[VWNate1]

Well ;

You're making progress here .

The auxiliary fan mounting kits are sold by NAPA and others, should be easy to find one if you still need it .

The by-pass holes are a good idea, I don't always drill them because in theory a cooling system in good shape shouldn't need them .

You've not yet mentioned overheating and plumes of steam so I'm thinking you just don't like it to run near boiling point .

RTV is bad stuff in a cooling system ~ I hope you simply wiped on a thin coating on each side of the gasket with your finger .

Those blobs that moosh out also moosh in and get caught in the radiator's tubes and cause cold spots in the radiator and also poor engine cooling .