tci 904 or built 727

That's more good info that I am glad to get. I appreciate the time you take to post this stuff; not many places to get this kind of information.

My friend, Len, says that main line pressure should be just enough to ensure slip-free shifts; any more than that will cost you e.t., if it's a race car application.

I know most guys like hearing the tires chirp on a 1-2 shift, but I wonder if they'd still see it as a good thing if they knew what it was costing them at the finish line?

Food for thought...