You need to hire a steam cleaner and clean the front of that engine

(and engine bay) ... otherwise you are sacrificing your nice new belt. Oil and rubber timing belts do not like each other and while I understand this is a budget race car and maybe not the final engine ... well I'd turn the car away if I was the scrutineer due to oil leaks.
Race cars should start the day spotless. It's important for safety/performance so you can easily see things leaking or going wrong.
Best
Pete
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ps: Remember it's all just opinions

'71 1750 Series 2 GTV: http://www.alfabb.com/bb/forums/showthread.php?p=208078