Oil leak from between head and block

bremereric said

I am going to say yes to retorque...and what kind of intake gaskets are you using..I run ultra black silicone front and back and along the bottom edges of the intake gasket where it meets the lifter valley before I put the valley pan on..I have heard to spray those steel shim gaskets with copper spray...M2C

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Thanks BE
I´m using this intake gasket http://www.summitracing.com/parts/FEL-MS96007/
a Fel-Pro gasket from our local speedshop. Only using the rtv sealent where the block meets the heads. This is the first time I did not use the rtv sealer on every area on the intake gasket.
A stupid question, should I allow the copper spray to dry for some time before mounting the heads?
When I come to think about it, it seems that the leakage got worse when I switched oil from 20-50 oil to Royal Purple 10-40 oil