ya well i called a few local machine shops cause its gunnna take a while to the these heads in so i asked them what it would cost to get my stockers worked and to open them up it would cost me 400 and it can be done in a day or two but should i open up my valves to 1.94 1.60 on those heads or what cause like i have said b4 in my other posts this is my Daily driver and basically i just want this thing to breathe and actually go when i step on it