Help troubleshoot 904? Slipping at higher RPMs

Jay, It isn't a problem. Contact me anytime. Having the throttle pressure linkage hooked up wont cause that problem. That lever doesn't operate anything in the manual valvebody. To me you buying it from him is the same as me building it for you. If it's a problem I did? I want and have to make it right. I have been building and racing 904s for years and only got into doing them for other people when i knew i could build them to hold up to drag racing. If i build one for anyone I want it to be right.

On a different note, I'm like you on the guy who built your conveter. I dont know him? But I would rather open the 904 to see if it was something i messed up on? Than pointing at his converter. If you had said it was a boss hog or ger converter or other cheap brand converter i would really wondering about it being the problem? I had to go through a buddys 904 that live in Athens Ga 3 times cause he kept getting his boss hog converter replaced. You would be surprised how much trash a cheap converter can put into a transmission. If you don't figure anything out? Just give me a shout.