Hi everyone, I think you may be able to help me, I just installed a new Cam in my 305 camaro. The cam is a 214/224 duration camshaft in which the intructions said to have it set at 4 degrees. My neighbor set my cam at 8 degrees instead and I wanna make sure that it is better for performance or even gas mileage. Im hoping it wont start any problems, just recently my carb started backfiring, even after i adjusted it. Any help is appreciated, thank you everyone in advance. http://www.nastyz28.com/ubb/smile.gif