[cubs-n-bxrs]

I just nicely got this 1711 hydro put together that I acquired from Donovan in a trade. The hydro acts a little wierd and am looking for opinions. When you take off it's nice and smooth then it is like it hits passing gear and speeds up. Tunnel cover is off all linkages are in good shape and the trunion is in real nice shape so I have ruled out them possibilities. The trans was cleaned out and new fluid and filter. I myself am leaning toward a sticky relief valve. Whats everyones thoughts on the situation? I have 6 different hydros and never had one act like that.