high gear in more than one pass. Again this is around 1100 rwhp 3300lbs. I am going to turn it up somemore when I get it back out.

One day I will have something cool here.