Budget isn't really a set number, not to say it like this but money isn't an object here. Just looking to spice the 305 up without going head first into a full on engine build. The only reason im not going out and doing a swap is the truck holds great sentimental value to me and my family and I don't wanna take away from that. As well the motor already has short tube headers and a volant power core intake on it.OP should state his budget. We don't know what it is. I think the cam is a good start, since the stock cam is so small; it's low hanging fruit....especially if the OP is going to change it himself.