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GTP mikes car has a double roller IIRC. put 130s on it.
otherwise 90s and stock Timing chain ftw.
I have some used 105# layin around if you want them. If you have stock heads, I was told the 105's were pretty nice for the cam. That is what I ran until I upgraded rockers and heads. I am no pro on the spring issue though, just my 2 cents