i tried the wd-40 thing..just i sprayed it onto a rag and wipped stuff down. I was kinda weiry about spraying wd40 on the actual block its self just because the thought of spraying flamable onto like an exhaust manifold or something..not so much.
Anyways,
Before:
After:
I did end up wipping down the valvecover/plug cover with it but very carefully. Turned out great.
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