Thanks from both you Richard and Johnny for your input. My cam(not really very aggressive) 218/224 dur. .050 lift .462-.469 110 degree lobe, I used what comp said as far as valve springs. I was going to use my stock since I had only 2,000 miles on them with a stock cam that was in my 305. I broke it in with the correct lubricant and haven't had any problem with it with about 2,000 miles on it. For a fairly mild cam it really has a noticable idle to it. I have been using 10w-30w oil and at 70 I have a good oil pressure of 45lbs. but I've noticed that using that light of oil when it's ideling and warmed up my pressure is only around 8 so I'll start using a heavier oil.